Stow Webcam SMC3PB User Manual

PARTS AND OPERATION MANUAL  
PORTO MIX  
MINI CONCRETE MIXER  
PLASTIC DRUM MODELS  
SMC3PE AND SMC3PB  
Revision #0 (08/08/03)  
STOWCONSTRUCTIONEQUIPMENT  
A DIVISION OF MULTIQUIP INC.  
POST OFFICE BOX 6254  
PARTS DEPARTMENT:  
800-427-1244  
FAX: 800-672-7877  
CARSON, CA 90749  
SERVICE DEPARTMENT/TECHNICAL ASSISTANCE:  
310-537-3700 • 888-252-STOW [888-252-7869]  
FAX:310-537-1986 • FAX:800-556-1986  
E-MAIL: [email protected] • WWW: stowmfg.com  
800-478-1244  
FAX:310-631-5032  
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HERE'S HOW TO GET HELP  
PLEASE HAVE THE MODEL AND SERIAL NUMBER  
ON-HAND WHEN CALLING  
PARTS DEPARTMENT  
800-427-1244 or 310-537-3700  
FAX: 800-672-7877 or 310-637-3284  
SERVICE DEPARTMENT  
800-478-1244  
FAX: 310- 537-4259  
TECHNICAL ASSISTANCE  
800-478-1244  
FAX: 310- 631-5032  
WARRANTY DEPARTMENT  
888-661-4279, or 310-661-4279  
FAX: 310- 537-1173  
STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/09/02) — PAGE 3  
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TABLE OF CONTENTS  
Here's How To Get Help ............................................ 3  
Table Of Contents ..................................................... 4  
Parts Ordering Procedures ....................................... 5  
STOW PORTO MIXER —  
Portable Concrete Mixer  
Safety Message Alert Symbols .............................. 6-7  
Rules For Safe Operation .................................... 8-10  
Operation and Safety Decals ............................. 11-12  
Specifications .......................................................... 13  
Dimensions (Mixer) ................................................. 14  
Dimensions (Electric Motor).................................... 15  
General Information ................................................ 16  
Mixer Components.................................................. 17  
Basic Engine ........................................................... 18  
Assembly Instructions ........................................ 19-20  
Pre-Inspection (Gasoline Engine) ........................... 21  
Initial Start-up (Electric Motor) ................................ 22  
Initial Start-up (Gasoline Engine)....................... 23-24  
Maintenance ...................................................... 25-27  
Preparation for Long-Term Storage........................ 28  
Troubleshooting (Engine)........................................ 30  
Troubleshooting (Engine/Mixer) .............................. 31  
Explanation Of Code In Remarks Column .............. 32  
Suggested Spare Parts ........................................... 33  
Nameplate and Decals....................................... 34-35  
Mixer Assembly (Plastic Drum) .......................... 36-39  
Terms and Conditions of Sale ................................. 40  
Specification and part number  
are subject to change without  
notice.  
PAGE 4 —STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03)  
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PARTS ORDERING PROCEDURES  
When ordering parts,  
please supply the following information:  
Dealeraccountnumber  
Dealernameandaddress  
Shipping address (if different than billing address)  
Returnfaxnumber  
Applicable model number  
Quantity,part number and description of each part  
Specifypreferredmethodofshipment:  
Note:Unlessotherwiseindicatedbycustomer, all  
orders are treated as “Standard Orders”, and will  
ship within 24 hours.We will make every effort to  
ship “Air Shipments” the same day that the order is  
received, if prior to 2PM west coast time. “Stock  
Orders” must be so noted on fax or web forms.  
FedEx or UPS Ground  
FedEx or UPS Second Day or Third Day  
FedEx or UPS Next Day  
Federal Express Priority One  
DHL  
Truck  
Place Your Parts Order Via Web or Fax  
For Even More Savings!  
Here’s how to get help...  
Please have the model and serial number on  
hand when calling.  
Parts Department  
Extra Discounts!  
800-427-1244  
310-537-3700  
Fax:800-672-7877  
Fax:310-637-3284  
All parts orders which include complete part numbers  
and are received by our automated web parts order  
system, or by fax qualify for the following extra  
discounts:  
Service Department  
800-478-1244  
310-537-3700  
Fax:310-537-4259  
Fax:310-537-1173  
Fax:310-604-9237  
Ordered  
via  
Standard  
orders  
Stock orders  
($750 list and above)  
Warranty Department  
800-421-1244, Ext. 279  
310-537-3700, Ext. 279  
Fax  
3%  
5%  
10%  
10%  
Web  
Sales Department  
310-661-4242  
877-289-7869 (877-BUY-STOW)  
Special freight allowances  
when you order 10 or more  
line items via Web or Fax!**  
FedEx Ground Service at no charge for freight  
No other allowances on freight shipped by any other  
carrier.  
NOTE:DISCOUNTSARESUBJECTTOCHANGE  
Direct TOLL-FREE access  
to our Parts Department:  
Toll-free nationwide — 800-427-1244  
STOWCONSTRUCTIONEQUIPMENT  
A DIVISION OF MULTIQUIP INC.  
POST OFFICE BOX 6254  
CARSON, CA 90749  
310-537-3700 • 888-252-STOW [888-252-7869]  
FAX:310-537-1986 • FAX:800-556-1986  
E-MAIL: [email protected] • WWW: stowmfg.com  
STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03) — PAGE 5  
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STOW PORTO 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  
NEVER operate equipment with covers, or  
guards removed. Keep fingers, hands, hair and  
clothing away from all moving parts to prevent  
injury.  
efficient operation of the STOW  
Models SMC3PE and SMC3PB  
Portable Concrete Mixers.  
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 pump, other property, or the  
surrounding environment.  
do not follow directions.  
Potential hazards associated with the STOW PORTO MIXER  
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 6 —STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03)  
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STOW PORTO MIXER— SAFETY MESSAGE ALERT SYMBOLS  
Accidental Starting  
Respiratory Hazard  
ALWAYS place the engine ON/OFF switch in  
the OFF position, and remove the ignition key  
when the machine is not in use.  
ALWAYS wear approved respiratory  
protection.  
Equipment Damage Messages  
Sight and Hearing hazard  
Other important messages are provided throughout this manual  
to help prevent damage to your mixer, other property, or the  
surrounding environment.  
ALWAYS wear approved eye and hearing  
protection.  
This mixer, other property, or the  
surrounding environment could  
be damaged if you do not follow  
instructions.  
STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03) — PAGE 7  
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RULES FOR SAFE OPERATION  
NEVERtouchthehotexhaustmanifold,  
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 Porto Mixer:  
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. Remember the  
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 STOW for this equipment. Damage to the  
equipment and/or injury to user may result.  
Manufacturer does not assume responsibility for any accident  
due to equipment modifications.  
PAGE 8 —STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03)  
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RULES FOR SAFE OPERATION  
NEVER Run engine without air cleaner. Severe engine  
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.  
damage may occur.  
ALWAYS read, understand, and follow procedures in  
Operator’s Manual before attempting to operate equipment.  
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.  
ALWAYS be sure the operator is familiar with proper safety  
precautions and operations techniques before using roller.  
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.  
If mixer is equipped with an electric motor, operate only at  
120VAC, 60 Hz.  
NEVER leave the mixer unattended, turn off engine or electric  
motor when unattended.  
Make sure the OFF/ON power switch is always in the OFF  
position before inserting the mixer's power plug into an AC  
receptacle (electric model only).  
CAUTION must always be observed while servicing this mixer.  
Rotating parts can cause injury if contacted.  
Unauthorized equipment modifications will void all  
warranties.  
Maintenance Safety  
NEVER lubricate components or attempt service on a running  
machine.  
Ensure that any trailing cable is protected against damage  
and not liable to be tripped over or trapped underneath the  
mixer.  
ALWAYS allow the machine a proper amount of time to cool  
before servicing.  
Ensure any extention cables must be no longer than 30 meters  
(100 feet) in length and that the wire section is 2.5 mm 2.  
Keep the machinery in proper running condition.  
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  
or fluids.  
Dispose of hazardous waste properly.Examples of potentially  
hazardous waste are used motor oil, fuel and fuel filters.  
DO NOT spray water onto electric motor.  
DO NOT expose power tools to rain or wet conditions.  
DO NOT use food or plastic containers to dispose of  
hazardous waste.  
This mixer is intended for the production of concrete, mortar  
and plaster. 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.  
NEVER operate the mixer in an explosive atmosphere.  
Before starting the mixer, check that all guards are in position  
and correctly fitted.  
DO NOT tip mixer onto drum mouth when the motor is running.  
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 machine before  
operating.  
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).  
STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03) — PAGE 9  
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RULES FOR SAFE OPERATION  
Emergencies  
ALWAYS know the location of the nearest fire extinguisher.  
ALWAYS know the location of the nearest first aid kit.  
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.  
PAGE 10 —STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03)  
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OPERATION AND SAFETY DECALS  
Machine Safety Decals  
The STOW PORTO MIXER is equipped with a number of safety decals. 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.  
P/N: DCL300  
(Decal is Molded Into Tub)  
STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03) — PAGE 11  
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OPERATION AND SAFETY DECALS  
WARNING!  
1. Read owner’s manual before operating mixer.  
ADVERTENCIA!  
1. Lea el manual de operació antes de usar la mezcladora.  
AVERTISSEMENT!  
1. Lisez le manual d’ utilisation avant d’ utiliser le le malaxeur.  
2. Keep unauthorized and untrained people away  
from mixer during operation.  
3. Make sure all safety devices (guards) are in place  
before mixer is started.  
2. Mantenga personas que no estén autorizadas o capacitadas  
alejades de la mezcladora durante el funcionamiento de la  
máquina.  
2. Seul un personnel qualifié peut être authorisé à se trouver à proximité  
du malaxeur quand il est en opération.  
3. Assurez vous que tous les dispositifs de sécurité sont en place avant  
de mettre le malaxeur en marche.  
3. Asegúreseque todos los aparatos de seguridad estén  
trabajando apropiadamente antes de usar la mezcladora.  
4. Keep hands and fingers away from moving objects.  
4. Gardez les mains et doigts loin de toute piè en mouvement.  
4. Mantenga las monos y dedos alejados de objetos en moviminto.  
5. NEVER leave mixer unattended when operating.  
6. ALWAYS check V-belt before starting mixer.  
5. NE LAISSEZ jamais le malaxeur sans surveillance quand il est en  
opération.  
5. NUNCA se aleje de la mezclaora mientras ésta, este trabajando!  
6. SIEMPRE inspeccione la banda antes de encender la mezcladora. 6. VEUILLEZ toujours vérifier la courroie avant de mettre le malaxeur  
en marche.  
GASOLINE ENGINE  
Make sure engine is turned off and spark plug wire is  
disconnected before cleaning mixer.  
MOTEUR À ESSENCE  
Assurez vous que le moteur est arrêté et que le fil de la bougie est  
débranché avant de nettoyer le malaxeur.  
MÁQUINAS DE GASOLINA  
Asegure que la máquina este apagada y el alambre de la bujía  
este desconectado antes de empezar a limpiar la mezcladora.  
N’ UTILISEZ pas le malaxeur dans un endroit fermé, il est nécessaire  
de travailler dans un endroit avec une bonne aération.  
DO NOT operate mixer in an enclosed area, proper  
ventilation is required.  
NO encienda la mezcladora en una área cerrada; es necesario  
estar en una área que tenga apropiada ventilación.  
VEUILLEZ toujours vé la courroie avant de mettre le malaxeur en  
marche.  
ALWAYS stop the engine and allow engine to cool before  
adding fuel or oil.  
SIEMPRE apague la máquina y permita que se enfrie antes de  
ponerle gasolina o aceite.  
VÉRIFIEZ toujours le niveau d’essence et d’huile ainsi que le filtre à  
air avant de mettre le moteur en marche.  
ALWAYS check fuel, oil and air filter before starting engine.  
SIEMPRE revise la gasolina, aceite, y el filtro del air antes de  
encender la máquina.  
ELECTRIC MOTOR  
Make sure power cord has been disconnected from power  
source before cleaning mixer.  
MOTOR ELÉCTRICO  
Asegúrese que el cable de corriente esté de empezar a limpiar  
la mezcladora.  
MOTEUR ÉLECTRIQUE  
Assures vous toujours que le cable a été débranché de la prise de  
courant avant de nettoyer le malaxeur.  
Este motor elétrico está solamente capacitado para corriente  
alterna de 115 voltios.  
This electric motor is for 115 VAC operation only.  
Ce moteur électrique à été conçu pour opération à 115 volts seulement.  
ALWAYS use an extension cord of proper size, see chart  
below:  
SIEMPRE use el tamaño de extensiones de alambre indicado  
como muestra el diagrama abajo:  
Il faut toujours utiliser une rallonge de taille appropriée, veuillez s’il vous  
référer au diagramme suivant:  
TAMAÑO DE EXTENSIÓN  
TAILLE DE LA RALLONGE  
EXTENSION CORD SIZE  
Alambre  
Alambre  
Numéro 6  
Cable  
Cable  
Cable  
Cable  
Numéro 6  
Alambre  
Numéro 12  
Alambre  
No. 12 Wire  
No. 10 Wire  
No. 6 Wire  
200 feet  
No. 8 Wire  
Numéro 10  
Numéro 12  
Numéro 10  
Numéro 8  
Numéro 8  
75 feet  
50 feet  
100 feet  
200 pies  
75 pies  
100 pies  
50 pieds  
50 pieds  
50 pies  
50 pieds  
50 pieds  
(22.86 meters)  
(15.24 meters)  
(30.48 meters) (60.96 meters)  
(22.86 metros) (30.48 metros) (60.96 metros)  
(15.24 métres)  
(15.24 métres)  
(15.24 métres) (15.24 métres)  
(15.24 metros)  
REMOVE BOLT AND FILL  
WITH EP. 90 GEAR OIL  
NEVER! OPERATE MIXER WITH  
V-BELT COVER REMOVED.  
ELECTRIC  
MOTOR  
REMOVER EL TORÑILLO Y  
LLENAR CON ACEITE DE  
ENGRNAJE EP. 90  
NUNCA! MANEJE LA MEZCLADORA  
SIN LA COBERTURA DE BANDA-V  
REMOVIDA.  
MOTOR  
ELÉCTRICO  
ELECTRIC  
MOTOR  
MOTEUR  
ÉLECTRIQUE  
ÔTEZ LE BOULON ET  
REMPLISSEZ AVEC DE I’HUILE  
EP. 90 À ENGRENAGES  
N’ UTILISEZ! JAMAIS LE MALAXEUR  
SANS LE COUVERCLE DE LA COURROIE.  
MOTOR  
ELÉCTRICO  
MOTEUR  
ÉLECTRIQUE  
CHECK DAILY  
REVISAR DIARIO  
VÉRIFIEZ QUOTIDIENNEMENT  
DCL250  
P/N DCL250  
PAGE 12 —STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03)  
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STOW PORTO MIXER— SPECIFICATIONS  
Table 1. Specifications (Engine & Electric Motor)  
Model  
BRIGGS & STRATTON 91200  
BALDOR 17LYE304  
4-stroke, Vertical valve, Single  
Cylinder  
3/4 HP, 120 VAC, Single  
Phase Electric Motor  
Type  
2.56 in. x 1.75 in.  
(65.1 mm x 44.4 mm)  
Bore X Stroke  
N/A  
Displacement  
9.0 cu. in. (148 cc)  
3.5 HP at 3,600 R.P.M.  
1,800 100 R.P.M.  
N/A  
3/4 H.P./3,450 RPM  
N/A  
Max Output  
Engine/Electric Motor  
Standard Idle Speed  
Approx. 0.5 U.S. Gallons  
(1.89 Liters)  
Fuel Tank Capacity  
N/A  
Fuel  
Unleaded Gasoline  
2 U.S. Quarts (1.89 Liters)  
Centrifugal Fly-weight Type  
Recoil Start  
N/A  
N/A  
N/A  
N/A  
Lube Oil Capacity  
Speed Control Method  
Starting Method  
12.5 x 11.47 x 12.18 in.  
(317.5 x 291.4 x 309.4 mm)  
11.75 x 6.0 X 8.0 in.  
(298 X 152 X 203 mm)  
Dimensions (L x W x H)  
Dry Net Weight  
20.3 lbs (9.2 kg)  
Approx. 12 lbs. (5.4 Kg.)  
Table 2. Porto Mixer Specifications  
Height  
34 in. (863.6 mm)  
Width  
23-5/8 in. (584.2 mm)  
48-1/2 in. (1,219.2 mm)  
35 lbs. (15.9 Kg)  
Length  
Stand Weight  
Maximum Drum Capacity  
4.5 cu. ft. (0.13 m3)  
3.0 cu. ft. (0.08 m3)  
129 lbs. (58.5 Kg)  
138 lbs. (62.6 Kg)  
Maximum Mixing Capacity (1/2 bag)  
Unladen Weight - Electric Motor  
Unladen Weight - Gasoline Engine  
STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03) — PAGE 13  
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STOW PORTO MIXER— DIMENSIONS (MIXER)  
PAGE 14 —STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03)  
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STOW PORTO MIXER— DIMENSIONS (ELECTRIC MOTOR)  
Figure 2. Electric Motor  
STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03) — PAGE 15  
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STOW PORTO MIXER— GENERAL INFORMATION  
PORTABLE GENERATORS  
APPLICATION  
This mixer is only intended for the production of concrete  
and mortar. The mixer must be used for its intended  
purposes and is not suitable for the mixing of flammable or  
explosive substances. The mixer must not be used in an  
explosive atmosphere.  
When using a portable generator it must have a minimum  
output of 2.5 kw and be continuous rated.  
GEARBOX  
The gearbox oil level has been preset at the factory prior to  
shipping. Before inspecting the gearbox oil level (Figures 30  
and 31), make sure the gearbox is cold before removing the  
filler plug. Fill up with EP90. or similar gear oil.  
POWER PLANTS  
This portable mixer is powered by either a Briggs and Stratton  
4-stroke, verticle valve, single cylinder, gasoline engine rated  
at 3.5 hp @3,600 rpm. or a 0.75 hp electric motor.  
TRANSPORTINGTHE MIXER  
Use a ramp (Figure 3) to load and unload the mixer from the  
transport vehicle. Never drop the mixer onto the ground; damage  
to the mixer could result.  
DRUM ASSEMBLY  
The drum is instantly removable by unscrewing counter-  
clockwise. When inserting drum onto gearbox shaft, make sure  
that drum is fully screwed onto shoulder or threads may be  
damaged. Use extreme care when screwing on the drum,  
spinning drum onto the gearbox shaft too fast may damage  
gearbox.  
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.  
Always make sure that OFF/ON switch on the electric motor  
is in the OFF position before applying power.  
It is strongly recommended that when plugging in the  
mixer's power cord into a receptacle, that a G.F.C.I.(Ground  
Fault Current Interrupter) receptacle be used.  
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 as Reference in  
Table 5. Remember distance affects the wire size of the  
extension cable.  
Ensure that the extension cable is carefully laid out avoid-  
ing wet areas, sharp edges and locations where vehicles  
might run over it. Avoid allowing the extension cable to be  
trapped underneath the mixer.  
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.  
Figure 3. Mixer Loading  
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STOW PORTO MIXER— MIXER COMPONENTS  
Figure 4 shows the basic components of the STOW Porto  
Mixer.  
Figure 4. Mixer Components  
Table 3. MIXING HINTS  
BATCH QUANTITIES  
APPROX. BATCH  
OUTPUT  
MIX  
RATIOS  
CEMENT 112 lbs.  
SAND  
CU. FT.  
STONE  
CU. FT.  
APPLICATIONS  
(50 Kgs.)  
Bag  
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  
1-1/4  
1-1/4  
1-1/4  
2-1/2  
2-1/2  
2-1/2  
Most Ordinary  
Foundations  
35  
71  
2-3/4  
2-3/4  
78  
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.  
STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03) — PAGE 17  
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STOW PORTO MIXER— BASIC ENGINE  
Figure 5. Engine Controls and Components  
INITIAL SERVICING  
6. Throttle Lever – Used to adjust engine RPM speed (lever  
advanced forward SLOW, lever back toward operator  
FAST).  
The engine (Figure 5) must be checked for proper lubrication and  
filled with fuel prior to operation. Refer to the manufacturers engine  
manual for instructions and details of operation and servicing.The  
engine shown above is a Briggs and Stratton engine, operation  
for other types of engines may vary somewhat.  
7.  
Choke Lever – Used in the starting of a cold engine, or in  
cold weather conditions. The choke enriches the fuel  
mixture.  
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.  
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.  
DANGER  
Adding fuel to the tank should be done only when  
the engine is stopped and has had an opportunity to  
cool down. In the event of a fuel spill, DO NOT  
8.  
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.  
attempt to start the engine until the fuel residue has been completely  
wiped up, and the area surrounding the engine is dry.  
9. Spark Plug – Provides spark to the ignition system. Set  
spark plug gap to 0.6 - 0.7 mm (0.024 - 0.028 inch) Clean  
spark plug once a week.  
2. Fuel Tank – Holds unleaded gasoline. For additional  
information refer to engine owner's manual.  
10. Muffler - Used to reduce noise and emissions.  
3. Recoil Starter (pull rope) – Manual-starting method. Pull  
the starter grip until resistance is felt, then pull briskly and  
smoothly.  
WARNING  
4. Oil Drain Plug – Remove this plug to remove oil from the  
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.  
engine's crankcase.  
5. Dipstick/Oil Filler Cap – Remove this cap to determine if  
the engine oil is low. Add oil through this filler port as  
recommended in Table 4.  
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STOW PORTO MIXER— ASSEMBLY INSTRUCTIONS  
Assembly  
1. Removethemixerdrum andassociatedcomponentsfrom  
the packing container (Figure 6). Match the components  
againstthepartslisttomakesurethattheyareallaccounted  
for.  
Figure 6. Packing Container  
Figure 8. Mixing Drum Placement  
2. Placethemixerframeonasecurelevelsurface,andattach  
the top cover as shown in Figure 7.  
4. Place the two halves of the optional support stand together  
(Figure9).Theleftsupportstandfitsintothecenterbosson  
therightsupportstand.  
5. InserttheadapterpinthroughbossesasshowninFigure9.  
Oncetheadapterpinhasbeeninsertedandaligned, insert  
the locking pin. Place the round part of the locking pin over  
the bottom section of the adapter pin.  
Figure 7.Top Cover Placement  
3. Fit the mixing drum onto gearbox shaft as shown in Figure  
8.Rotatedruminaclockwisedirection,makesurethedrum  
fits right up to the shoulder on the gearbox shaft.  
CAUTION  
Figure 9. Optional Support Stand  
DO NOT spin the drum on fast, as this may  
damage the gearbox.  
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STOW PORTO MIXER— ASSEMBLY INSTRUCTIONS  
6. Tip mixer onto mouth as shown in Figure 10, and insert  
support stand into frame swivel point.  
9. Before attempting to lift mixer, locate the frame locking clip.  
AttachthelockingclipasshowninFigure12.Thiswillprevent  
the mixing drum from moving when the mixer is positioned  
in an upright position.  
Figure 12. Frame Locking Clip  
10. DO NOT tilt the mixer on a wet, smooth or slippery surface.  
Figure 10. Attaching Support Stand  
7. Removebothwheelsandwheelretainersfromthepacking  
container.  
8. Placeonewheeloneachsideof themixer'saxleasshown  
in Figure 11. Position washer over axle to secure wheel in  
place. Insert cotter pin to lock wheel in place.  
Figure 13. Slippery or Wet Surfaces  
11. Oncethestandhasbeenassembled,andthelockingcliphas  
been secured, begin tilting the mixer to an upright position.  
Remember always tilt from the front of the mixer as shown  
in Figure 14.  
Figure 11.Wheels and Wheel Retainers  
Figure 14.Tilting Mixer to Upright Position  
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STOW PORTO MIXER— PRE-INSPECTION (GASOLINE ENGINE)  
3. Insertandremovethedipstickwithoutscrewingitintothefiller  
CAUTION  
neck. Check the oil level shown on the dipstick.  
NEVER operate the mixer in  
a confined area or enclosed  
area structure that does not  
provide ample free flow of air.  
4. Iftheoillevelislow(Figure16), filltotheedgeoftheoilfiller  
holewiththerecommendedoiltype(Table4).Maximum oil  
capacity is 0.48 quarts (.45 liters)  
ALWAYS wear approved eye and hearing  
protection before operating the mixer.  
NEVER place hands inside drum while the  
engine is running.ALWAYS shut the engine  
down before performing any kind of  
maintenance service on the mixer.  
Figure 16. Engine Oil Dipstick (Oil Level)  
Table 4. Oil Type  
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  
Before Starting  
1.  
2.  
Read safety instructions at the beginning of manual.  
Clean the mixer, removing dirt and dust, particularly the  
engine cooling air inlet, carburetor and air cleaner.  
0°C or Lower  
3.  
4.  
5.  
Check the air filter for dirt and dust. If air filter is dirty, replace  
air filter with a new one as required.  
Check carburetor for external dirt and dust. Clean with dry  
compressed air.  
Explosive Fuel  
Check fastening nuts and bolts for tightness.  
Fuel Check  
Engine Oil Check  
Motor fuels are highly flammable and can be dangerous if  
mishandled. DO NOT smoke while refueling. DO NOT attempt  
to refuel the mixer 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 15) and wipe 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 the V-  
belt as outlined in the maintenance section of this manual.  
Figure 15. Engine Oil Dipstick (Removal)  
STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03) — PAGE 21  
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STOW PORTO MIXER— INITIAL START-UP (ELECTRIC MOTOR)  
5. Plug the other end of the extension cord into a 120 VAC  
G.F.C.I.protected receptacle. Rememberthepowerrequire-  
ments for this electric motor is 120VAC, 60 Hz. The use of  
any other input voltage will severely damage the motor.  
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.  
WARNING:  
ALWAYS read the label on the electric motor  
before applying power. The label will indicate  
the proper power requirements for the motor.  
Remember the use of any other input voltage  
will severely damage the motor.  
1. Before starting, make sure mixer is positioned on a secure  
flatsurfacetopreventtipping.  
2. Use an extension cord (see Table 5) of adequate current  
carryingcapacity,insert theelectricmotor'spowerplug into  
one end of the extension cord.  
WARNING:  
To prevent tripping (Figure 18) of both the mixer  
and personnel, position the extension cord so  
that it lays flat and is not curled underneath the  
mixer.  
3. NEVER! use a worn or frayed extension cord.  
4. NEVER! operate mixer withV-belt cover removed.  
Table 5. Extension Cord Size  
No. 12 Wire  
No. 10 Wire  
No. 8 Wire  
No. 6 Wire  
50 (feet)  
75 (feet)  
100 (feet)  
200 (feet)  
(15.24 meters) (22.86 meters (30.48 meters (60.96 meters  
Figure 18. Mixer (Tripping)  
DANGER  
6. Thedrumshouldberotatingallowing themixingprocess to  
begin. Use a shovel (Figure 19) to place the cement mix  
inside the drum, add water as required. Be careful to only  
placethetipoftheshovelinsidethedrum.Placingtheshovel  
allthewayinsidethedrumwillcausetheshoveltostrikethe  
blades. Thisconditionwillmaketheshovelrotate,andcould  
cause injury to personnel.  
NEVER! touch the power cord (Figure 17)  
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.  
WET  
HANDS  
POWER  
CORD  
(POWER ON)  
Figure 19. Mixing Drum (Placing Cement Mix)  
6. SeeTable3formixinghints.NEVER!placehandsinsidethe  
Figure 17. Extension Cord (Wet Hands)  
drum while the drum is rotating.  
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STOW PORTO MIXER— INITIAL START-UP (GASOLINE ENGINE)  
4. Grasp the starter grip (Figure 23) and slowly pull it out.The  
resistancebecomesthehardestatacertainposition,corre-  
sponding to the compression point. PULL the starter grip  
briskly and smoothly for starting.  
DO NOT attempt to operate the mixer until  
the Safety, General Information and  
Inspection sections of this manual have  
been read and thoroughly understood.  
This section is intended to assist the operator with the initial  
start-up of the walk-behind trowel. It is extremely important that  
this section be read carefully before attempting to use the trowel  
in the field.  
Starting the Engine (BRIGGS & STRATTON)  
1. Placethechoke lever(Figure21)intheCHOKE (CLOSED)  
position if starting a cold engine.  
Figure 23. Starter Grip  
7. Iftheenginehasstarted,slowlyreturnthechokelever tothe  
RUN (OPEN) position if needed (Figure 24 ). If the engine  
has not started repeat steps 1 through 4.  
Figure 20. Engine Choke Lever (Closed)  
2. Place the choke lever (Figure 20) in the RUN (OPEN)  
position if starting a warm engine engine or if the  
temperature is warm.  
Figure 24. Engine Choke Lever (Closed)  
8. Beforethemixerisplacedintooperation,runtheenginefor  
several minutes. Check for fuel leaks, and noises that  
would associate with a loseV-belt cover or component.  
Figure 21. Engine Choke Lever (Open)  
9. To begin mixing, place the throttle lever (Figure 25) in the  
3. Placethethrottlelever(Figure22)inthe"TURTLE" (IDLE)  
"RABBIT" (FAST) position  
position.  
Figure 22. Throttle Lever (Idle Position)  
Figure 25. Throttle Lever (Fast Position)  
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STOW PORTO MIXER— INITIAL START-UP (GASOLINE ENGINE)  
Stopping The Engine  
Normal Shutdown  
1. Move the throttle lever to the "TURTLE" (IDLE) position  
(Figure26)andruntheengineforthreeminutesatlowspeed.  
Figure 26. Throttle Lever (Idle Position)  
2. Aftertheenginecools,movethethrottlelever tothe STOP  
position (Figure 27).  
Figure 27. Throttle Lever (Stop Position)  
Emergency Showdown  
1. Move the throttle lever quickly to the OFF position (Figure  
28).  
Figure 28. Throttle Lever (Stop Position)  
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STOW PORTO MIXER— MAINTENANCE  
Maintenance  
5. Insert oil filler plug and tighten.  
Gearbox Oil Check  
1. Positionthe mixeronalevel surface and place asupport block  
under thefrontofthemixer frameas showninFigure29.This  
will level the mixer.  
2. NEVER! check the gearbox oil level with the mixer tilted up or  
down.ALWAYS check the gearbox oil level with the mixer in a  
level position.  
Figure 30. Gearbox Oil Level Check  
V-Belt Check  
1. To adjustV-belts, removeV-belt cover and loosen the main  
motor mount bolts (Figure 31), raise electric motor and  
retighten bolts. Belt tension should be adjusted so that the  
maximum deflection is approximately 3/8 inch (10 mm).  
2. ReplaceV-beltcover.  
Figure 29. Mixer Positioning (Gearbox Oil Level)  
CAUTION :  
Figure 31. V-belt Adjustment  
Gerarbox Removal  
Check the gearbox oil level monthly before  
operating mixer. Low oil level or no oil will  
severely damage gearbox.  
1. Remove drum by turning counter-clockwise to release from  
gearboxshaft.  
3. Beforeinspectingthegearboxoillevel,makesurethegearbox  
iscoldbeforeremovingthefillerplug.Hot!oilcanburnskinand  
cause injury.Let oil cool before checking.  
2. Remove pulley, remember the nut securing the pulley is  
left-handthreaded.Removecirclip, anddrawoutshaft.  
3. Remove the 5 bolts securing rear plate.  
4. Removegearboxoilfillerplug (Figure30)andfillwithEP90or  
similargearoiltothelevelofthefillerplug.Replacegearboxoil  
every 3,000 hours. Gerabox oil capacity is 8-10 ounces.  
4. Reassembleinreverseorder,takingcaretoensuregearteeth  
aremeshedcorrectly.  
STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03) — PAGE 25  
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STOW PORTO MIXER— MAINTENANCE (GASOLINE ENGINE)  
Table 6. 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 BRIGGS AND STRATTON Shop Manual for service procedures  
(3) For commercial use, log hours of operation to determine proper maintenance intervals.  
Reference manufacturer engine  
manual for specific servicing  
instructions.  
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STOW PORTO MIXER— MAINTENANCE (GASOLINE ENGINE)  
DANGER :  
Maintenance  
Perform the scheduled maintenance procedures as definded 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  
1. Remove the air cleaner cover and foam filter element as  
shown in Figure 34.  
WEEKLY  
Remove the fuel filter cap and clean the inside of the fuel  
tank.  
2. Cleanfoamelementinwarm,soapywaterornonflammable  
solvent. Rinseanddrythoroughly. Diptheelementinclean  
engineoilandcompletelysqueezeouttheexcessoilfromthe  
element before installing.  
Remove or clean the filter at the bottom of the tank.  
Remove and clean the spark plug (Figure 32), 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.  
Figure 32. Spark Plug Gap  
ENGINEOIL  
1. Drain the engine oil when the oil is warm as shown in  
Figure 33.  
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 4. Engine oil capacity is .48 quarts (0.45 liters).  
DO NOT overfill.  
Figure 34. Engine Air Cleaner  
4. Install drain bolt with sealing washer and tighten securly.  
Figure 33. Engine Oil (Draining)  
STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03) — PAGE 27  
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STOW PORTO MIXER— PREPARATION FOR LONG -TERM STORAGE  
Mixer Storage  
For storage of the mixer for over 30 days, the following is  
recommended:  
z
Drain the fuel tank completely, or add STA-BIL to the  
fuel.  
z
z
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.  
z
z
Clean the entire mixer and engine compartment.  
Cover the mixer and place it a clean dry area, that is  
protected from harsh elements.  
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NOTE PAGE  
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STOW PORTO MIXER— TROUBLESHOOTING (ENGINE)  
TABLE 7. 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.  
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STOW PORTO MIXER— TROUBLESHOOTING (ENGINE/MIXER)  
TABLE 7. 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 8. MIXER TROUBLESHOOTING  
SYMPTOM  
POSSIBLE PROBLEM  
SOLUTION  
Check that the gears and bearings are not worn . Replace as  
necessary.  
Defective gearbox?  
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.  
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 gearbox?  
Defective motor?  
Replace motor.  
STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03) — PAGE 31  
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STOW PORTO MIXER— EXPLANATION OF CODE IN REMARKS COLUMN  
How to read the marks and remarks used in this parts  
book.  
The contents of this parts  
catalog are subject to change  
without notice.  
NOTE  
Items Found In the “Remarks” Column  
Serial Numbers-Where indicated, this indicates a serial  
number range (inclusive) where a particular part is used.  
Model Number-Where indicated, this shows that the  
corresponding part is utilized only with this specific model  
number or model number variant.  
Items Found In the “Items Number” Column  
All parts with same symbol in the number column, , #,  
, belong to the same assembly or kit.  
+
, %, or  
*
Note: If more than one of the same reference number is listed,  
the last one listed indicates newest (or latest) part available.  
If more than one of the same  
NOTE  
reference number is listed, the  
last one listed indicates newest  
(or latest) part available.  
PAGE 32 —STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03)  
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STOW PORTO MIXER — SUGGESTED SPARE PARTS  
STOW PORTO MIXER 1 TO 3 UNITS  
1 to 3 Units  
Qty.  
P/N  
Description  
2 ............ DM1840 ................ V-BELT, A23 (ELECTRIC MOTOR)  
2 ............ MS-01 ................... V-BELT, A24 (GASOLINE)  
STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03) — PAGE 33  
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STOW PORTO MIXER — NAME PLATE AND DECALS  
NAME PLATE AND DECALS  
PAGE 34 —STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03)  
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STOW PORTO MIXER — NAME PLATE AND DECALS  
NAME PLATE AND DECALS  
NAMEPLATE AND DECALS.  
NO  
PART NO  
PART NAME  
QTY.  
REMARKS  
1
2
3
DCL300  
DECAL:WARNING STOW  
DECAL: STOW PORTO MIX ..................... 1 ............ INCLUDED WITHTUB  
DECAL: NAMEPLATE ............................... 1 ............ CONTACT MQ PARTS DEPT.  
1
4
DCL250  
DECAL:WARNING MAINTENANCE  
1
SEE DECAL ILLUSTRATIONS ON PAGES 11 AND 12.  
STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03) — PAGE 35  
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STOW PORTO MIXER — MIXER ASSY. (PLASTIC DRUM)  
MIXER ASSY. (PLASTIC DRUM)  
PAGE 36 —STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03)  
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STOW PORTO MIXER — MIXER ASSY. (PLASTIC DRUM)  
MIXER ASSY. (PLASTIC DRUM)  
NO.  
1#  
2#  
3#  
4#  
5#  
6#  
7
9#  
10#  
11  
12  
13  
14  
15  
16  
17  
18#  
19#  
20#  
21#  
22#  
23#  
24  
25  
26  
26A  
26B  
27  
PART NO.  
DM3150  
DM1356  
DM1912  
DM355  
PART NAME  
QTY.  
REMARKS  
HEX HEAD BOLT M12 x 70  
OIL FILLER PLUG M14 x 2 x 15L  
HEX NUT M10  
HEX HEAD BOLT M8 x P1.25 x 24L  
FLAT WASHER M12  
HEX NUT M12  
TOGGLE SWITCH  
GEAR BOX BACK COVER  
GEAR BOX SEAL  
1
1
2
3
2
1
1
1
DM3151  
DM3152  
SP9012  
DM1320  
DM1357  
DM1380  
DM1821  
DM1822  
DM2020  
DM1840  
DM1332  
DM1810  
DM1353  
DM1352  
DM1331  
DM1310  
DM1351  
DM1333  
DM1351  
DM1741  
DM1730  
DM1740  
DM1742  
DM1641  
DM2021  
DM1911  
DM1141  
BELT GUARD  
1
DRIVE PULLEY........................................ 1 ......... ELECTRIC MOTOR ONLY  
SET SCREW M6 x 12L  
BOLT M6 x 18  
V-BELT, A23 ............................................. 1 ......... ELECTRIC MOTOR ONLY  
NUT M12  
GEARBOX PULLEY  
OIL SEAL 20 x 42.5 x 10  
BEARING RACE 6004  
WORM GEAR  
GEARBOX CASE  
BEARING RACE 6006  
GEAR & SHAFT  
BEARING RACE 6006  
WASHER  
WHEEL, PNEUMATIC  
AXLE  
COTTER PIN  
HEX NUT M8  
NUT  
HEX HEAD BOLT M10 x P1.5 x 40L  
DRUM LOCK  
1
2
1
1
1
1
1
1
1
1
1
2
2
1
2
2
2
3
1
28  
29  
30  
STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03) — PAGE 37  
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STOW PORTO MIXER — MIXER ASSY. (PLASTIC DRUM)  
MIXER ASSY. (PLASTIC DRUM)  
PAGE 38 —STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03)  
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STOW PORTO MIXER — MIXER ASSY. (PLASTIC DRUM)  
MIXER ASSY. (PLASTIC DRUM)  
NO.  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49#  
50  
51  
52  
53  
54  
55  
56  
PART NO.  
DM1527  
DM1524  
DM1510  
DM1531  
DM1613  
DM1630  
DM1631  
DM1632  
DM1620  
DM1640  
DM1221  
DM1212  
DM1213  
DM1231  
DM3050  
DM3051  
DM3000  
912321040E1  
DM1358  
34579  
PART NAME  
QTY.  
12  
12  
1
REMARKS  
HEX NUT M10  
BOLT  
PLASTIC BARREL  
BLADE, BARREL  
HANDLE GRIP, RUBBER  
TOP COVER CLAMP  
SCREW 5.5 x 25  
2
2
2
2
2
1
2
1
1
1
1
4
4
1
LOCKWASHER  
TOP COVER, PLASTIC  
BOLT M8 SPECIAL DOME HEAD  
STAND, ADAPTER  
STAND, BOTTOM LH (2 BOSS)  
STAND, BOTTOM RH (1 BOSS)  
CLIP LINCH PIN  
NUT M8BOLT M8 x 35  
BOLT M8 x 35  
ENGINE MOUNT (GASOLINE)  
ENGINE, 3.5 HP BRIGGS & STRATTON 1  
RETAINER RING  
MOTOR, ELECTRIC 3/4 H.P.  
GEARBOX ASSEMBLY............................ 1 ......... INCLUDES ITEMS/#  
V-BELT, A24 ............................................. 1 ......... GASOLINE ENGINE ONLY  
DRIVE PULLEY........................................ 1 ......... GASOLINE ENGINE ONLY  
MOUNTING PLATE  
SEAL, OIL  
1
1
DM1300  
MS01  
EM901006  
DM1521  
DM1354  
DM1105  
1
1
1
MAIN FRAME  
STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03) — PAGE 39  
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Effective: July 15, 2003  
TERMS AND CONDITIONS OF SALE — PARTS  
Terms and Conditions of Sale  
STOW Construction Equipment  
DROP SHIPMENTS  
PAYMENT TERMS  
Terms of payment for unit sales are 2% 15  
days net 30 days from date of invoice unless  
otherwise specifically stated on our invoice.  
Parts invoices have terms of net 10 days.  
Minimum parts billing is $15.00 net.  
Applicable discounts will be computed on  
merchandise value only. Late charges will be  
assessed at prevailing rates. Cash discounts  
cannot be taken on current billings if any  
previously billed amounts are past due.  
STOW reserves the right to refuse Drop  
Shipments outside the normal service area of  
the purchasing dealer.  
The sender will be notified of any material  
received that does not meet the above  
provisions. Such material will be held for 30  
days from notification pending instructions. If a  
reply is not received within 30 days, the material  
will be returned to the sender at his expense  
with no credit issued.  
FIELDWAREHOUSES  
Field Warehouses are currently located in  
California, Georgia, Idaho, Iowa, and New  
Jersey  
PRICING, REBATES AND  
SPECIFICATIONS  
Every effort will be made to provide adequate  
notice of changes; however, prices and  
equipment specifications are subject to change  
without notice.  
SPECIAL EXPEDITING SERVICE  
The higher of a $35.00 surcharge or actual  
costs will be added to the invoice for special  
handling, including bus shipments, or in cases  
where STOW personnel must personally deliver  
the equipment or parts to the carrier.  
FREIGHT POLICY  
Freight policy is established to offer customers  
every advantage possible. Due to bulk freight  
ratings on some equipment and other shipping  
considerations, freight policies differ by  
equipment type. Actual back freight may be  
charged for shipments originating from other  
than specified FOB warehouses. See Freight  
Policy for details.  
All STOW domestic sales are FOB nearest  
available designated MQ/STOW warehouse.  
Export orders are ex-works factory located in  
Carson, CA or Boise, ID.  
Price changes are effective on a specific date  
and all orders received on or after that date will  
be billed at the revised price.  
RETURNED GOODS POLICY  
Return shipments may be accepted and credit  
allowed, subject to the following provisions.  
Rebates for price reductions and added charges  
for price increases will not be made for stock in  
dealer inventory at the time of a price change.  
1. A Returned Material Authorization (RMA)  
must be approved by STOW prior to  
shipment. Approvals for returned goods  
must be with just cause and are at the  
sole discretion of STOW. A copy of the  
Authorization must accompany the shipment  
to the designated Warehouse.  
STOW 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.  
Additions to orders already shipped cannot be  
accepted for freight minimums.  
LIMITATION OF SELLER’S LIABILITY  
2. Parts being returned must be listed as  
currently supplied on the current parts list.  
STOW 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 STOW be liable for loss of profit  
or good will or for any other special, consequential  
or incidental damages.  
Should STOW elect to make partial shipments  
of an order originally complying with the “freight  
allowed” requirements, transportation charges  
will be absorbed by STOW on any subsequent  
shipment applying to that order.  
3. Parts must be in new and resalable condition  
in the original package, with part numbers  
clearly marked.  
4. Units and accessories must be current  
models in the latest price list and in new and  
resalable condition.  
All other orders will be shipped collect or prepaid  
with charges added to the invoice. STOW’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.  
LIMITATION OF WARRANTIES  
There are no warranties, express or implied,  
made by STOW. hereunder on Products  
manufactured or distributed by it except the  
warranty against defects in material and  
workmanship on new Products to the original  
purchaser, as set forth in the STOW New  
Product Limited Warranty.  
5. Special order items are not returnable for  
credit.  
6. Credit on returned parts and units will be  
issued at actual dealer net price at time of  
purchase less 15% restocking charge.  
Parts: FOB Carson, California or Boise,  
Idaho. See Freight Policy for details and  
additional discounts.  
7. All returned shipments are to be made to  
the STOW designated receiving point,  
freight prepaid at the sender’s expense.  
STOW CONSTRUCTION EQUIPMENT  
POST OFFICE BOX 6254  
CARSON, CALIFORNIA 90749  
310-661-4242 • 877-BUY-STOW  
FAX:310-604-9237  
Atlanta • Boise • Newark • Quebec, Canada  
Manchester, UK • Rio de Janeiro, BR • Puebla, MX  
PAGE 40 —STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03)  
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NOTE PAGE  
STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03) — PAGE 41  
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PARTS AND OPERATION MANUAL  
HERE'S HOW TO GET HELP  
PLEASE HAVE THE MODEL AND SERIAL NUMBER  
ON-HANDWHEN CALLING  
PARTS DEPARTMENT  
800-427-1244 or 310-537-3700  
FAX: 800-672-7877 or 310-637-3284  
SERVICE DEPARTMENT  
800-478-1244  
FAX: 310- 537-4259  
TECHNICAL ASSISTANCE  
800-478-1244  
FAX: 310- 631-5032  
WARRANTY DEPARTMENT  
888-661-4279, or 310-661-4279  
FAX: 310- 537-1173  
STOWCONSTRUCTIONEQUIPMENT  
A DIVISION OF MULTIQUIP INC.  
POST OFFICE BOX 6254  
PARTS DEPARTMENT:  
800-427-1244  
FAX: 800-672-7877  
SERVICE DEPARTMENT/TECHNICAL ASSISTANCE:  
800-478-1244  
CARSON, CA 90749  
310-537-3700 • 888-252-STOW [888-252-7869]  
FAX:310-537-1986 • FAX:800-556-1986  
E-MAIL: [email protected] • WWW: stowmfg.com  
FAX:310-631-5032  
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