Multiquip Mixer MC94P User Manual
OPERATION AND PARTS MANUAL  
MODELS  
MC94S  
MC94P  
CONCRETE MIXERS  
Revision #8 (03/06/09)  
To find the latest revision of this  
publication, visit our website at:  
www.multiquip.com  
THIS MANUAL MUST ACCOMPANYTHE EQUIPMENT AT ALLTIMES.  
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NOTES  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 3  
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MC94P/S CONCRETE MIXER — TABLE OF CONTENTS  
MQ Multiquip MC94P/S  
Concrete Mixers  
HONDA GX240K1QA2 ENGINE  
Air Cleaner Assembly......................................... 50-51  
Camshaft Assembly ........................................... 52-53  
Carburetor Assembly ......................................... 54-55  
Control Assembly ............................................... 56-57  
Crankcase Cover Assembly............................... 58-59  
Crankshaft Assembly ......................................... 60-61  
Cylinder Barrel Assembly................................... 62-63  
Cylinder Head Assembly .................................... 64-65  
Fan Cover Assembly .......................................... 66-67  
Flywheel Assembly ............................................ 68-69  
Muffler Assembly ............................................... 70-71  
Fuel Tank Assembly ........................................... 72-73  
Ignition Coil ........................................................ 74-75  
Piston Assembly................................................. 76-77  
Recoil Starter ..................................................... 78-79  
Label Assembly.................................................. 80-81  
Proposition 65 Warning ............................................. 2  
Table Of Contents ..................................................... 4  
Parts Ordering Procedures ....................................... 5  
Specifications ............................................................ 6  
Dimensions (Mixer) ................................................... 7  
Safety Message Alert Symbols ................................. 8  
Rules For Safe Operation .................................... 9-10  
Operation and Safety Decals .................................. 11  
General Information ................................................ 12  
Mixer Basic Components ........................................ 13  
Basic Engine Components...................................... 14  
Handwheel Assembly.............................................. 15  
Towing Guidelines ................................................... 16  
Safety Chain Connection ........................................ 17  
Electric Motor ..................................................... 18-19  
Pre-Inspection (Gasoline Engine) ........................... 20  
Initial Start-up (Gasoline Engine)............................ 21  
Initial Start-up (Electric Motor) ................................ 22  
Operation ................................................................ 23  
Maintenance (Engine)........................................ 24-25  
Maintenance (Mixer) .......................................... 26-28  
Troubleshooting (Engine)........................................ 30  
Troubleshooting (Engine/Mixer) .............................. 31  
Explanation Of Code In Remarks Column .............. 32  
Suggested Spare Parts ........................................... 33  
Terms and Conditions of Sale ................................. 82  
Componet Drawings  
Nameplate and Decals....................................... 34-35  
Mixer Assembly (Steel Drum) ............................ 36-37  
Mixer Assembly (Plastic Drum) .......................... 38-39  
Main Frame Assembly ....................................... 40-41  
Axle Assembly .................................................... 42-43  
Cabinet Assembly .............................................. 44-45  
Gas Engine Mounting Plate Asasembly............. 46-47  
Electric Motor Mounting Plate Asasembly ......... 48-49  
Specification and part number  
are subject to change without  
notice.  
PAGE 4 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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PARTS ORDERING PROCEDURES  
Ordering parts has never been easier!  
Choose from three easy options:  
Effective:  
January 1st, 2006  
Best Deal!  
Order via Internet (Dealers Only)  
Order parts on-line using Multiquip’s SmartEquip website!  
:
If you have an MQ Account, to obtain a Username  
and Password, E-mail us at: parts@multiquip.  
com.  
N View Parts Diagrams  
N Order Parts  
N Print Specification Information  
To obtain an MQ Account, contact your  
District Sales Manager for more information.  
Use the internet and qualify for a 5% Discount  
on Standard orders for all orders which include  
complete part numbers.*  
Goto www.multiquip.com and click on  
to log in and save!  
Order Parts  
Note: Discounts Are Subject To Change  
Fax your order in and qualify for a 2% Discount  
on Standard orders for all orders which include  
complete part numbers.*  
Order via Fax (Dealers Only)  
:
All customers are welcome to order parts via Fax.  
Domestic (US) Customers dial:  
1-800-6-PARTS-7 (800-672-7877)  
Note: Discounts Are Subject To Change  
Domestic (US) Dealers Call:  
Order via Phone:  
1-800-427-1244  
Non-Dealer Customers:  
International Customers should contact  
their local Multiquip Representatives for  
Parts Ordering information.  
Contact your local Multiquip Dealer for  
parts or call 800-427-1244 for help in  
locating a dealer near you.  
When ordering parts, please supply:  
R
Dealer Account Number  
R
Specify Preferred Method of Shipment:  
R
R
R
R
R
Dealer Name and Address  
ꢀ UPS/Fed Ex  
ꢀ DHL  
ꢀ Truck  
N
N
Priority One  
Ground  
Shipping Address (if different than billing address)  
Return Fax Number  
N Next Day  
Second/Third Day  
Applicable Model Number  
N
Quantity, Part Number and Description of Each Part  
NOTICE  
All orders are treated as Standard Orders and will  
ship the same day if received prior to 3PM PST.  
WE ACCEPT ALL MAJOR CREDIT CARDS!  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 5  
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MC94P/S CONCRETE MIXER — SPECIFICATIONS  
Table 1. Specifications (Engines/Electric Motor)  
Model  
HONDA GX240K1QA2  
Baldor 35LYL229  
Air-cooled 4 stroke, Single Cylinder,  
OHV, Horizontal Shaft Gasoline Engine  
1.5 HP, Single-phase 115/230  
VAC, Electric Motor  
Type  
2.90 in. X 2.30 in.  
(73 mm x 58 mm)  
Bore X Stroke  
N/A  
Displacement  
Max Output  
14.81 cc  
N/A  
8.0 H.P./3600 R.P.M.  
1.5 HP/1725 R.P.M.  
Engine/Electric  
Motor  
Approx. 1.59 U.S. Gallons  
(6 Liters)  
Fuel Tank Capacity  
N/A  
Fuel  
Unleaded Gasoline  
2-1/3 pints  
N/A  
N/A  
Lube Oil Capacity  
Speed Control  
Method  
Centrifugal Fly-weight Type  
N/A  
Starting Method  
Input Voltage  
Recoil Start  
N/A  
Electric  
115/230 VAC Single Phase  
Dimension  
(L x W x H)  
14.0 x 16.9 X 16.1 in.  
(355 X 430 X 410 mm)  
15.55 x 8.65 X 9.06 in.  
(395 X 220 X 230 mm)  
Dry Net Weight  
55.1 lbs (25 Kg.)  
Approx. 12 lbs (5.4 kg.)  
Table 2. MC-94P/S Mixer Specifications  
Height  
Width  
63 in. (1,600 mm)  
51 in. (1,295 mm)  
86 in. (2,185 mm)  
Length  
Maximum Drum Capacity  
Maximum Mixing Capacity  
Bag Capacity  
12.35 cu. ft. (350 liters)  
9.0 cu. ft. (255 liters)  
(1 ~ 1.5 bags)  
Weight - Without Engine/ElectricMotor  
755 lbs. (342 Kg.)  
PAGE 6 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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MC94P/S CONCRETE MIXER — DIMENSIONS (MIXER)  
See Table 2 for mixer dimensions  
Figure 1. Mixer Dimensions  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 7  
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MC94P/S CONCRETE MIXER — SAFETY MESSAGE ALERT SYMBOLS  
FORYOUR SAFETY ANDTHE SAFETY OF OTHERS!  
HAZARD SYMBOLS  
Safety precautions should be followed at all times when  
operating this equipment. Failure to read and understand the  
Safety Messages and Operating Instructions could result in  
injury to yourself and others.  
Rotating Parts  
This Owner's Manual has been  
developed to provide complete  
instructions for the safe and efficient  
operation of the Multiquip Model  
MC94P (Plastic) and MC94S  
(Steel) Concrete Mixers.  
NEVER operate equipment with covers, or  
guards removed. Keep fingers, hands, hair and  
clothing away from all moving parts to prevent  
injury.  
Before using these mixers,  
ensure that the operating  
individual has read and  
understands all instructions in  
this manual.  
Accidental Starting  
ALWAYS place the circuit breaker or power  
ON/OFF switch in the OFF position when the  
pump is not in use.  
SAFETY MESSAGE ALERT SYMBOLS  
Sight and Hearing hazard  
The three (3) Safety Messages shown below will inform you  
about potential hazards that could injure you or others. The  
Safety Messages specifically address the level of exposure to  
the operator, and are preceded by one of three words: DANGER,  
WARNING, or CAUTION.  
ALWAYS wear approved eye and hearing  
protection.  
DANGER: You WILL be KILLED or  
SERIOUSLY injured if you do not follow  
directions.  
Respiratory Hazard  
ALWAYS wear approved respiratory  
protection.  
WARNING: You CAN be KILLED or  
SERIOUSLY injured if you do not follow  
directions.  
Equipment Damage Messages  
CAUTION: You CAN be injured if you  
Other important messages are provided throughout this manual  
to help prevent damage to your mixer, other property, or the  
surrounding environment.  
do not follow directions.  
Potential hazards associated with the Multiquip MC94P/S  
concrete mixers operation will be referenced with Hazard  
Symbols which appear throughout this manual, and will be  
referenced in conjunction with Safety Message Alert Symbols.  
This mixer, other property, or the  
surrounding environment could  
be damaged if you do not follow  
instructions.  
PAGE 8 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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MC94P/S CONCRETE MIXER — RULES FOR SAFE OPERATION  
■
NEVER touchthehotexhaustmanifold,  
muffler or cylinder.Allow these parts to  
cool before servicing engine or mixer.  
DANGER:  
Failure to follow instructions in this manual may  
lead to serious injury or even death! This  
equipment is to be operated by trained and  
qualified personnel only!This equipment is for  
industrial use only.  
The following safety guidelines should always be used when  
operating the Multiquip MC94P/S Concrete Mixers:  
■
■
HighTemperatures – Allow the engine to cool before adding  
fuel or performing service and maintenance functions. Contact  
with hot components can cause serious burns.  
GENERAL SAFETY  
■
DO NOT operate or service this equipment before  
readingthisentiremanual.  
The engine of this mixer requires an adequate free flow of  
cooling air. NEVER! operate the mixer in any enclosed or  
narrow area where free flow of the air is restricted. If the air  
flow is restricted it will cause  
■
■
This equipment should not be operated by  
persons under 18 years of age.  
NEVER operate this equipment without proper  
protective clothing, shatterproof glasses, steel-  
toed boots and other protective devices required  
by the job.  
serious damage to the mixer  
or engine and may cause  
injury to people and property.  
Rememberthe mixer's engine  
(gasoline models only) gives  
off DEADLY gases.  
■
■
NEVER operate this equipment when not feeling  
well due to fatigue, illness or taking medicine.  
■
■
ALWAYS refuel in a well-ventilated area, away from sparks  
NEVER operate this equipment under the  
influence or drugs or alcohol.  
and open flames.  
ALWAYS use extreme caution when working with flammable  
liquids. When refueling, stop the engine and allow it to cool.  
DO NOT smoke around or near the machine. Fire or explosion  
could result from fuel vapors, or if fuel is spilled on a hot  
engine.  
■
■
■
Whenever necessary, replace nameplate, operation and  
safety decals when they become difficult read.  
■
NEVER operate the mixer in an explosive  
atmosphere or near combustible  
materials. An explosion or fire could result  
causing severe bodily harm or even  
death.  
ALWAYS check the machine for loosened threads or bolts  
before starting.  
ALWAYS wear proper respiratory (mask) hearing and eye  
protection equipment when operating the mixer.  
■
■
Topping-off to filler port is dangerous, as it tends to spill fuel.  
Refer to the Engine Owner's Manual for engine technical  
questions or information.  
■
■
NEVER use accessories or attachments, which are not  
recommended by Multiquip for this equipment. Damage to  
the equipment and/or injury to user may result.  
■
NEVER! place hands inside the drum while the drum is  
rotating.  
Manufacturer does not assume responsibility for any accident  
due to equipment modifications.  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 9  
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MC94P/S CONCRETE MIXER — RULES FOR SAFE OPERATION  
■
■
■
■
NEVER run engine without air cleaner.Severe engine damage  
■
NEVER disconnect any "emergency or safety devices".  
These devices are intended for operator safety. Disconnection  
of these devices can cause severe injury, bodily harm or even  
death! Disconnection of any of these devices will void all  
warranties.  
may occur.  
ALWAYS read, understand, and follow procedures in  
Operator’s Manual before attempting to operate equipment.  
ALWAYS be sure the operator is familiar with proper safety  
precautions and operations techniques before using roller.  
■
■
If mixer is equipped with an electric motor, operate electric  
motor only at the specified voltage indicated on the nameplate.  
ALWAYS store equipment properly when it is not being used.  
Equipment should be stored in a clean, dry location out of the  
reach of children.  
Make sure the OFF/ON power switch on the electric motor is  
always in the OFF position before inserting the mixer's power  
plug into an AC receptacle (electric model only).  
■
■
■
■
NEVER leave the mixer unattended, turn off engine or electric  
motor when unattended.  
Maintenance Safety  
■
NEVER lubricate components or attempt service on a running  
machine.  
CAUTION must always be observed while servicing this mixer.  
Rotating parts can cause injury if contacted.  
■
ALWAYS allow the machine a proper amount of time to cool  
before servicing.  
Unauthorized equipment modifications will void all  
warranties.  
■
■
Keep the machinery in proper running condition.  
Ensure that any extension cable is protected against damage  
and not liable to be tripped over or trapped underneath the  
mixer.  
Fix damage to the machine immediately and always replace  
broken parts, or missing decals.  
■
DO NOT allow extension cord to come into contact with water  
■
■
■
Dispose of hazardous waste properly.Examples of potentially  
hazardous waste are used motor oil, fuel and fuel filters.  
or fluids.  
■
■
DO NOT spray water onto electric motor.  
DO NOT use food or plastic containers to dispose of  
hazardous waste.  
This mixer is intended for the production of concrete. Mixer  
must be used only for its intended purpose.  
DO NOT pour waste, oil or fuel directly onto the ground,  
down a drain or into any water source.  
■
This mixer is not suitable for the mixing of flammable or  
explosive substances.  
Emergencies  
■
■
NEVER operate the mixer in an explosive atmosphere.  
■
ALWAYS know the location of the nearest fire extinguisher  
and first aid kit.  
Before starting the mixer, check that all guards are in position  
and correctly fitted.  
■
Keep area around the mixer clear of obstructions which  
could cause persons to fall onto moving parts.  
■
■
ALWAYS ensure mixer is on level ground before mixing.  
Become familiar with the controls of the mixer before  
operating.  
■
In emergencies always know the location of the  
nearest phone or keep a phone on the job site.  
Also know the phone numbers of the nearest  
ambulance, doctor and fire department. This  
information will be invaluable in the case of an  
emergency.  
■
■
ALWAYS replace any worn or damaged warning decals.  
Ensure the drum is rotating while filling and emptying the  
drum.  
■
■
ALWAYS disconnect AC power plug from power source  
before moving mixer (electric model only).  
High Temperatures – Always stop engine and allow the  
engine to cool before adding fuel, oil or performing service  
and maintenance functions. Contact with hot components  
can cause serious burns.  
PAGE 10 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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MC94P/S CONCRETE MIXER — OPERATION AND SAFETY DECALS  
Machine Safety Decals  
The Multiquip MC94P/S mixers are equipped with a number of safety decals (Figure 1A).These decals are provided for operator  
safety and maintenance information. The illustration below and on the next page shows these decals as they appear on the  
machine.Should any of these decals become unreadable, replacements can be obtained from your dealer.  
Figure 1A. MC94P/S Mixer Decals  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 11  
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MC94P/S CONCRETE MIXER — GENERAL INFORMATION  
Ensure that the extension cable is carefully laid out avoid-  
Application  
ing wet areas, sharp edges and locations where vehicles  
might run over it. Avoid allowing the extension cable to be  
trapped underneath the mixer.  
This mixer is only intended for the production of concrete.  
The mixer must be used for its intended purpose and is not  
suitable for the mixing of flammable or explosive  
substances. The mixer must not be used in an explosive  
atmosphere. Use Table 4 (Mixing Hints) as a guide when  
mixing concrete for various applications.  
Unroll the extension cable fully or it will overheat and could  
catch fire. Make sure that all extension cable connections  
are dry and safe. Replace any defective or badly worn ex-  
tension cable immediately.  
Power Plants  
The Multiquip MC94P and MC94S mixers can be powered  
by either a 8.0 HP, air-cooled, 4-stroke gasoline engine or an  
1.5 HP electric motor. Refer to Table 2 to for specific engine  
or electric motor data information.  
Hardware  
Check all hardware on the mixer before starting. Periodically  
inspect all hardware. Loose hardware can contribute to early  
component failure and poor performance. UseTable 3 as general  
guideline when the torqueing of mixer hardware is required.  
Remember to keep all mixer hardware components tight.  
Electrical  
If mixer is equipped with an electric motor, make sure that  
the power being supplied to the motor corresponds to the  
voltage rating label on the motor.Supplying the wrong voltage  
to the electric motor will cause severe electrical damage to  
the motor.  
Table 3. Hardware Torque  
Recommendations  
Hardware  
Torque (ft-lbs)  
Diameter  
Always make sure the OFF/ON switch on the electric motor  
is in the OFF position before applying power.  
5/16-inch x 18  
3/8-inch x 16  
14  
24  
It is strongly recommended when inserting the mixer's  
power cord into a receptacle, that a G.F.C.I. (Ground Fault  
Current Interrupter) receptacle be used (115 VAC  
applications).  
3/8-inch x 24  
1/2-inch x 13  
37  
39  
90  
1/2-inch x 13  
(Grade 8)  
Extension Cables  
The extension cable should be a 3-wire configuration that  
includes a ground wire that conforms to UL code. The wire  
cross section must be a minimum of 2.5 mm2 . Choose an  
extension cord of adequate current carrying capacity as ref-  
erenced in Table 5. Remember cable distance affects the  
current-voltage capacity of the extension cable.  
Engine Maintenance  
For basic engine maintenance, refer to the engine maintenance  
section in this manual. For a more detailed engine maintenance,  
refer to the Honda or Robin Engine Owner's manual furnished  
with the engine.  
Table 4. MIXING HINTS  
BATCH QUANTITIES  
SAND  
APPROX. BATCH  
OUTPUT  
MIX  
RATIOS  
CEMENT 112 lbs.  
(50 Kgs.)  
STONE  
CU. FT.  
APPLICATIONS  
Bag  
CU. FT.  
1-1/4  
LTR  
35  
LTR  
71  
CU. FT.  
3
LTR  
85  
1:2:4  
1:3:6  
1:4:8  
1/2 BAG  
1/3 BAG  
1/4 BAG  
2-1/2  
2-1/2  
2-1/2  
Most Ordinary  
Foundations  
1-1/4  
35  
71  
2-3/4  
2-3/4  
78  
1-1/4  
35  
71  
78  
Rough Mass  
Concrete  
1:1-1/2:3  
2/3 BAG  
1-1/4  
35  
3
71  
3
85  
Watertight Floors,  
Tanks, Pits, Etc.  
PAGE 12 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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MC94P/S CONCRETE MIXER — MIXER BASIC COMPONENTS  
Figure 2. Mixer Major Components  
1.  
2.  
Steel Mixing Drum — The Multiquip MC94S uses a 6 cu.  
9. Tow Bar — This mixer uses various towing bars, please  
reference the frame assembly drawing and parts list in this  
manual to determine which tow bar meets your  
requirements.  
ft steel mixing drum.This drum is to be used for mixing of  
concrete. Always clean the drum after each use. DO NOT  
use this mixing drum for the mixing of volatile liquids.  
Plastic Mixing Drum — The Multiquip MC94P uses a 6  
cu.ft plastic mixing drum.This drum is to be used for mixing  
of concrete. Always clean the drum after each use. DO  
NOT use this mixing drum for the mixing of volatile liquids.  
10. Leaf Suspension — This mixer uses a leaf type  
suspension. Check the mounting hardware for bolt hole  
elongation and tightness. See maintenance section of this  
manual for recommended maintenance.  
3. Mixing Blades (Plastic) — Used for the mixing of concrete.  
Replace blades when they show signs of wear.Reference  
plastic mixing drum in the parts section of this manual.  
11. Chock Blocks — Place these blocks (not included as  
part of the mixer package) under each mixer wheel to  
prevent rolling, when mixer is not connect to the towing  
vehicle.  
4. Dump Latch —To rotate the mixing drum, this latch must  
be in the up position.To lock the drum, place the latch in the  
down position.  
12. Tires Ply — The tire ply (layers) number is rated in letters;  
This mixer uses 13-inch 2-ply tires. Replace with only  
recommended type tires.  
5. Dump Gear Guard — NEVER operate the mixer with this  
guard removed. Its purpose is to prevent dirt and debris  
from entering the dump gear.In addition operator clothing  
could become entangled in the dump gear, causing severe  
injury and bodily harm.  
13. ON/OFF Switch (gasoline only) —This switch is provided  
on mixers with gasoline engines only and is located on  
the side of the mixer frame. When activated it will shut  
down the engine. Pull out when starting the engine.  
14. Cabinet/Latch — Encloses engine and electric motor.  
NEVER run mixer with cabinet removed. Use latches to  
secure engine compartment cabinet.  
6. Handwheel — Turn this wheel clockwise or counter-  
clockwise to rotate the mixing drum. Remember the dump  
latch must be in the up position in order for the mixing  
drum to be rotated.  
15. Mixing Blades (Steel) — Used for the mixing of concrete.  
When blades show signs of wear, entire steel mixing drum  
assembly must be replaced. See steel mixing drum  
assembly in the parts section of this manual.  
7. Zerk Fittings — There is, at the bottom and engine side  
of the yoke, and center of the handwheel grease zerk  
fittings. Lubricate these fittings as referenced in the  
maintenance section of this manual.  
16. Forklift Pockets – When lifting of the mixer is required,  
use these fork lift pockets to lift the mixer. Remember to  
insert the forks of the forklift a minimum of 24 inches into  
the lift pockets.  
8. Safety Chain — This mixer uses a 3/16-inch thick, 72-  
inches long zinc-plated saftey chain.ALWAYS connect the  
safety chain when towing.  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 13  
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MC94P/S CONCRETE MIXER — BASIC ENGINE COMPONENTS  
Honda GX Series Engine Shown  
Figure 3. Engine Controls and Components  
INITIAL SERVICING  
5. FuelValve Lever – OPEN to let fuel flow, CLOSE to stop  
the flow of fuel.  
The engine (Figure 3) must be checked for proper lubrication and  
filled with fuel prior to operation. Refer to the manufacturers Engine  
manual for instructions & details of operation and servicing.  
6. Choke Lever – Used in the starting of a cold engine, or in  
cold weather conditions. The choke enriches the fuel  
mixture.  
7. Air Cleaner – Prevents dirt and other debris from entering  
the fuel system. Remove wing-nut on top of air filter  
cannister to gain access to filter element.  
1. Fuel Filler Cap – Remove this cap to add unleaded  
gasoline to the fuel tank. Make sure cap is tightened  
securely. DO NOT over fill.  
NOTE  
WARNING  
WARNING  
Operating the engine without an air filter,  
with a damaged air filter, or a filter in need of  
replacement will allow dirt to enter the  
engine, causing rapid engine wear.  
Adding fuel to the tank should be accomplished only  
when the engine is stopped and has had an  
opportunity to cool down. In the event of a fuel spill,  
DO NOT attempt to start the engine until the fuel residue has been  
completely wiped up, and the area surrounding the engine is dry.  
8. Spark Plug – Provides spark to the ignition system. Set  
spark plug gap to 0.6 - 0.7 mm (0.028 - 0.031 inch). Clean  
spark plug once a week.  
2. Throttle Lever – Used to adjust engine RPM speed (lever  
advanced forward SLOW, lever back toward operator  
FAST).  
9. Muffler – Used to reduce noise and emissions.  
WARNING  
3. Engine ON/OFF Switch – ON position permits engine  
Engine components can generate extreme heat.  
To prevent burns, DO NOT touch these areas  
while the engine is running or immediately after operating. NEVER  
operate the engine with the muffler removed.  
starting, OFF position stops engine operations.  
4. Recoil Starter (pull rope) – Manual-starting method. Pull  
the starter grip until resistance is felt, then pull briskly and  
smoothly.  
10. Fuel Tank – Holds unleaded gasoline. For additional  
information refer to engine owner's manual.  
PAGE 14 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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MC94P/S CONCRETE MIXER — HANDWHEEL ASSEMBLY  
Assembly  
The MC94P/S concrete mixers are shipped with the  
handwheel detached. Attach the handwheel to the mixer as  
shown in Figure 4.  
Figure 4. Handwheel Assembly  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 15  
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MC94P/S CONCRETE MIXER —TOWING GUIDELINES  
■
■
■
■
Check wheel mounting lug nuts with a torque wrench.  
Torque wheel lug nuts as described in the maintenance  
section of this manual.  
Towing Safety Precautions  
CAUTION:  
Check tightness of U-clamp nuts, torque suspension  
hardware as referenced in the maintenance section of this  
manual.  
■
Check with your county or state safety  
towing regulations department before  
towing your mixer.  
Avoid sudden stops and starts.This can cause skidding, or  
jackknifing. Smooth, gradual starts and stops will improve  
gas milage.  
To reduce the possibility of an accident while transporting  
the mixer on public roads, always make sure that the mixer  
towing components and the towing vehicle are in good  
operating condition and both units are mechanically sound.  
Avoid sharp turns to prevent rolling.  
CAUTION:  
The following list of suggestions should be used when towing  
the mixer:  
If the mixer tow bar is deformed or damaged  
replace entire tow bar. NEVER tow the mixer  
with a defective tow bar. There exist the  
possibility of the trailer separating from the  
towing vehicle.  
■
Make sure that the hitch and coupling of the towing vehicle  
are rated equal to, or greater than the trailer "gross vehicle  
weight rating" (GVWR).  
■
■
■
■
■
■
ALWAYS inspect the hitch and coupling for wear. NEVER  
Tow Bar to Vehicle Connection (Coupler Only)  
tow the mixer with defective hitches, couplings, chains etc.  
1. Check the vehicle hitch ball, and mixer's coupler for  
signs of wear or damage. Replace any parts that are  
worn or damaged before towing.  
CHECK the tire air pressure on both the towing vehicle and  
the trailer.Also check the tire tread wear on both vehicles.  
ALWAYS make sure the mixer is equipped with a "Safety  
Chain".  
2. Use only a 2-inch ball diameter (towing vehicle), this  
will match the mixer's 2-inch coupler. Use of any other  
ball diameter will create an extremely dangerous condition  
which can result in separation of the coupler and ball or  
ball failure.  
ALWAYS attach trailer's safety chain to the frame of towing  
vehicle.  
ALWAYS make sure that the towing vehicle's directional,  
backup, and brake lights are working properly.  
3. After tow bar has been connected to mixer (see next  
page), attach mixer's coupler to the hitch ball on the  
towing vehicle securely and make sure the lock lever  
is in the down position (locked).  
Remember in most cases the maximum speed unless  
otherwise posted for highway towing is 45 MPH, however  
before towing your mixer, check your local state, and county  
vehicle towing requirements. Recommended off-road towing  
is not to exceed 10 MPH or less depending on type of terrain.  
■
■
■
■
Place chocked blocks underneath wheels to prevent rolling,  
Mixer Tow Bar Vehicle Connection (Pintle and Loop)  
while parked, if disconnected from towing vehicle.  
1. Make sure the bumper on the towing vehicle is equipped  
to handle either a pintle or loop type tow bar configuration.  
Inflate tires to correct pressure, inspect tires for cuts, and  
excessive wear. See Table 16 (Tire Wear Troubleshooting).  
2. After tow bar has been connected to mixer (see next  
page), secure either type of tow bar to the towing vehicle,  
following state and county towing regulations.  
When towing of the mixer is required, place the drum in the  
up position (mouth facing upwards).  
ALWAYS make sure that the fuel valve lever is in the OFF  
position (gasoline models only).  
3. As a minimum, use a 1/2-inch bolt and nylock nut grade  
5 when securing either tow bar to the towing vehicle,  
PAGE 16 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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MC94P/S CONCRETE MIXER — SAFETY CHAIN CONNECTION  
2. Route the safety chain through the holes just above the  
CAUTION:  
tow bar, located on each side of the mixer stand.  
NEVER ! tow the mixer with the safety chain  
removed. The safety chain is intended to  
prevent complete separation of the mixer from  
the towing vehicle in the event of a tow bar  
failure.  
Loop the chain together and place under the tow bar.  
Secure the loop with the connector link.  
3. Extend the safety chain along the length of the tow bar,  
looping it through the tow bar's connector link. Remove  
any excess chain slack.  
Reference Figure 5 for the installation of the Safety Chain.  
4. Connect the free end of (clevis safety hook) the safety  
chain to the towing vehicle. Remember it is critical  
that the length of the chain be properly adjusted, to  
prevent the draw bar and the front of the mixer stand  
from dropping to the the ground (contact) in the event  
the draw bar becomes disconnected from the towing  
vehicle.  
Tow Bar to Mixer Connection  
1. Insert the tow bar through the round opening at the  
bottom of the mixer stand.  
Align the hole on the tow bar with the hole on the mixer  
frame, and insert 1/2-inch bolt through tow bar and frame.  
Secure tow bar to frame with 1/2-inch nylock nut.Tighten  
to 40 ft.-lbs.  
Figure 5. Tow Bar and Safety Chain Installation  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 17  
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MC94P/S CONCRETE MIXER — ELECTRIC MOTOR  
Electric Motor  
Electric MotorVoltage Change Switch  
For maintenance care and operation of the electric motor, refer  
to your electric motor instruction booklet furnished with the electric  
motor.  
1. ALWAYS make certain the electric motor's ON/OFF switch  
is in the "OFF" position and the power cord has been  
disconnected from the power source.  
2. Remove the voltage change lock-out bolt and nut (Figure 6).  
Change the position of the voltage change toggle switch  
from 115VAC to 230VAC.The mixer is factory wired for 115  
VAC operation.  
Protect the electric motor from dust as much as possible and  
keep ventilating openings clean.  
CAUTION:  
■
■
DO NOT spray water at any time on the  
3. Re-install the voltage change lock-out bolt and nut.  
electric motor.  
DO NOT operate electric motor in a  
explosive environment.  
The electric motor used in this mixer is a single-phase 1.5 HP  
motor. The input voltage requirement for this motor is either 115  
or 230 VAC only.  
Electric Motor Connection  
A 12 inch electrical cable (Figure 2) with a pigtail at one end is  
provided with the electrical motor for hookup to a power source.  
Table 1. shows the required NEMA connector for the desired  
motor horsepower rating. In addition, Table 2 also shows the  
matching NEMA approved connector for the required extension  
cord.  
Figure 6. Voltage Change Switch  
4. Important!, when changing the input voltage to the electric  
motor from 115 to 230VAC, the plug on the electric motor  
power cord must also be changed. SeeTable 6 and Figure 7.  
ALWAYS, make certain that the power source required for the  
electric motor is correct and always use the correct NEMA  
configuration plug. Failure to supply the correct voltage to the  
motor can severely damage the motor.  
Table 6. Electric Motor Wiring Information  
The electric motor supplied with the mixer is configured from the  
factoryfor115VACgroundedoperation.Makecertainthatthecorrect  
size grounded (3-wires) extension cord is used.SeeTable 5.  
Motor  
Horsepower  
Rating  
115-230 VAC - Single Phase  
NEMA Plug Connector  
Mating NEMA  
Receptacle Connector  
Motors can burn out when the line voltage falls 10% below the  
voltage rating of the motor. Failure to use proper voltage will  
cause the motor to overheat and actuate the overload switch.  
1.5 HP  
(115 VAC)  
L5-20P P/N EM940537  
L6-20P P/N 940539  
L5-20R P/N EM940538  
1.5 HP  
(230 VAC)  
L6-20R P/N 940540  
If overload protection should actuate because of improper voltage  
or any other malfunction, turn the main switch on the motor to the  
"OFF" position and correct the problem, press the reset switch  
button, and turn the main switch to the "ON" position.  
NEVER! disable or disconnect the  
ON/OFF switch on the electric motor.  
It is provided for operator safety.Injury  
may result if it is disable, disconnected  
or improperly maintained.  
Table 5. Recommended Extension Cord Size  
s
Electric  
Motor  
Input  
50 ft.  
75 ft.  
100 ft.  
200 ft.  
Voltage (15.24 m) (22.86 m) (30.48 m) (60.96 m)  
115 VAC  
230 VAC  
No. 12  
No. 14  
No. 10  
No. 12  
No. 8  
No. 6  
No. 8  
1.5 HP  
No. 12  
PAGE 18 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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MC94P/S CONCRETE MIXER — ELECTRIC MOTOR  
Figure 7. Single Phase Electric Motor  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 19  
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MC94P/S CONCRETE MIXER — PRE-INSPECTION (GAS ENGINE)  
Before Starting  
Table 7. Oil Type  
1. Read safety instructions at the beginning of manual.  
Season  
Summer  
Spring/Fall  
Winter  
Temperature  
25°C or Higher  
25°C~10°C  
Oil Type  
SAE 10W-30  
SAE 10W-30/20  
SAE 10W-10  
2. Clean the mixer, removing dirt and dust, particularly the  
engine cooling air inlet, carburetor and air cleaner.  
3. Check theairfilterfor dirtanddust. Ifairfilterisdirty,replace  
air filter with a new one as required.  
0°C or Lower  
4. Check carburetor for external dirt and dust. Clean with dry  
compressedair.  
Explosive Fuel  
5. Checkfasteningnutsandboltsfortightness.  
Fuel Check  
Engine Oil Check  
If your mixer has a gasoline engine, determine if the engine fuel  
is low. If fuel is low, remove the fuel filler cap and fill with unleaded  
gasoline. Motor fuels are highly flammable and can be dangerous  
if mishandled. DO NOT smoke while refueling. DO NOT attempt  
to refuel the trowel if the engine is hot! or running.  
1. To check the engine oil level, place the mixer on  
secure level ground with the engine stopped.  
2. Remove the filler dipstick from the engine oil filler hole  
(Figure 8) and wipe it clean.  
1. Remove the gasoline cap located on top of fuel tank.  
2. Visuallyinspecttoseeiffuellevelislow. Iffuelislow,replenish  
with unleaded fuel.  
3. When refueling, be sure to use a strainer for filtration. DO  
NOT top-off fuel. Wipe up any spilled fuel.  
V-belt Check  
A worn or damagedV-belt can adversely affect the performance  
of the mixer.If aV-belt is defective or worn simply replace theV-  
belt as outlined in the maintenance section of this manual.  
Figure 8. Engine Oil Dipstick (Removal)  
Blade Check  
3. Insert and remove the dipstick without screwing it into the  
filler neck. Check the oil level shown on the dipstick.  
Check for worn blades. If using a steel tub and the blades are  
worn, replace the entire tub assembly. Remember the blades  
are welded to tub.  
4. If the engine oil level is low (Figure 9), fill to the edge of  
the oil filler hole with the recommended oil type (Table 7).  
See Table 2 for the oil capacity of your type engine.  
If using a plastic tub, replace the blades using the part numbers  
referenced in the parts section of this manual.  
Start/Stop Switches  
This mixer has been equipped with a start/stop switches for both  
the gasoline and electric motor mixers.These switches should be  
tested every time the engine or motor is started.  
Grease Fittings (Zerk)  
Check the zerk grease fittings (Figure 27) as shown in the  
maintenancesectionofthismanual.Thesegreasefittingslubricate  
the handwheel and the yoke mechanism.  
Figure 9. Engine Oil Dipstick (Oil Level)  
PAGE 20 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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MC94P/S CONCRETE MIXER — INITIAL START-UP (GAS ENGINE)  
Starting the Engine (Gasoline Only)  
4. Turn the engine switch (Figure 13) to the ON position.  
The following steps outline the procedure for starting the engine.  
Depending on the type of engine employed in the mixer the  
steps may vary slightly. If your mixer has an electric motor  
disregard this section.  
1. Move the fuel shut-off lever (Figure 10) to the ON position.  
Figure 13. Engine ON/OFF Switch  
5. Located at the rear of the mixer frame is the main start/  
stop button (Figure 14). Pull this button outward to start the  
engine.  
Figure 10. Fuel Shut-OFF Lever  
2. To start a cold engine, move the choke lever (Figure 11) to  
the CLOSED position.  
Figure 14. Engine Start/Stop Button  
6. Pull the starter grip (Figure 15) lightly until you feel  
resistance, then pull briskly.The drum should be rotating at  
this time.  
Figure 11. Choke Lever  
3. Move the throttle lever (Figure 12) away from the slow  
position, about 1/3 of the way toward the fast position.  
Figure 15. Starter Grip  
Figure 12.Throttle Lever  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 21  
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MC94P/S CONCRETE MIXER — INITIAL START-UP (ELECTRIC MOTOR)  
5. Placethevoltageselectorswitch(Figure17)intheposition  
thatisinaccordancewithvoltagelistedontheelectricmotor's  
nameplate.Theelectricmotor'sareshippedfromthefactory  
withthewiththevoltageselectorswitchplacedinthe115VAC  
position.  
Initial Start-up Instructions (Electric Motor)  
Starting  
CAUTION:  
DO NOT attempt to operate the mixer until  
the Safety, General Information and  
Inspection sections have been read and  
understood.  
If230VACisrequired, removethelockingboltandnutand  
flip the voltage selector toggle switch to the 230 VAC  
position. Reinstall the locking bolt and nut to prevent the  
toggle switch from being accidently tripped.  
1. Before starting, make sure mixer is positioned on a secure  
flat surface to prevent rolling.  
2. Use an extension cord (see Table 5) of adequate current  
carryingcapacity,insert theelectricmotor'spowerplug into  
one end of the extension cord.  
3. NEVER! use a worn or frayed extension cord.  
4. NEVER! operate mixer withV-belt cover removed.  
DANGER  
NEVER! touch the power cord (Figure 16)  
with wet hands or while standing in water  
when it is connected to a power source.The  
possibly exists of electrical shock  
(electrocution) even death. NEVER! spray  
water directly on the electric motor.  
Figure 17. Voltage Change Switch  
(115 VAC Position)  
6. Plugtheotherendoftheextensioncordintoeithera115 or  
230VAC power source (look at position of voltage selector  
switch). Remembertoreadthenameplatetodeterminethe  
motor'sinputvoltagerequirement.  
WARNING:  
ALWAYS read the label on the electric motor  
before applying power.The label will indicate  
the correct power requirements for the motor.  
Remember the use of an incorrect input  
voltage will severely damage the electric  
motor.  
Starting the Electric Motor  
Figure 16. Extension Cord (Wet Hands)  
1. Set the electric motor's ON/OFF switch (Figure 18) to the  
ON position.  
To prevent personnel from tripping over  
the extension cord, position the  
NOTE  
extension cord so that it lays flat and is  
not curled underneath the mixer.  
Figure 18. Electric Motor ON/OFF Switch  
(ON Position)  
PAGE 22 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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MC94P/S CONCRETE MIXER — OPERATION  
3. Placingtheshovelallthewayinsidethedrum(Figure21)will  
causetheshoveltostriketheblades.Thisconditionwillmake  
Operation  
1. Topositionthetub,makesurethemixerisplacedonfirmlevel  
ground,thenpulluponthedumplatch(Figure19)andturn  
thehandwheeluntilthetubisatthedesiredposition.Once  
thetubisatthedesiredposition,pulldownonthedumplatch  
to lock the tub in position.  
the shovel rotate, and could cause injury to personnel.  
NEVER place hands inside the mixing drum while it is  
rotating.  
Figure 21. Filling Mixing Drum  
Stopping the Mixer (Gasoline)  
1. Push the main start/stop switch (Figure 22) inward to stop  
the engine.  
Figure 19. Mixing Drum Positioning  
CAUTION:  
NEVER stand in front or behind the mixing  
drum while it is being placed in the dump  
position. Stay clear of the mixing drum while  
it is being positioned.  
Figure 22. Start/Stop Button (Stop Position)  
2. Place fuel shut-off lever in the OFF position.  
2. As the drum rotates, use a shovel (Figure 20) to place the  
cementmixinsidethedrum,addwaterasrequired.Becareful  
to only place the tip of the shovel inside the drum.  
3. Clean drum of all debris and foreign matter.  
Stopping the Mixer (Electric)  
1. Place the electric motor's ON/OFF switch (Figure 23) in  
the OFF position.  
Figure 23. Electric Motor ON/OFF Switch  
(OFF Position)  
2. Disconnect the electric motor's extension cord from its  
power source.  
Figure 20. Filling Mixing Drum  
3. Clean drum of all debris and foreign matter.  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 23  
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MC94P/S CONCRETE MIXER — MAINTENANCE (ENGINE)  
UseTable 8 as a general maintenance guideline when servicing  
your engine. For more detail engine maintenance information,  
refer to the engine owner's manual supplied with your engine.  
Table 8. Engine Maintenance Schedule  
FIRST  
EVERY  
EVERY  
EVERY  
YEAR  
OR  
EVERY  
2 YEARS  
OR  
MONTH 3 MONTHS 6 MONTHS  
OR  
DESCRIPTION (3)  
OPERATION  
BEFORE  
OR  
OR  
10 HRS.  
25 HRS.  
50 HRS.  
100 HRS.  
200 HRS.  
CHECK  
CHANGE  
CHECK  
X
Engine Oil  
X
X
X
Air Cleaner  
All Nuts & Bolts  
Spark Plug  
CHANGE  
X (1)  
Re-tighten If  
Necessary  
CHECK-CLEAN  
REPLACE  
CHECK  
X
X
X
Cooling Fins  
Spark Arrester  
Fuel Tank  
CLEAN  
X
X
CLEAN  
Fuel Filter  
CHECK  
X
Idle Speed  
CHECK-ADJUST  
CHECK-ADJUST  
CHECK  
X (2)  
Valve Clearance  
Fuel lines  
X (2)  
Every 2 years (replace if necessary) (2)  
(1) Service more frequently when used in DUSTY areas.  
(2) These items should be serviced by your service dealer, unless you have the proper tools and are mechanically  
proficient. Refer to the HONDA or ROBIN Shop Manual for service procedures.  
(3) For commercial use, log hours of operation to determine proper maintenance intervals.  
PAGE 24 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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MC94P/S CONCRETE MIXER — MAINTENANCE (ENGINE)  
DANGER :  
Maintenance  
Perform the scheduled maintenance procedures as defined by  
Table 6 and below:  
DO NOT use gasoline as a cleaning solvent,  
because that would create a risk of fire or  
explosion.  
DAILY  
■
Thoroughly remove dirt and oil from the engine and control  
area.Clean or replace the air cleaner elements as necessary.  
Check and retighten all fasteners as necessary. Check the  
gearbox for oil leaks. Repair or replace as needed.  
ENGINEAIRCLEANER  
WEEKLY  
1. Remove the air cleaner cover and foam filter element as  
shown in Figure 26.  
■
Remove the fuel filter cap and clean the inside of the fuel  
tank.  
2. Tap the paper filter element (Figure 34) several times on a  
hard surface to remove dirt, or blow compressed air [not  
exceeding 30 psi (207 kPa, 2.1 kgf/cm2)] through the filter  
elementfromtheaircleanercaseside.NEVER brushoffdirt.  
Brushingwillforcedirtintothefibers.Replacethepaperfilter  
element if it is excessively dirty.  
■
■
Remove or clean the filter at the bottom of the tank.  
Remove and clean the spark plug (Figure 24), then adjust  
the spark gap to 0.024 ~0.028 inch (0.6~0.7 mm).This unit  
has electronic ignition, which requires no adjustments.  
3. Cleanfoamelementinwarm,soapywaterornonflammable  
solvent. Rinseanddrythoroughly. Diptheelementinclean  
engineoilandcompletelysqueezeouttheexcessoilfromthe  
element before installing.  
Figure 24. Spark Plug Gap  
ENGINEOIL  
1. Drain the engine oil when the oil is warm as shown in  
Figure 25.  
2. Remove the oil drain bolt and sealing washer and allow  
the oil to drain into a suitable container.  
3. Replace engine oil with recommended type oil as listed  
in Table 7. For engine oil capacity, see Table 2 (engine  
specifications). DO NOT overfill.  
4. Install drain bolt with sealing washer and tighten se-  
curely.  
Figure 26. Engine Air Cleaner  
Figure 25. Engine Oil (Draining)  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 25  
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MC94P/S CONCRETE MIXER — MAINTENANCE (MIXER)  
2. Use Poleyrex EM (Exxon Mobil) or equalivant lubricant.  
Clean grease fitting, apply grease gun to fitting (1/2 shot).  
Remember too much grease or injecting grease too quickly  
can cause premature bearing failure. Slowly apply the  
recommended amount of grease, taking a miniute or so to  
apply.  
Ball Socket and Clamp Face Maintenance  
1. If the towing vechicle is equipped with a ball socket, smear  
socket periodically with multi-purpose grease. This will keep  
the ball socket well lubricated.  
2. Periodically oil pivot points and clamp face surfaces of  
coupler with SAE 30 WT.motor oil.  
Wheel Bearings  
3. When parking or storing your mixer. Keep the coupler off  
the ground so dirt will not build up in the ball socket.  
1. After every 3 months of operation, remove the hub dust cap  
and inspect the wheel bearings (Figure 29). Once a year,  
or when required, disassemble the wheel hubs remove  
the old grease and repack the bearings forcing grease  
between rollers, cone and cage with a good grade of high  
speed wheel bearing grease (never use grease heavier  
than 265 A.S.T.M.penetration (“No.2.”)  
Grease Fittings (Zerk) Maintenance (Mixer)  
There are 3 grease (Figure 27) fittings that will require  
lubrication. Lubricate these fittings once a week. Use lithium  
base grease, grade N0.1.  
Figure 29. Wheel Hub and Bearings  
Figure 27. Grease Fittings Mixer  
2. Fill the wheel hub (Figure 29) with grease to the inside  
diameter of the outer races and also fill the hub grease cap.  
Reassemble the hub and mount the wheel.Then tighten  
the adjusting nut, at the same time turn the wheel in both  
directions, until there is a slight bind to be sure all the  
bearing surfaces are in contact.  
Grease Fittings (Zerk) Maintenance (Electric Motor)  
1. There are two grease (Figure 28) fittings at each end of the  
electric motor that will require lubrication. Lubricate these  
fittings about every 16 months.  
Then back-off the adjusting nut 1/6 to 1/4 turn or to the  
nearest locking hole or sufficiently to allow the wheel to  
rotate freely within limits of .001" to .010" end play.Lock the  
nut at this position. Install the cotter pin and dust cap, and  
tighten all hardware.  
Mixer Cleaning  
1. For thorough mix and longer drum life, always wash drum  
out after each use.  
2. NEVER! pour or spray water over the engine or electric  
Figure 28. Grease Fittings Electric Motor  
motor.  
PAGE 26 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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MC94P/S CONCRETE MIXER — MAINTENANCE (MIXER)  
Tires/Wheels/Lug Nuts  
Tires and wheels are a very important and critical compo-  
nents of the trailer. When specifying or replacing the trailer  
wheels it is important the wheels, tires, and axle are prop-  
erly matched.  
CAUTION:  
DO NOT attempt to repair or modify a  
wheel. DO NOT install an inter-tube to  
correct a leak  
through the rim.  
If the rim is cracked, the air  
pressure in the inter-tube may  
cause pieces of the rim to explode  
(break-off) with great force and  
can cause serious eye or bodily  
injury.  
Suspension  
The leaf suspension springs and associated components  
(Figure 30) should be visually inspected every 6,000 miles  
for signs of excessive wear, elongation of bolt holes, and  
loosening of fasteners. Replace all damaged parts (sus-  
pension) immediately. Torque locknut securing U-clamp to  
spring leaf between 45 and 50 ft.-lbs.  
Tires Wear/Inflation  
Tire inflation pressure is the most important factor in tire  
life. Pressure should be checked cold before operation. DO  
NOT bleed air from tires when they are hot. Check inflation  
pressure weekly during use to insure the maximum tire life  
and tread wear.  
Table 9 (Tire Wear Troubleshooting) will help pinpoint the  
causes and solutions of tire wear problems.  
CAUTION:  
ALWAYS wear safety glasses  
when removing or installing force  
fitted parts. Failure to comply may  
result in serious injury.  
Figure 30. Suspension Components  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 27  
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MC94P/S CONCRETE MIXER — MAINTENANCE (MIXER)  
Lug NutTorque Requirements  
It is extremely important to apply and maintain proper wheel  
mounting torque on the trailer. Be sure to use only the fas-  
teners matched to the cone angle of the wheel. Proper pro-  
cedure for attachment of the wheels is as follows:  
1. Start all wheel lug nuts by hand.  
2. Torque all lug nuts in sequence. See Figure 31. DO NOT  
torquethewheellugnutsallthewaydown.Tighteneachlug  
nut in 3 separate passes as defined byTable 10.  
3. Afterfirstroaduse,retorquealllugnutsinsequence.Check  
all wheel lug nuts periodically.  
NEVER! use an pneumatic air gun  
to tighten wheel lug nuts.  
Mixer Storage  
For storage of the mixer for over 30 days, the following is  
recommended:  
Drain the fuel tank completely, or add STA-BIL to the  
fuel.  
Run the engine until the fuel is completely consumed.  
Completely drain used oil from the engine crankcase  
and fill with fresh clean oil, then follow the procedures  
described in the engine manual for engine storage.  
Clean the entire mixer and engine compartment.  
Place the mixing drum in the down position (mouth facing  
downward).  
Cover the mixer and place it a clean dry area, that is  
protected from harsh elements.  
Figure 31. Wheel Lug Nuts Tightening Sequence  
PAGE 28 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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NOTE PAGE  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 29  
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MC94P/S CONCRETE MIXER — TROUBLESHOOTING (ENGINE)  
diagnosis based on the Troubleshooting (Tables 10 and 11)  
information shown below and on the next page. If the problem  
cannot be remedied, please leave the unit just as it is and  
consult our company's business office or service plant.  
Practically all breakdowns can be prevented by proper  
handling and maintenance inspections, but in the event of a  
breakdown, please take a remedial action following the  
TABLE 10. ENGINE TROUBLESHOOTING  
SYMPTOM  
Difficult to start  
POSSIBLE PROBLEM  
SOLUTION  
Ignition plug being bridge?  
Carbon deposit at ignition?  
Check ignition system.  
Clean or replace ignition.  
Replace insulators.  
Fuel is available but spark plug  
will not ignite. (Power available  
at high tension cable).  
Short circuit due to defective  
insulators?  
Improper spark gap?  
Set spark plug gap to the correct gap.  
Check stop switch circuit. Replace stop switch if defective.  
Replace ignition coil.  
Short circuit at stop switch?  
Ignition coil defective?  
Fuel is available but spark plug  
will not ignite. (Power NOT  
available at high tension cable).  
Muffler clogged with carbon  
deposits?  
Clean or replace muffler.  
Fuel is available and spark plug  
ignites (compression normal).  
Fuel in use inadequate (water,  
dust)?  
Flush fuel sytem and replace with fresh fuel.  
Air Cleaner clogged?  
Defective cylinder head gasket?  
Cylinder worn?  
Clean or replace air cleaner.  
Tighten cylinder head bolts or replace head gasket.  
Replace cylinder.  
Fuel is available and spark plug  
ignites (compression low ).  
Spark plug loose?  
Tighen spark plug.  
Operation not satisfactory  
Air cleaner clogged?  
Air in fuel line?  
Bleed (remove air) from fuel line.  
Adjust carbureator float  
Not enough power available  
(compression normal, no miss-  
firing).  
Fuel level in carbureator float  
chamber improper?  
Carbon deposits in cylinder?  
Ignition coil defective?  
Clean or replace cylinder  
Flush fuel sytem and replace with fresh fuel.  
Replace ignition wires, clean ignition.  
Flush fuel sytem and replace with fresh fuel.  
Not enough power available  
(compression normal, miss-  
firing).  
Ignition plug often shorts?  
Fuel in use inadequate (water,  
dust)?  
Excessive carbon depostion in  
combustion chamber?  
Clean or replace crankcase.  
Clean or replace muffler.  
Engine overheats.  
Exhaust or muffler clogged with  
carbon.  
Spark plug heat value incorrect? Replace spark plug with correct type spark plug.  
PAGE 30 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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MC94P/S CONCRETE MIXER — TROUBLESHOOTING (ENGINE/MIXER)  
TABLE 10. ENGINE TROUBLESHOOTING (Continued)  
SYMPTOM  
POSSIBLE PROBLEM  
SOLUTION  
Operation not satisfactory  
Governor adjustment improper?  
Governor spring defective?  
Fuel flow erratic?  
Adjust governor to correct lever.  
Clean or replace ignition.  
Check fuel line.  
Rotational speed fluctuates.  
Air taken in through suction  
line?  
Check suction line.  
Dust in rotating part?  
Spring spring failure?  
Clean recoil starter assembly.  
Replace sprial spring.  
Recoil starter not working  
properly.  
TABLE 11. MIXER TROUBLESHOOTING  
SYMPTOM  
POSSIBLE PROBLEM  
SOLUTION  
Check that the ring gear and bearings are not worn . Replace as  
necessary.  
Defective ring gear?  
Check that the pinion gear and bearings are not worn . Replace as  
necessary.  
Defective pinion gear?  
Drum rotates rough.  
Worn V-belt?  
Loose pulley?  
Replace V-belt.  
Tighten or replace pulley.  
Incorrect or no voltage being  
supplied to electric motor?  
Check that the electric motor has the correct supply voltage.  
Inspect power source and extension cord. Push reset button on  
electric motor. Make sure correct voltage is being supplied to motor.  
Power to electric motor?  
Fuel?  
Check level of fuel in fuel tank. Add fuel if necessary. Make sure  
fuel is being supplied to the engine. Check to ensure that the fuel  
filter is not clogged.  
Drum does not rotate at all.  
Broken V-belt?  
Replace V-belt.  
Check that the gears and bearings are not broken. Replace as  
necessary.  
Defective ring or pinion gears?  
Defective electric motor?  
Replace electric motor.  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 31  
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EXPLANATION OF CODE IN REMARKS COLUMN  
The following section explains the different symbols and  
QTY. Column  
remarks used in the Parts section of this manual. Use the  
help numbers found on the back page of the manual if there  
are any questions.  
Numbers Used — Item quantity can be indicated by a  
number, a blank entry, or A/R.  
A/R (As Required) is generally used for hoses or other  
parts that are sold in bulk and cut to length.  
NOTICE  
The contents and part numbers listed in the parts  
section are subject to change without notice.Multiquip  
does not guarantee the availability of the parts listed.  
A blank entry generally indicates that the item is not sold  
separately.Other entries will be clarified in the“Remarks”  
Column.  
SAMPLE PARTS LIST  
REMARKS Column  
NO. PART NO. PART NAME  
QTY. REMARKS  
Some of the most common notes found in the “Remarks”  
Column are listed below. Other additional notes needed  
to describe the item can also be shown.  
1
2%  
12345  
BOLT......................1 .....INCLUDES ITEMS W/%  
WASHER, 1/4 IN............NOT SOLD SEPARATELY  
WASHER, 3/8 IN....1 .....MQ-45T ONLY  
2% 12347  
3
4
12348  
12349  
HOSE ..................A/R ...MAKE LOCALLY  
BEARING ..............1 .....S/N 2345B AND ABOVE  
Assembly/Kit — All items on the parts list with the  
same unique symbol will be included when this item is  
purchased.  
NO. Column  
Indicated by:  
Unique Symbols — All items with same unique  
symbol  
“INCLUDES ITEMS W/(unique symbol)”  
(@, #, +, %, or >) in the number column belong to the  
same assembly or kit, which is indicated by a note in the  
“Remarks” column.  
Serial Number Break — Used to list an effective serial  
number range where a particular part is used.  
Indicated by:  
Duplicate Item Numbers — Duplicate numbers indicate  
multiple part numbers, which are in effect for the same  
general item, such as different size saw blade guards in  
use or a part that has been updated on newer versions  
of the same machine.  
“S/N XXXXX AND BELOW”  
“S/N XXXX AND ABOVE”  
“S/N XXXX TO S/N XXX”  
Specific Model Number Use — Indicates that the part  
is used only with the specific model number or model  
number variant listed. It can also be used to show a  
part is NOT used on a specific model or model number  
variant.  
NOTICE  
When ordering a part that has more than one item  
number listed, check the remarks column for help in  
determining the proper part to order.  
Indicated by:  
“XXXXX ONLY”  
“NOT USED ON XXXX”  
PART NO. Column  
Numbers Used — Part numbers can be indicated by a  
number, a blank entry, or TBD.  
“Make/Obtain Locally” — Indicates that the part can  
be purchased at any hardware shop or made out of  
available items.Examples include battery cables, shims,  
and certain washers and nuts.  
TBD (To Be Determined) is generally used to show a  
part that has not been assigned a formal part number  
at the time of publication.  
“Not Sold Separately”— Indicates that an item cannot  
be purchased as a separate item and is either part of an  
assembly/kit that can be purchased, or is not available  
for sale through Multiquip.  
A blank entry generally indicates that the item is not sold  
separately or is not sold by Multiquip. Other entries will  
be clarified in the “Remarks” Column.  
PAGE 32 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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MC94P/S CONCRETE MIXER — SUGGESTED SPARE PARTS  
MC94P/S CONCRETE MIXERS 1TO 3 UNITS WITH  
HONDA GX240K1QA2 ENGINE  
Qty.... P/N ...................... Description  
1 ....... 493399 ................ V-BELT w/GAS ENGINE  
1 ....... 502212 ................ V-BELT w/ELECTRIC MOTOR  
1 ....... 29173-001 ........... STOP SWITCH w/GAS ENGINE  
2 ....... 491010 ................ LATCH SET  
1 ....... 505390 ................ EXPANSION PLUG  
2 ....... 510956 ................ SPINDLE BEARING CUP  
2 ....... 510955 ................ SPINDLE BEARING CONES  
1 ....... EM505472 ........... SPACER, DRUM (STEEL ONLY)  
2 ....... 492179 ................ BEARING PINION  
2 ....... EM914288 ........... SEAL, AXLE  
Part numbers on this Suggested  
Spare Parts List may supercede/  
replace the P/N's shown in the  
test pages of this manual.  
NOTE  
4 ....... EM903012 ........... BEARING CUP  
4 ....... EM903113 ........... BEARING CONE  
2 ....... 3469 .................... DUST CAP, AXLE  
3 ....... 9807956846......... SPARK PLUG  
3 ....... 17210ZE2505 ...... AIR FILTER  
1 ....... 17620ZH7023...... CAP, FUEL  
1 ....... 28462ZEW211 ..... ROPE  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 33  
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MC94P/S CONCRETE MIXER — NAME PLATE AND DECALS  
NAME PLATE AND DECALS  
PAGE 34 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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MC94P/S CONCRETE MIXER— NAME PLATE AND DECALS  
NAME PLATE AND DECALS  
NO  
1
2
3
4
5
6
7
PART NO  
512910  
CIPDCL160  
504713  
EM948630  
DCL151  
35137  
PART NAME  
MQ MULTIQUIP LOGO  
QTY.  
REMARKS  
3
2
1
1
1
1
1
DECAL, CRUSHWARNING  
DECAL, SAFETY INSTRUCTIONS  
DECAL, EMERGENCY STOP  
DECAL,TOWING INSTRUCTIONS  
DECAL, WARNING READ  
DECAL, POWDER COATED  
13118  
8
NAMEPLATE........................................................ 1 ......... CONTACT PARTS DEPT.  
SEE DECAL ILLUSTRATIONS ON PAGE 9  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 35  
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MC94P/S — PLASTIC BARREL  
PLASTIC BARREL ASSY.  
PAGE 36 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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MC94P/S — PLASTIC BARREL  
PLASTIC BARREL ASSY.  
NO  
1
2
3
4
5
6
7
8
PART NO  
514061  
EM969013  
508492  
505390  
508491  
510955  
510956  
514930  
511758  
511759  
EM963057  
492378  
507542  
492598  
492583  
508497  
508498  
507541  
507538C  
508345  
EM926036  
514515  
492179  
EM963692  
502036  
492584  
491008  
EM916001  
500246  
503915  
492468  
492491  
07037-024  
505079  
492586  
510647  
508496  
500980  
505472  
515450  
PART NAME  
QTY.  
1
4
1
1
1
2
2
1
AR  
AR  
4
16  
4
16  
16  
2
2
4
4
4
2
1
2
2
1
2
3
3
1
1
1
1
REMARK  
RING GEAR  
NUT, LOCK 3/8” NC  
BARREL, PLASTIC 9 CU. FT.  
PLUG, EXPANSION  
KING PIN  
SPINDLE BEARING CONE  
SPINDLE BEARING CUP  
SUPPORT SPIDER  
SHIM PLASTIC #14  
SHIM PLASTIC #16  
BOLT 3/8" NC 1-1/2" G5  
BOLT 3/8" NC 1-3/4" G5  
SUPPORT BRACKET, UPPER  
WASHER, FLAT  
9
10  
11  
12  
13  
14  
15  
16  
16A  
17  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
NUT, HEX 3/8" NC  
PLASTIC BLADE, VERT. LONG  
PLASTIC BLADE, VERT. SHORT  
SUPPORT BRACKET, LOWER  
SPACER MC8079  
BOLT, FLAT HEAD 3/8" NC X 3-1/2" G  
RING, RETENTION  
DRIVE PINION SHAFT  
BEARING, PINION SHAFT  
BOLT 1/2" NC X 1-1/2" G5  
HOUSING, JACKSHAFT  
LOCKNUT, HEX 1/2" NC  
CAP, GREASE FITTING  
GREASE FITTING 1/8" NPT  
SQUARE KEY 1/4 X 35 MM  
DRIVE PINION  
ALLEN SCREW 5/16 NC 1/2"  
SET SCREW 1/2" X 1" NC  
NUT, HEX LOWER 1-1/2" NF................. 1..............REPLACES EM968306  
BOLT 5/8" NC X 1-1/4" NC  
LOCKNUT, HEX 5/8" NC  
YOKE  
BLADE, PLASTIC (SHOVEL)  
WASHER, FLAT 1-9/16"  
SPACER, BARREL  
1
1
1
2
1
1
STEEL BLADES ....................................3............... EFFECTIVE 02/2005  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 37  
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MC94P/S — STEEL BARREL  
STEEL BARREL ASSY.  
PAGE 38 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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MC94P/S — STEEL BARREL  
STEEL BARREL ASSY.  
NO  
1
2
PART NO  
505390  
505469  
PART NAME  
PLUG, EXPANSION  
KING PIN  
QTY.  
1
1
REMARK  
3
4
5
510955  
510956  
514061  
SPINDLE BEARING CONE  
SPINDLE BEARING CUP  
RING GEAR  
2
2
1
6
7
8
8
8
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
EM9633057  
505473  
511732  
511729  
511730  
511731  
EM969013  
490962  
514515  
492179  
EM963692  
492584  
502036  
491008  
EM916001  
500214  
503915  
492467  
EM505472  
492491  
07037-024  
492406  
BOLT 3/8" NC 1-1/2" G5  
BARREL, STEEL 9 CU. FT.  
SHIM 0.25 THICK  
SHIM .100 THICK  
SHIM .140 THICK  
SHIM .187 THICK  
NUT, LOCK 3/8” NC  
SNAP RING  
DRIVE PINION SHAFT  
BEARING, PINION SHAFT  
BOLT 1/2" NC X 1-1/2" G5  
LOCKNUT, HEX 1/2" NC  
HOUSING, JACKSHAFT  
CAP, GREASE FITTING  
GREASE FITTING 1/8" NPT  
SQUARE KEY 1/4" X 30 MM  
DRIVE PINION  
6
1
AR  
AR  
AR  
AR  
6
2
1
2
2
2
1
3
3
1
1
1
1
ALLEN SCREW 5/16 NC 3/8"  
SPACER, BARREL  
SET SCREW 1/2" X 1" NC  
1
NUT, HEX LOWER 1-1/2" NF...................1............. REPLACES EM968306  
BOLT 5/8" NC X 1-1/2" NC  
LOCKNUT, HEX 5/8" NC  
YOKE  
1
1
1
492586  
510593  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 39  
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MC94P/S — MAIN FRAME ASSEMBLY  
MAIN FRAME ASSY.  
PAGE 40 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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MC94P/S — MAIN FRAME ASSEMBLY  
MAIN FRAME ASSY.  
NO  
1
2
3
4
5
6
7
8
PART NO  
514245  
492621  
492278  
514692  
492584  
490895  
492395  
EM916001  
491008  
EM963055  
3109092  
0166 A  
514521  
10176  
PART NAME  
QTY.  
1
4
4
1
1
1
1
2
2
3
3
3
1
1
1
1
REMARK  
GUARD, GEARWHEEL  
WASHER, LOCK 1/4"  
ROUND HEAD BOLT 1/4" NC 3/8 G2"  
DUMP GEAR  
NUT, LOCK 1/2" NC  
DUMP LATCH  
BOLT 1/2" NC X 1-3/4" G5  
GREASE FITTING 1/8" NPT  
GREASE CAP  
BOLT 3/8" NC X 3/4" G5  
WASHER, FLAT 3/8"  
WASHER, LOCK 3/8"  
FRAME  
LOCK NUT 1/2 NC  
BOLT 1/2"-13 X 4 G5  
HANDWHEEL SHAFT  
HANDWHEEL ............................................... 1 .............REPLACES P/N 514002  
SAFETY CHAIN  
CONNECTOR LINK ...................................... 2 .............BEFORE JANUARY 2006  
CONNECTOR LINK ...................................... 1 .............AFTER JANUARY 2006  
CLEVIS SAFETY HOOK .............................. 1 .............AFTER JANUARY 2006  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
EM124  
514723  
501808  
1
*
19  
19  
01004  
01004  
516581  
490961  
13363KIT  
HBC-1  
HLC-1  
*
*
19A  
20  
*
SNAP RING  
1
21  
22  
23  
24  
CHAIN AND LINK KIT .................................. 1 .............INCLUDES ITEMS W/  
*
BALL HITCH 2-INCH .................................... 1 .............CONTACT UNIT SALES  
LOOP HITCH ................................................ 1 .............CONTACT UNIT SALES  
PIN HITCH 1-INCH ....................................... 1 .............CONTACT UNIT SALES  
HPC-1  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 41  
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MC94P/S — AXLE ASSEMBLY  
AXLE ASSY.  
PAGE 42 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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MC94P/S — AXLE ASSEMBLY  
AXLE ASSY.  
NO  
1
2
3
4
5
6
7
8
PART NO  
PART NAME  
QTY.  
REMARK  
492397  
EM969023  
501030  
4922406  
492589  
491928  
492584  
514545  
500617  
EM914288  
EM903113  
EM903012  
EM941306  
511159  
501299  
491688  
8164  
BOLT 1/2" NC 2-1/2" G5  
LOCK NUT 5/8" NC  
SPRING SUPPORT  
BOLT 5/8" NC 1-1/2" G5  
NUT 1/2" NF  
4
4
2
4
4
2
4
1
2
2
4
4
SPRING LEAF  
NUT, HEX 1/2"  
AXLE  
U-CLAMP  
OIL SEAL  
BEARING CONE,  
BEARING CUP  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
#
#
#
HUB ASSY., 4-BOLT ....................................................... 2 ........... INCLUDES ITEMS W/  
#
WASHER, FLAT, .087" THICKNESS  
WASHER, FLAT, .135" THICKNESS  
COTTER PIN 1/8" X 1-1/2'  
NUT, SLOTTED HEX JAM 1"-20  
TIRE AND RIM, CARLISE  
LUG NUTS  
2
AR  
2
2
2
8
2
3005  
8115  
3469  
#
#
DUST CAP  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 43  
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MC94P/S — CABINET ASSEMBLY  
CABINET ASSY.  
PAGE 44 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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MC94P/S — CABINET ASSEMBLY  
CABINET ASSY.  
NO  
1
2
3
4
5
6
7
PART NO  
490202  
514694  
492375  
EM923023  
13287  
PART NAME  
QTY.  
REMARKS  
RUBBER PROTECTOR  
4
CABINET ENGINE ASSY. W/DECALS ....................1............. INCLUDES ITEM W/  
BOLT 3/8" NC X 1" G5  
WASHER, FLAT 5/16"  
LOCK NUT 8-32 ........................................................6............. REPLACEMENT PART ONLY  
WASHER, FLAT #10 .................................................6............. REPLACEMENT PART ONLY  
RHMS 8-32 X 1/2".....................................................6............. REPLACEMENT PART ONLY  
*
6
8
2203  
1307  
8
*
9
10  
11  
491010  
492598  
2105164  
EM974007  
LATCH ASSY., COMPLETE  
WASHER, FLAT 3/8"  
NUT 3/8" NC G5  
2
12  
6
PAINT, SPRAY CAN 12 OZ. TRAFFIC RED  
AR  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 45  
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MC94P/S — GAS ENGINE MOUNTING PLATE ASSEMBLY  
GAS ENGINE MOUNTING PLATE ASSY.  
PAGE 46 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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MC94P/S — GAS ENGINE MOUNTING PLATE ASSEMBLY  
GAS ENGINE MOUNTING PLATE ASSY.  
NO  
1
2
PART NO  
GX240K1QA2  
490956  
PART NAME  
ENGINE, HONDA 8.0 HP  
SNAP RING  
QTY.  
1
1
REMARKS  
3
4
5
500275  
492476  
514060  
SQUARE KEY 1/4 X 40 MM  
SET SCREW 5/16" NC X 3/4"  
UPPER PULLEY  
1
1
1
6
7
90745ZE2600  
493399  
SQUARE KEY 6.3 X 6.3 X 43 MM  
V-BELT B-55  
1
1
8
9
492468  
504075  
EM923343  
EM923023  
2105164  
514810  
ALLEN SCREW 5/16" NC X 3/8"  
LOWER DRIVE PULLEY  
WASHER, LOCK 5/16"  
WASHER, FLAT 5/16"  
NUT, HEX 5/16 X18 NC G5  
BASE PLATE, ENGINE  
WASHER, FLAT 1/2"  
BOLT, HEX 1/2" NC 1-1/2" G5  
BUTTON, STOP  
SWITCH, STOP  
ENGINE CABLE HARNESS  
LOCKNUT 1/2"  
BOLT 5/16" X 1-3/4" G5  
SUPPORT BRACKET  
1
1
4
4
4
1
8
4
1
1
1
4
4
1
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
492600  
EM963692  
29174-001  
29173-001  
510573C  
492584  
492367  
514656  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 47  
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MC94P/S — ELECTRIC MOTOR MOUNTING PLATE ASSEMBLY  
ELECTRIC MOTOR MOUNTING PLATE ASSY.  
PAGE 48 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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MC94P/S — ELECTRIC MOTOR MOUNTING PLATE ASSEMBLY  
ELECTRIC MOTOR MOUNTING PLATE ASSY.  
NO  
1
2
PART NO  
P145K17DB45A  
490960  
PART NAME  
MOTOR, ELECTRIC 1.5 HP  
SNAP RING  
QTY.  
1
1
REMARKS  
3
4
5
500275  
492476  
514060  
SQUARE KEY 1/4" X 40 MM  
SET SCREW 5/16" NC X 3/4"  
UPPER PULLEY  
1
1
1
6
7
500169  
512265  
SQUARE KEY 3/16" X 50 MM  
V-BELT B-59  
1
1
8
9
492468  
514923  
EM923343  
EM923023  
2105164  
514810  
ALLEN SCREW 5/16" NC X 1/2"  
LOWER DRIVE PULLEY  
WASHER, LOCK 5/16"  
WASHER, FLAT 5/16"  
NUT, HEX 5/16 X18 NC G5  
BASE PLATE, ENGINE  
WASHER, FLAT 1/2"  
BOLT, HEX 1/2" NC 1-1/2" G5  
BUTTON, STOP  
SWITCH, STOP  
ENGINE CABLE HARNESS  
LOCKNUT 1/2"  
BOLT 5/16" X 1-3/4" G5  
SUPPORT BRACKET  
5/16" X 1" G5  
1
1
4
4
4
1
8
4
1
1
1
4
4
1
4
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
492600  
EM963692  
29174-001  
29173-001  
510573C  
492584  
492367  
514656  
0202  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 49  
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HONDA GX240K1QA2 ENGINE — AIR CLEANER ASSY.  
AIR CLEANER ASSY.  
PAGE 50 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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HONDA GX240K1QA2 ENGINE — AIR CLEANER ASSY.  
AIR CLEANER ASSY.  
NO.  
1
2
3
*
5
PART NO.  
PART NAME  
QTY.  
REMARKS  
16271ZE2000  
17210ZE2515  
17218ZE2505  
17231ZH9820  
17232891000  
17238ZE2310  
17239ZE1000  
17410ZE2020  
0037806000  
90325044000  
90009ZE2003  
9405006000  
GASKET, ELBOW  
1
ELEMENT, AIR CLEANER, DUAL .............. 1............. INCLUDES ITEM W/  
FILTER, OUTER  
COVER, AIR CLEANER  
GROMMET, AIR CLEANER  
COLLAR, AIR CLEANER  
COLLAR B, AIR CLEANER  
ELBOW COMP., AIR CLEANER ............... 1 ............. INCLUDES ITEM W/  
WINGNUT 6MM  
WINGNUT, TOOL BOX SETTING  
BOLT- WASHER 6 X 22  
NUT, FLANGE 6MM  
*
1
1
1
2
1
6
8
9
*
#
#
10  
12  
13  
14  
15  
#
1
2
1
2
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 51  
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HONDA GX240K1QA2 ENGINE — CAMSHAFT ASSY.  
CAMSHAFT ASSY.  
PAGE 52 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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HONDA GX240K1QA2 ENGINE — CAMSHAFT ASSY.  
CAMSHAFT ASSY.  
NO.  
1
1
2
3
4
5
6
*
7
8
PART NO.  
PART NAME  
QTY.  
REMARKS  
14100ZE2W01  
14100ZE2306  
14410ZE2013  
14431ZE2010  
14441ZE2000  
14451ZE1013  
14568ZE1000  
14711ZE2000  
14721ZE2000  
14751ZE2003  
14771ZE2000  
14773ZE2000  
14781ZE2000  
14791ZE2010  
90012ZE0010  
90206ZE1000  
CAMSHAFT ASSY. ................................... 1 ............. INCLUDES ITEM W/  
*
CAMSHAFT  
ROD PUSH  
ARM VALVE ROCKER  
LIFTER VALVE  
PIVOT ROCKER ARM  
SPRING, WEIGHT RETURN  
VALVE, IN.  
1
2
2
2
2
1
1
1
2
1
1
1
1
2
2
VALVE, EX.  
SPRING, VALVE  
9
10  
11  
12  
13  
14  
15  
RETAINER, IN. VALVE SPRING  
RETAINER, EX. VALVE SPRING  
ROTATOR, VALVE  
PLATE, PUSH ROD GUIDE  
BOLT, PIVOT 8MM  
NUT, PIVOT ADJ.  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 53  
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HONDA GX240K1QA2 ENGINE — CARBURETOR ASSY.  
CARBURETOR ASSY.  
PAGE 54 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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HONDA GX240K1QA2 ENGINE — CARBURETOR ASSY.  
CARBURETOR ASSY.  
NO.  
PART NO.  
PART NAME  
QTY. REMARKS  
1 +  
16010ZE2812  
16011ZA0931  
16013ZA0931  
16016ZHW01  
16024ZE1811  
16028ZE0005  
16028ZE2005  
16100ZE2W71  
16124ZE0005  
16166ZE2W70  
16172ZE3W10  
16075GHBB00  
16211ZE2000  
16220ZA0702  
16221ZA0800  
16223ZA0800  
16610ZE1000  
16953ZE1812  
16954ZE1811  
16956ZE1811  
16957ZE1812  
16967ZE0811  
93500030060H  
9430520122  
GASKET SET  
VALVE SET, FLOAT  
FLOAT SET  
1
1
1
1
1
1
1
*
2
3
*
*
5
6 +  
SCREW SET  
*
SCREW SET, DRAIN  
SCREW SET B  
CHOKE SET  
CARBURETOR ASSY.................... 1 ..... INCLUDES ITEMS W/  
SCREW, THROTTLE STOP  
NOZZLE, MAIN  
*
7 +  
*
8
*
9
10  
*
*
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
*
11  
*
12  
*
COLLAR, SET  
O-RING  
13  
*
14  
INSULATOR, CARB.  
SPACER COMP., CARB.  
GASKET, CARBURETOR  
GASKET, INSULATOR  
LEVER COMP., CHOKE, STD.  
LEVER, VALVE  
PLATE, LEVER SETTING  
SPRING, VALVE LEVER  
GASKET, VALVE  
CUP, FUEL STRAINER  
SCREW, PAN 3 X 6  
PIN, SPRING 2 X 12  
JET, MAIN #82, OPTIONAL  
JET, MAIN #85, OPTIONAL  
JET, MAIN #88  
15  
16  
17  
18  
19  
*
20  
*
21  
*
22  
*
23  
*
24  
*
25  
26  
99101ZH70820  
99101ZH70850  
99101ZH80880  
99204ZE20400  
16015ZE8005  
*
26  
*
26  
*
27  
28  
JET SET, PILOT #40  
CHAMBER SET, FLOAT ................ 1 ..... INCLUDES ITEMS W/+  
*
*
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 55  
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HONDA GX240K1QA2 ENGINE — CONTROL ASSY.  
CONTROL ASSY.  
PAGE 56 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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HONDA GX240K1QA2 ENGINE — CONTROL ASSY.  
CONTROL ASSY.  
NO.  
2
3
4
5
PART NO.  
PART NAME  
ARM, GOVERNOR  
ROD, GOVERNOR  
SPRING, GOVERNOR  
SPRING,THROTTLE RETURN  
CONTROL ASSEMBLY ................................ 1 .......... INCLUDES ITEMS W/  
LEVER, CONTROL  
SPRING, LEVER  
WASHER, CONTROL LEVER  
HOLDER, CABLE  
SPACER, CONTROL LEVER  
BASE, CONTROL  
SPRING, CONTROL ADJUSTING  
SPRING, CABLE RETURN  
BOLT, FLANGE (6 X 12) (CT200)  
BOLT, GOVERNOR ARM  
NUT, SELF- LOCK (6MM)  
SCREW, PAN (5 X 28)  
SCREW, PAN (5 X 16)  
NUT, FLANGE  
QTY.  
REMARKS  
16551ZE2000  
16555ZE2000  
16561ZE2000  
16562ZE2000  
16570ZE2W20  
16571ZE2W00  
16574ZE1000  
16575ZE2W00  
16576891000  
16578ZE1000  
16581ZE2W00  
16584883300  
16592883310  
90013883000  
90015ZE5010  
90114SA0000  
93500050280A  
93500050160A  
9405006000  
1
1
1
1
8
*
10  
1
1
1
*
11  
*
12  
*
13  
14  
1
1
1
1
2
1
1
1
1
1
*
15  
*
16  
*
17  
19  
20  
21  
*
24  
*
26  
27  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 57  
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HONDA GX240K1QA2 ENGINE — CRANKCASE COVER ASSY.  
CRANKCASE COVER ASSY.  
PAGE 58 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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HONDA GX240K1QA2 ENGINE — CRANKCASE COVER ASSY.  
CRANKCASE COVER ASSY.  
NO.  
2
PART NO.  
11400ZE2601  
PART NAME  
QTY.  
REMARKS  
COVER ASSY., CRANKCASE ..................... 1........... INCLUDES ITEMS W/  
(Q-TYPE) (BALANCER)  
*
3
4
5
9
10  
11381ZE2801  
15600ZG4003  
15600735003  
15625ZE1003  
16510ZE2811  
GASKET, CASE COVER  
1
CAP ASSY., OIL FILLER ............................. 1........... INCLUDES ITEMS W/  
CAP ASSY., OIL FILLER ............................. 1........... INCLUDES ITEMS W/  
#
#
#
GASKET, OIL FILLER CAP  
1
GOVERNOR ASSEMBLY (BALANCER) ...... 1........... INCLUDES ITEMS W/+  
11 + 16511ZE2000  
WEIGHT, GOVERNOR  
2
1
2
1
1
1
2
1
7
1
1
1
1
*
12 + 16512ZE2811  
HOLDER, GOVERNORWEIGHT  
PIN, GOVERNOR WEIGHT  
SLIDER, GOVERNOR  
WASHER (6 X 16)  
CLIP, GOVERNOR HOLDER  
PIN, DOWEL (8 X 12)  
WASHER, PLAIN (6MM)  
BOLT, FLANGE (8 X 35)  
BEARING, RADIAL BALL (6202)  
BEARING, RADIAL BALL (6204)  
BEARING, RADIAL BALL (6206)  
BEARING, RADIAL BALL (6302)  
*
13 + 16513ZE2000  
*
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
16531ZE2000  
90473147000  
90602ZE1000  
90701HC4000  
58176  
957010803500  
961006202000  
961006204000  
961006206000  
961006302000  
*
*
*
*
*
*
*
*
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 59  
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HONDA GX240K1QA2ENGINE — CRANKSHAFT ASSY.  
CRANKSHAFT ASSY.  
PAGE 60 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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HONDA GX240K1QA2 ENGINE — CRANKSHAFT ASSY.  
CRANKSHAFT ASSY.  
NO.  
2
8
PART NO.  
PART NAME  
QTY.  
REMARKS  
13320ZE2601  
13351ZE2010  
90745ZE2600  
961006206000  
CRANKSHAFT (Q- TYPE) ............................ 1 .......... INCLUDES ITEM W/  
*
WEIGHT BALANCER  
KEY 6.3 X 6.3 X 43 MM  
BEARING, RADIAL BALL (6206)  
1
1
1
10  
12  
*
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 61  
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HONDA GX240K1QA2 ENGINE — CYLINDER BARREL ASSY.  
CYLINDER BARREL ASSY.  
PAGE 62 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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HONDA GX240K1QA2 ENGINE — CYLINDER BARREL ASSY.  
CYLINDER BARREL ASSY.  
NO.  
1
2
3
6
7
8
*
9
10  
11  
12  
13  
PART NO.  
PART NAME  
QTY.  
REMARKS  
12000ZE2834  
15510ZE2043  
16541ZE2010  
90131896650  
90446KE1000  
91201890003  
91353671003  
9405010000  
031112230  
CYLINDER ASSY., BALANCER + OIL ALERT ...... 1 .......... INCLUDES ITEMS W/  
*
SWITCH ASSY., OIL LEVEL  
SHAFT, GOVERNOR ARM  
BOLT, DRAIN PLUG  
WASHER 8.2 X17X0.8  
OIL SEAL 30X46X8  
O-RING 14MM ARAI  
NUT FLANGE 10MM  
WASHER, DRAIN PLUG 12MM  
PIN, LOCK 10MM  
BOLT, FLANGE 6X12  
BEARING, RADIAL BALL 6202  
BOLT, FLANGE 6X12 CT200  
ALERT UNIT, OIL  
1
1
2
1
1
1
1
2
1
2
1
1
1
9425110000  
957010601200  
961006202000  
90013883000  
34150ZH7003  
14  
15  
16  
*
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 63  
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HONDA GX240K1QA2 ENGINE — CYLINDER HEAD ASSY.  
CYLINDER HEAD ASSY.  
PAGE 64 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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HONDA GX240K1QA2 ENGINE — CYLINDER HEAD ASSY.  
CYLINDER HEAD ASSY.  
NO.  
PART NO.  
PART NAME  
QTY.  
REMARKS  
1
12200ZH9000  
12204ZE2306  
12205ZE2305  
12216ZE2300  
12251ZE2800  
12310ZE2020  
12391ZE2020  
14775ZE2010  
90014ZE2000  
90042ZE2000  
92900080320E  
90441ZE2010  
9430112200  
CYLINDER HEAD COMP. ....................................... 1 .......... INCLUDES ITEMS W/  
*
2
*
3
*
4
*
5
6
7
GUIDE, VALVE, OS, OPTIONAL  
GUIDE, EX. VALVE, OS, OPTIONAL  
CLIP, VALVE GUIDE  
GASKET, CYLINDER HEAD  
COVER COMP., HEAD  
GASKET, CYLINDER HEAD COVER  
SEAT, VALVE SPRING  
BOLT, HEAD COVER  
BOLT, STUD 8X123  
BOLT, STUD 8X47  
WASHER COMP., HEAD COVER  
PIN A, DOWEL 12X20  
BULK HOSE, VACUUM 11X1000, 11X100  
BOLT, FLANGE 10X80  
1
1
1
1
1
1
1
1
2
2
1
2
1
4
1
1
8
10  
11  
12  
13  
14  
15  
16  
17  
17  
950051100130M  
957011008000  
9807956846  
SPARK PLUG, BPR6ES, NGK  
SPARK PLUG, W20EPR-U, DENSO  
9807956855  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 65  
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HONDA GX240K1QA2 ENGINE — FAN COVER ASSY.  
FAN COVER ASSY.  
PAGE 66 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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HONDA GX240K1QA2 ENGINE — FAN COVER ASSY.  
FAN COVER ASSY.  
NO.  
1
2
3
4
5
7
9
PART NO.  
PART NAME  
QTY.  
REMARKS  
16731ZE2003  
19610ZE2010ZC  
19631ZE2D00  
32197ZH8003  
36100ZE1015  
90013883000  
90684ZA0601  
CLIP, TUBE  
1
1
1
1
1
6
1
COVER COMP., FAN *NH1* BLACK  
SHROUD  
SUB-HARNESS  
SWITCH ASSY., ENGINE STOP  
BOLT, FLANGE 6X12, CT200  
CLIP, WIRE HARNESS  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 67  
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HONDA GX240K1QA2 ENGINE — FLYWHEEL ASSY.  
FLYWHEEL ASSY.  
PAGE 68 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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HONDA GX240K1QA2 ENGINE — FLYWHEEL ASSY.  
FLYWHEEL ASSY.  
NO.  
1
2
4
7
PART NO.  
PART NAME  
QTY.  
REMARKS  
19511ZE2000  
28450ZE2W11  
31100ZE2010  
90201ZE3V00  
90741ZE2000  
FAN, COOLING  
1
1
1
1
1
PULLEY COMP., STARTER, SCREEN GRID  
FLYWHEEL COMP.  
NUT, SPECIAL 16MM  
8
KEY, SPECIAL WOODRUFF 25X18  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 69  
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HONDA GX240K1QA2 ENGINE — MUFFLER ASSY.  
MUFFLER ASSY.  
PAGE 70 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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HONDA GX240K1QA2 ENGINE — MUFFLER ASSY.  
MUFFLER ASSY.  
NO.  
1
2
3
4
5
6
7
8
PART NO.  
PART NAME  
QTY.  
1
1
1
1
1
1
1
1
1
1
6
3
1
5
REMARKS  
18310ZE2W00  
18320ZE2W01  
18323ZE2W00  
18330ZE2W00  
18331ZE2810  
18333ZK6Y00  
18355ZE2010  
18381ZE2W10  
18381ZE2800  
90013883000  
90050ZE1000  
90055ZE1000  
90050ZE1000  
9405008000  
MUFFLER  
PROTECTOR, MUFFLER  
PROTECTOR, EX. PIPE  
PIPE, EX.  
CAP, MUFFLER  
GASKET, EX. PIPE  
ARRESTER, SPARK  
GASKET, MUFFLER (ARRESTER)  
GASKET, MUFFLER  
BOLT, FLANGE (6 X 12) (CT200)  
SCREW, TAPPING (5 X 8)  
SCREW, TAPPING (4 X 6)  
SCREW, TAPPING (5 X 8) (OPTIONAL)  
NUT, FLANGE (8MM)  
9
10  
11  
12  
13  
14  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 71  
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HONDA GX240K1QA2 ENGINE — FUELTANK ASSY.  
FUEL TANK ASSY.  
PAGE 72 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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HONDA GX240K1QA2 ENGINE — FUELTANK ASSY.  
FUEL TANK ASSY.  
NO.  
1
2
3
5
6
*
8
11  
12  
13  
14  
15  
PART NO.  
PART NAME  
RUBBER SUPPORTER 107MM  
JOINT, FUEL TANK  
TANK COMP., FUEL *NH1*, BLACK  
CAP COMP., FUEL FILLER .................................... 1 .......... INCLUDES ITEMS W/  
GASKET, FUEL FILLER CAP  
FILTER, FUEL  
O-RING 14MM, ARAI  
NUT, FLANGE 8MM  
BULK HOSE, FUEL 4.5X3000, 4.5X222  
CLIP, TUBE, B8  
BOLT, FLANGE 8X25  
QTY.  
REMARKS  
16854ZH8000  
16955ZE1000  
17510ZE2010ZD  
17620ZH7023  
17631ZH7003  
17672ZE2W01  
91353671003  
9405008000  
1
1
1
*
1
1
1
2
1
2
2
950014500360M  
9500202080  
957010802500  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 73  
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HONDA GX240K1QA2 ENGINE — IGNITION ASSY.  
IGNITION COIL ASSY.  
PAGE 74 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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HONDA GX240K1QA2 ENGINE — IGNITION ASSY.  
IGNITION COIL ASSY.  
NO.  
1
2
6
8
PART NO.  
PART NAME  
QTY.  
REMARKS  
30500ZF6W02  
30700ZE1013  
31512ZE2000  
36101ZE1010  
90015883000  
COIL ASSY., IGNITION  
CAP ASSY., NOISE SUPPRESSOR  
GROMMET, WIRE  
1
1
1
1
2
WIRE, STOP SWITCH 370MM  
BOLT, FLANGE 6X28  
11  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 75  
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HONDA GX240K1QA2 ENGINE — PISTON ASSY.  
PISTON ASSY.  
PAGE 76 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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HONDA GX240K1QA2 ENGINE — PISTON ASSY.  
PISTON ASSY.  
NO.  
1
1
1
1
2
2
2
2
3
4
4
5
*
6
PART NO.  
PART NAME  
QTY.  
REMARKS  
13010ZE2013  
13011ZE2013  
13012ZE2013  
13013ZE2013  
13101ZE2W00  
13102ZE2W00  
13103ZE2W00  
13104ZE2W00  
13111ZE2000  
13200ZE2000  
13200ZE2305  
90001ZE8000  
90551ZE1000  
RING SET, PISTON, STD.  
RING SET, PISTON, OS 0.25, OPTIONAL  
RING SET, PISTON, OS 0.50, OPTIONAL  
RING SET, PISTON, 0.75, OPTIONAL  
PISTON, STANDARD  
1
1
1
1
1
1
1
1
1
PISTON, OS 0.25, OPTIONAL  
PISTON, OS 0.50, OPTIONAL  
PISTON, 0.75, OPTIONAL  
PIN, PISTON  
ROD ASSY., CONNECTING STANDARD ................ 1 .......... INCLUDES ITEMS W/  
ROD ASSY., CONNECTING, US 0.25, OPT.  
BOLT, CONNECTING ROD  
*
1
2
2
CLIP, PISTON PIN 18MM  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 77  
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HONDA GX240K1QA2 ENGINE — RECOIL STARTER ASSY.  
RECOIL STARTER ASSY.  
PAGE 78 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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HONDA GX240K1QA2 ENGINE — RECOIL STARTER ASSY.  
RECOIL STARTER ASSY.  
NO.  
PART NO.  
PART NAME  
QTY.  
REMARKS  
1
28400ZE2W01ZB  
28410ZE2W01ZB  
28421ZE2W01  
28422ZE2W01  
28441ZE2W01  
28442ZE2W01  
28443ZE2W01  
28444ZE2W01  
28461ZE2W02  
28462ZE2W11  
90004ZE2W01  
90008ZE2003  
STARTER ASSY., RECOIL *NH1*, BLK ............... 1 ......... INCLUDES ITEMS W/  
*
2
CASE COMP., RECOIL STARTER *NH1*, BLK  
PULLEY, RECOIL STARTER  
RATCHET, STARTER  
SPRING, FRICTION  
SPRING, STARTER RETURN  
SPRING RATCHET  
RETAINER, SPRING  
GRIP, STARTER  
ROPE, RECOIL STARTER  
SCREW, CENTER  
BOLT, FLANGE 6X10  
1
1
2
1
1
2
1
1
1
1
3
*
3
*
4
*
5
*
6
*
7
8
*
*
10  
*
11  
*
13  
*
14  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 79  
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HONDA GX240K1QA2 ENGINE — LABEL ASSY.  
LABEL ASSY.  
PAGE 80 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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HONDA GX240K1QA2 ENGINE — LABEL ASSY.  
LABELS ASSY.  
NO.  
1
2
3
5
15  
16  
PART NO.  
PART NAME  
QTY.  
REMARKS  
87521ZE2W01  
87522ZE1810  
87522ZH9000  
87528ZE2810  
87586ZH7W00  
87532ZH8810  
EMBLEM, INTERNAL  
MARK, CAUTION, EXTERNAL  
LABEL, CAUTION  
1
1
1
1
1
1
MARK, CHOKE, EXTERNAL  
LABEL, FUEL CAUTION  
MARK, OIL ALERT  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 81  
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TERMS AND CONDITIONS OF SALE — PARTS  
5. Parts must be in new and resalable  
condition, in the original Multiquip  
package (if any), and with Multiquip part  
numbers clearly marked.  
Multiquip reserves the right to quote and  
sell direct to Government agencies, and to  
Original Equipment Manufacturer accounts  
who use our products as integral parts of their  
own products.  
PAYMENT TERMS  
Terms of payment for parts are net 30 days.  
FREIGHT POLICY  
6. The following items are not returnable:  
All parts orders will be shipped collect or  
prepaid with the charges added to the invoice.  
All shipments are F.O.B. point of origin.  
Multiquip’s responsibility ceases when a  
signed manifest has been obtained from the  
carrier, and any claim for shortage or damage  
must be settled between the consignee and  
the carrier.  
a. Obsolete parts. (If an item is in the  
price book and shows as being  
replaced by another item, it is  
obsolete.)  
SPECIAL EXPEDITING SERVICE  
A $35.00 surcharge will be added to the  
invoice for special handling including bus  
shipments, insured parcel post or in cases  
where Multiquip must personally deliver the  
parts to the carrier.  
b. Any parts with a limited shelf life  
(such as gaskets, seals, “O” rings,  
and other rubber parts) that were  
purchased more than six months  
prior to the return date.  
LIMITATIONS OF SELLER’S LIABILITY  
MINIMUM ORDER  
Multiquip shall not be liable hereunder for  
damages in excess of the purchase price of  
the item with respect to which damages are  
claimed, and in no event shall Multiquip be  
liable for loss of profit or good will or for any  
other special, consequential or incidental  
damages.  
The minimum charge for orders from Multiquip  
is $15.00 net. Customers will be asked for  
instructions regarding handling of orders not  
meeting this requirement.  
c. Any line item with an extended  
dealer net price of less than  
$5.00.  
d. Special order items.  
RETURNED GOODS POLICY  
e. Electrical components.  
f. Paint, chemicals, and lubricants.  
g. Decals and paper products.  
h. Items purchased in kits.  
Return shipments will be accepted and  
credit will be allowed, subject to the following  
provisions:  
LIMITATION OF WARRANTIES  
No warranties, express or implied, are  
made in connection with the sale of parts or  
trade accessories nor as to any engine not  
manufactured by Multiquip. Such warranties  
made in connection with the sale of new,  
complete units are made exclusively by a  
statement of warranty packaged with such  
units, and Multiquip neither assumes nor  
authorizes any person to assume for it  
any other obligation or liability whatever in  
connection with the sale of its products. Apart  
from such written statement of warranty,  
there are no warranties, express, implied or  
statutory, which extend beyond the description  
of the products on the face hereof.  
1. A Returned Material Authorization  
must be approved by Multiquip prior to  
shipment.  
7. The sender will be notified of any material  
received that is not acceptable.  
8. Such material will be held for five  
working days from notification, pending  
instructions. If a reply is not received  
within five days, the material will be  
returned to the sender at his expense.  
2. To obtain a Return Material Authorization,  
a list must be provided to Multiquip  
Parts Sales that defines item numbers,  
quantities, and descriptions of the items  
to be returned.  
9. Credit on returned parts will be issued  
at dealer net price at time of the original  
purchase, less a 15% restocking  
charge.  
a. The parts numbers and descriptions  
must match the current parts price  
list.  
b. The list must be typed or computer  
generated.  
10. In cases where an item is accepted, for  
which the original purchase document  
can not be determined, the price will be  
based on the list price that was effective  
twelve months prior to the RMA date.  
c. The list must state the reason(s)  
for the return.  
Effective: February 22, 2006  
d. The list must reference the sales  
order(s) or invoice(s) under  
which the items were originally  
purchased.  
11. Credit issued will be applied to future  
purchases only.  
PRICING AND REBATES  
e. The list must include the name  
and phone number of the person  
requesting the RMA.  
Prices are subject to change without prior  
notice. Price changes are effective on a  
specific date and all orders received on or  
after that date will be billed at the revised price.  
Rebates for price declines and added charges  
for price increases will not be made for stock  
on hand at the time of any price change.  
3. AcopyoftheReturnMaterialAuthorization  
must accompany the return shipment.  
4. Freight is at the sender’s expense. All  
parts must be returned freight prepaid to  
Multiquip’s designated receiving point.  
PAGE 82 —MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09)  
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NOTES  
MC94P/S CONCRETE MIXERS — OPERATION AND PARTS MANUAL — REV. #8 (03/06/09) — PAGE 83  
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OPERATION AND PARTS MANUAL  
HERE’S HOW TO GET HELP  
PLEASE HAVE THE MODEL AND SERIAL  
NUMBER ON-HAND WHEN CALLING  
UNITED STATES  
Multiquip Corporate Office  
MQ Parts Department  
18910 Wilmington Ave.  
Carson, CA 90746  
Contact: [email protected]  
Tel. (800) 421-1244  
Fax (800) 537-3927  
800-427-1244  
310-537-3700  
Fax: 800-672-7877  
Fax: 310-637-3284  
Mayco Parts  
Warranty Department  
800-306-2926  
310-537-3700  
Fax: 800-672-7877  
Fax: 310-637-3284  
800-421-1244, Ext. 279  
310-537-3700, Ext. 279  
Fax: 310-537-1173  
Fax: 310-631-5032  
Service Department  
Technical Assistance  
800-421-1244  
310-537-3700  
Fax: 310-537-4259  
800-478-1244  
MEXICO  
UNITED KINGDOM  
MQ Cipsa  
Multiquip (UK) Limited Head Office  
Carr. Fed. Mexico-Puebla KM 126.5  
Momoxpan, Cholula, Puebla 72760 Mexico  
Contact: [email protected]  
Tel: (52) 222-225-9900  
Fax: (52) 222-285-0420  
Hanover Mill, Fitzroy Street,  
Ashton-under-Lyne,  
Lancashire OL7 0TL  
Tel: 0161 339 2223  
Fax: 0161 339 3226  
Contact: [email protected]  
CANADA  
Multiquip  
4110 Industriel Boul.  
Laval, Quebec, Canada H7L 6V3  
Contact: [email protected]  
Tel: (450) 625-2244  
Fax: (450) 625-8664  
© COPYRIGHT 2009, MULTIQUIP INC.  
Multiquip Inc and the MQ logo are registered trademarks of Multiquip Inc. and may not be used, reproduced, or altered without written permission. All other trademarks are the property  
of their respective owners and used with permission.  
This manual MUST accompany the equipment at all times.This manual is considered a permanent part of the equipment and should remain with the unit if resold.  
The information and specifications included in this publication were in effect at the time of approval for printing. Illustrations, descriptions, references and technical data contained in  
this manual are for guidance only and may not be considered as binding. Multiquip Inc. reserves the right to discontinue or change specifications, design or the information published  
in this publication at any time without notice and without incurring any obligations.  
Your Local Dealer is:  
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