1-1/2" Gasoline Powered Clear Water Pump
Item 68328
Using an engine indoors CAN KILL YOU
IN MINUTES.
Engine exhaust contains carbon monoxide.
This is a poison you cannot see or smell.
Only use OUTSIDE
NEVER use inside
and far away from
a home or garage,
windows, doors,
and vents.
EVEN IF doors and
windows are open.
When unpacking, make sure that the product is intact and undamaged.
If any Pump parts are missing or broken, please call 1-800-444-3353 as soon as possible.
If any Engine parts are missing or broken, please call 1-800-520-0882 as soon as possible.
Record Product’s Serial Number Here:
Note: If product has no serial number, record month and year of purchase instead.
Note: Some parts are listed and shown for illustration purposes only, and are not available individually
as replacement parts.
Email our tech support at: [email protected]
Email our Engine support at: [email protected]
©
®
Copyright 2010 by Harbor Freight Tools . All rights reserved. No portion of this manual or any artwork contained herein may be reproduced in any shape
or form without the express written consent of Harbor Freight Tools. Diagrams within this manual may not be drawn proportionally. Due to continuing
improvements, actual product may differ slightly from the product described herein. Tools required for assembly and service may not be included.
Manual Revised 11g
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Save This Manual
Symbol Definitions
Keep this manual for the safety warnings and precautions,
assembly, operating, inspection, maintenance and
cleaning procedures. Write the product’s serial
number in the front of the manual near the assembly
diagram (or month and year of purchase if product
has no number). Keep this manual and the receipt
in a safe and dry place for future reference.
Symbol
Property or Statement
Revolutions Per Minute
RPM
WARNING marking concerning Risk
of Eye Injury. Wear ANSI-approved
safety goggles with side shields.
Read the manual before set-up and/or use.
Safety Warnings
WARNING marking concerning Risk of
Hearing Loss. Wear hearing protection.
In this manual, on the labeling, and all other
information provided with this product:
WARNING marking concerning
Risk of Respiratory Injury. Operate
engine OUTSIDE and far away from
windows, doors, and vents.
This is the safety alert symbol. It is
used to alert you to potential personal
injury hazards. Obey all safety
messages that follow this symbol to
avoid possible injury or death.
WARNING marking concerning
Risk of Fire while handling fuel. Do
not smoke while handling fuel.
WARNING marking concerning Risk of Fire.
Do not refuel while operating.
DANGER indicates a hazardous situation which, if
not avoided, will result in death or serious injury.
Keep flammable objects away from engine.
WARNING marking concerning
Risk of Explosion.
WARNING indicates a hazardous situation which, if
not avoided, could result in death or serious injury.
WARNING! Read all instructions.
Failure to follow all instructions listed below
may result in fire, serious injury and/or DEATH.
The warnings and precautions discussed in this
manual cannot cover all possible conditions and
situations that may occur. It must be understood
by the operator that common sense and caution
are factors which cannot be built into this
CAUTION, used with the safety alert symbol,
indicates a hazardous situation which, if not
avoided, could result in minor or moderate injury.
NOTICE is used to address practices
not related to personal injury.
product, but must be supplied by the operator.
SAVE THESE INSTRUCTIONS
CAUTION, without the safety alert symbol, is used
to address practices not related to personal injury.
Set up Precautions
1. Gasoline fuel and fumes are flammable, and
potentially explosive. Use proper fuel storage
and handling procedures. Do not store fuel
or other flammable materials nearby.
2. Have multiple ABC class fire extinguishers nearby.
3. Operation of this equipment may create sparks
that can start fires around dry vegetation. A spark
arrestor may be required. The operator should
contact local fire agencies for laws or regulations
relating to fire prevention requirements.
4. Set up and use only on a flat, level,
well-ventilated surface.
For Pump technical questions, please call 1-800-444-3353.
For Engine technical questions, please call 1-800-520-0882.
Item 68328
Page 1
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5. Use only lubricants and fuel recommended in
9. People with pacemakers should consult their
physician(s) before use. Electromagnetic fields
in close proximity to a heart pacemaker could
cause pacemaker interference or pacemaker
failure. Caution is necessary when near
the engine’s magneto or recoil starter.
the Specifications chart of this manual.
6. Wear ANSI-approved safety goggles, heavy-duty
work gloves, and dust mask/respirator during set up.
Engine Precautions
Follow engine precautions and instructions in the included
engine instruction manual.
10. Use only accessories that are recommended by Harbor
Freight Tools for your model. Accessories that may
be suitable for one piece of equipment may become
hazardous when used on another piece of equipment.
11. Do not operate in explosive atmospheres,
such as in the presence of flammable
liquids, gases, or dust. Gasoline-powered
engines may ignite the dust or fumes.
Operating Precautions
1.
CARbON MONOxIDE HAzARD
Using an engine indoors CAN KILL
YOU IN MINUTES.
12. Stay alert, watch what you are doing and use common
sense when operating this piece of equipment. Do
not use this piece of equipment while tired or under
the influence of drugs, alcohol or medication.
Engine exhaust contains carbon
monoxide. This is a poison you cannot
see or smell.
13. Do not overreach. Keep proper footing and
balance at all times. This enables better control
of the equipment in unexpected situations.
14. Dress properly. Do not wear loose clothing or
jewelry. Keep hair, clothing and gloves away
from moving parts. Loose clothes, jewelry or
long hair can be caught in moving parts.
NEVER use inside a home or garage, EVEN IF doors
and windows are open.
15. Parts, especially exhaust system components, get
very hot during use. Stay clear of hot parts.
16. Do not cover the engine or equipment during operation.
17. Keep the equipment, engine, and
surrounding area clean at all times.
18. Use the equipment, accessories, etc., in accordance
with these instructions and in the manner intended for
the particular type of equipment, taking into account
the working conditions and the work to be performed.
Use of the equipment for operations different from
those intended could result in a hazardous situation.
Only use OUTSIDE and far away from windows, doors,
and vents.
2. Keep children away from the equipment,
especially while it is operating.
3. Do not touch Pump engine during use.
19. Do not operate the equipment with known
leaks in the engine’s fuel system.
4. Never store fuel or other flammable
materials near the Pump engine.
20. This product contains or, when used, produces a
chemical known to the State of California to cause
cancer and birth defects or other reproductive harm.
(California Health & Safety Code § 25249.5, et seq.)
5. Industrial applications must follow OSHA requirements.
6. Do not leave the equipment unattended when it is
running. Turn off the equipment (and remove safety
keys, if available) before leaving the work area.
21. When spills of fuel or oil occur, they must be
cleaned up immediately. Dispose of fluids and
cleaning materials as per any local, state, or
federal codes and regulations. Store oil rags in
a bottom-ventilated, covered, metal container.
7. Engine can produce high noise levels. Prolonged
exposure to noise levels above 85 dBA is hazardous
to hearing. Always wear ear protection when operating
or working around the gas engine while it is operating.
22. Keep hands and feet away from moving parts. Do
not reach over or across equipment while operating.
8. Wear ANSI-approved safety glasses, hearing
protection, and NIOSH-approved dust mask/
respirator under a full face shield along
with steel-toed work boots during use.
For Pump technical questions, please call 1-800-444-3353.
For Engine technical questions, please call 1-800-520-0882.
Item 68328
Page 2
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23. Before use, check for misalignment or binding
of moving parts, breakage of parts, and any
other condition that may affect the equipment’s
operation. If damaged, have the equipment
serviced before using. Many accidents are
caused by poorly maintained equipment.
5. Maintain labels and nameplates on the
equipment. These carry important information.
If unreadable or missing, contact Harbor
Freight Tools for a replacement.
6. Have the equipment serviced by a qualified repair
person using only identical replacement parts.
This will ensure that the safety of the equipment
is maintained. Do not attempt any service or
maintenance procedures not explained in this
manual or any procedures that you are uncertain
about your ability to perform safely or correctly.
24. Use the correct equipment for the application. Do
not modify the equipment and do not use the
equipment for a purpose for which it is not intended.
Service Precautions
1. before service, maintenance, or cleaning:
a. Turn the engine switch to its “OFF” position.
b. Allow the engine to completely cool.
7. Store equipment out of the reach of children.
Refueling:
1. Do not smoke, or allow sparks, flames,
or other sources of ignition around the
equipment, especially when refuelling.
c. Then, remove the spark plug
cap from the spark plug.
2. Do not refill the fuel tank while the
2. Keep all safety guards in place and in
proper working order. Safety guards include
muffler, air cleaner, mechanical guards, and
heat shields, among other guards.
engine is running or hot.
3. Do not fill fuel tank to the top. Leave a little
room for the fuel to expand as needed.
3. Do not alter or adjust any part of the equipment
or its engine that is sealed by the manufacturer
or distributor. Only a qualified service
4. Refuel in a well-ventilated area only.
5. Wipe up any spilled fuel and allow excess to evaporate
before starting engine. To prevent FIRE, do not start
the engine while the smell of fuel hangs in the air.
technician may adjust parts that may increase
or decrease governed engine speed.
4. Wear ANSI-approved safety goggles, heavy-duty work
gloves, and dust mask/respirator during service.
SAVE THESE
INSTRUCTIONS.
For Pump technical questions, please call 1-800-444-3353.
For Engine technical questions, please call 1-800-520-0882.
Item 68328
Page 3
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Controls
Fuel Tank Cap
Fuel Tank
Muffler
Choke
Throttle
Starter Handle
Oil Dipstick
Air Filter
Engine Switch
Priming Cap
Discharge Port
Intake Port
Water Drain Plug
For Pump technical questions, please call 1-800-444-3353.
For Engine technical questions, please call 1-800-520-0882.
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Item 68328
Page 4
3. Slide one of the Hose Clamps over the end of the
suction hose (a). Slide the Hose onto the Hose
Coupler (b). Use a screwdriver (not included)
to tighten the Hose Clamp until secure.
Set up
The emission control system for this Pump’s Engine is
warranted for standards set by the U.S. Environmental
Protection Agency. For warranty information, refer to the
last pages of this manual.
CAUTION: Use only a non-collapsible intake hose.
Connecting Hoses
Note: Hose coupling components
and hoses not included.
Note: The Suction Hose (not included) MUST be
reinforced with braided material or have non-
collapsible construction. Do not use a hose with
an inside diameter smaller than 1.5" (pump’s
intake and discharge port diameters).
Hose Clamp
Suction Hose
a
CAUTION: Do not over-tighten Hose Clamps as the
clamp may damage the hose or other components.
1. Slide one of the Hose Coupling Rings over
one of the Hose Couplers (a), then place a
Gasket on the end of the Hose Coupler (b).
b
Gasket
Hose Coupler
4. Slide a Hose Clamp over the other end of the suction
hose (a). Slide the Intake Strainer into the end of the
suction hose (b). Use a screwdriver to tighten the Hose
Clamp until secure.
b
Hose Coupling Ring
b
a
2. Thread the Hose Coupling Ring onto the Intake Port
(a), and turn clockwise until fastened securely (b).
a
Intake Strainer
Intake Port
b
a
For Pump technical questions, please call 1-800-444-3353.
For Engine technical questions, please call 1-800-520-0882.
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Item 68328
Page 5
5. For the discharge hose, slide a Hose Coupling Ring
over the remaining Hose Coupler (a) and place a
Gasket onto the end of the Hose Coupler (b) (all not
included).
7. Slide a Hose Clamp over the end of the Discharge
Hose (a). Slide the Discharge Hose onto the Hose
Coupler (b). Use a screwdriver to tighten the Hose
Clamp until secure.
b
a
a
6. Thread the Hose Coupling Ring clockwise onto the
Discharge Port until tightened securely.
Discharge Port
For Pump technical questions, please call 1-800-444-3353.
For Engine technical questions, please call 1-800-520-0882.
Item 68328
Page 6
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Locating the Water Pump
Locate the Water Pump on a flat, level, sturdy surface
capable of supporting the weight of the Pump.
1. For best Pump performance, place the Pump near
the water level and use hoses that are no longer than
necessary. This will allow the Pump to produce the
greatest output with the least self-priming time. See
diagram below.
Strainer
4. Secure the Intake Hose in place to keep it from moving
once the Pump is turned on. The Intake Hose should
be as short as possible for more efficient operation.
Discharge Head
Total Head
5. Route the discharge hose to the desired discharge
location. If necessary, connect additional discharge
hoses to direct the discharge to the desired location.
Make sure to secure the discharge hose in place
to keep it from moving once the Water Pump is
turned on. The discharge hose should be kept as
short as possible for more efficient operation.
Suction
Head
Water Pump
Operation Concerns
1. Cavitation: This is the sudden formation and collapse
of low-pressure vapor (bubbles) across the vanes of
the impeller.
As the head (pumping height) increases, pump output
decreases. The length, type, and size of the suction
and discharge hoses can also significantly affect
Pump output.
Cause: When the surface pressure on a liquid
becomes low enough, the liquid will begin to boil
(even at room temperature). With centrifugal pumps,
cavitation can occur when the suction vacuum
becomes too great, allowing water vapor or bubbles to
form at the impeller. The rapid pressure increase can
cause impeller damage.
Discharge head capability is always greater than
suction head capability. This means pumping height
for the Intake Hose (suction head) should be shorter
than the pumping height for the Discharge Hose.
Solution: Minimizing suction head and using
the largest practical suction hose diameter will
reduce the likelihood of cavitation. Do not use
a suction hose with a diameter smaller than
the Pump’s Intake Port (1.5" diameter).
Minimizing suction head (placing the Pump
closer to the water level) will also help reduce
self-priming time. This is the time it takes the
Pump to bring the water from the water level
to the Pump during the initial operation.
2. Water Hammer Pressure: This is energy sent back to
the Pump due to sudden stoppage of water flowing
from the Pump.
2. Route the Intake Hose with the Intake Strainer
fully immersed in the water supply source.
Cause: Water hammer pressure is more likely to
occur when using a very long discharge hose. If the
flow of water at the end of the discharge hose is shut
off suddenly, energy is sent back to the pump. This
causes a large pressure spike in the Pump housing,
leading to potential damage to the Pump casing.
3. Place Strainer into water to be pumped. CAUTION:
Strainer must be fully immersed in water. Do
not operate Pump without Strainer connected to
end of suction hose. Keep Strainer out of sand or
silt by placing Strainer in a bucket or on stones.
NOTICE: If there is an air leak in the suction
line, you may not be able to prime the pump.
Use of a thread sealant is recommended.
Solution: Use as short a discharge hose as possible
and turn off water pump before closing water flow.
For Pump technical questions, please call 1-800-444-3353.
For Engine technical questions, please call 1-800-520-0882.
Item 68328
Page 7
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Checking and Filling Engine Oil
Operation
CAUTION! Your Warranty is VOID if the engine’s
crankcase is not properly filled with oil before
each use. before each use, check the oil level.
Do not run the engine with low or no engine
oil. Running the engine with no or low engine
oil WILL permanently damage the engine.
Read the ENTIRE IMPORTANT SAFETY
INFORMATION section at the beginning
of this manual including all text
under subheadings therein before
set up or use of this product.
1. Make sure the engine is stopped and is level.
2. Close the Fuel Valve.
Pre-Start Checks
Inspect Pump and engine, looking for damaged, loose, and/
or missing parts before set up and starting. If any problems
are found, do not use equipment until fixed properly.
3. Clean the top of the Dipstick and the area around it.
Remove the Dipstick by threading it counterclockwise,
and wipe it off with a clean lint free rag.
Prime the Pump
Full level
Before starting the engine, fill the
Full level
Pump with water. To do this:
1. Unthread the Priming Water Filler Cap
by turning it counterclockwise.
4. Reinsert the Dipstick without threading it in and
remove it to check the oil level. The oil level
should be up to the full level as shown above.
Priming Water
Filler Cap
5. If the oil level is at or below the low mark add the
appropriate type of oil until the oil level is at the
proper level. SAE 10W-30 oil is recommended
for general use. (The SAE Viscosity Grade chart
on page 12 in the Service section shows other
viscosities to use in different average temperatures.)
2. Fill the unit with clean water up to the top
of the opening. Replace the Priming Water
Filler Cap and tighten securely.
6. Thread the dipstick back in clockwise.
CAUTION! Do not run the engine with too little
oil. The engine will be permanently damaged.
Checking and Filling Fuel
WARNING! TO PREVENT SERIOUS
INjURY FROM FIRE:
Fill the fuel tank in a well-ventilated area away
from ignition sources. If the engine is hot from
use, shut the engine off and wait for it to cool
before adding fuel. Do not smoke.
IMPORTANT! Always check for water in the Pump
Housing before each use. Never attempt to run the
Water Pump without the Pump Housing FULL of
water. Running the Water Pump without water
for an extended period of time will damage
the Water Pump and void the Warranty.
1. Clean the Fuel Cap and the area around it.
2. Unscrew and remove the Fuel Cap.
3. If needed, fill the Fuel Tank to the top of the
Fuel Level marker on the fuel filter with 87
octane or higher unleaded gasoline.
Note: Do not use gasoline containing more than
10% ethanol (E10). Do not use E85 ethanol.
Note: Do not use gasoline that has been stored in
a metal fuel container or a dirty fuel container. It
can cause particles to enter the carburetor, affecting
engine performance and/or causing damage.
4. Then replace the Fuel Cap.
5. Wipe up any spilled fuel and allow excess to evaporate
before starting engine. To prevent FIRE, do not start
the engine while the smell of fuel hangs in the air.
For Pump technical questions, please call 1-800-444-3353.
For Engine technical questions, please call 1-800-520-0882.
Item 68328
Page 8
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Starting the Engine
1. To start a cold engine, move the Choke to the
CHOKE position.
To restart a warm engine, leave the Choke in the
RUN position.
1
2. Slide the Throttle to 1/3 away from the SLOW position
(the “turtle”).
2
3
O
ON
I
ON
3. Turn the Engine Switch on.
OFF
4. Grip the Starter Handle of the Engine loosely and pull it
slowly several times to allow the gasoline to flow into the
Engine’s carburetor. Then pull the Starter Handle gently until
resistance is felt. Allow Cable to retract fully and then pull it
quickly. Repeat until the engine starts.
4
5
Note: Do not let the Starter Handle snap back against the
engine. Hold it as it recoils so it doesn't hit the engine.
5. Allow the Engine to run for several seconds. Then, if the Choke lever is in
the CHOKE position, move the Choke Lever very slowly to its RUN position.
NOTE: Moving the Choke Lever too fast could stall the engine.
RUN CHOKE
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For Engine technical questions, please call 1-800-520-0882.
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Item 68328
Page 9
IMPORTANT: Allow the engine to run at no load for five minutes with no
load after each start-up so that the engine can stabilize.
6. Adjust the Throttle as needed.
7. break-in Period:
a. Breaking-in the engine will help to ensure proper equipment and engine operation.
b. The operational break-in period will last about 3 hours of use. During this period:
• Do not apply a heavy load to the equipment.
• Do not operate the engine at its maximum speed.
c. The maintenance break-in period will last about 20 hours of use. After this period:
• Change the engine oil. Note: Failure to change the oil regularly may damage the engine and void the warranty.
Under normal operating conditions subsequent maintenance follows the schedule
explained in the MAINTENANCE AND SERVICING section.
Stopping the Engine
O
I
1. To stop the engine in an emergency,
turn the Engine Switch off.
2. Under normal conditions, use the following procedure:
a. Slide the Throttle to SLOW (the “turtle”).
a
b
O
I
b. Turn the Engine Switch off.
For Pump technical questions, please call 1-800-444-3353.
For Engine technical questions, please call 1-800-520-0882.
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Item 68328
Page 10
Maintenance and Service
WARNING
TO PREVENT SERIOUS INjURY FROM ACCIDENTAL STARTING:
Turn the Power Switch of the equipment to its “OFF” position, wait for the engine to cool, and disconnect
the spark plug cap before performing any inspection, maintenance, or cleaning procedures.
TO PREVENT SERIOUS INjURY FROM EqUIPMENT FAILURE:
Do not use damaged equipment. If abnormal noise, vibration, or excess
smoking occurs, have the problem corrected before further use.
Follow all service instructions in this manual. The engine may fail critically if not serviced properly.
Maintenance Procedures
Many maintenance procedures, including any not detailed in this manual, will need to be
performed by a qualified technician for safety. If you have any doubts about your ability to safely
service the equipment or engine, have a qualified technician service the equipment instead.
Cleaning, Maintenance, and Lubrication Schedule
Note: This maintenance schedule is intended solely as a general guide. If performance decreases or if
equipment operates unusually, check systems immediately. The maintenance needs of each piece of equipment
will differ depending on factors such as duty cycle, temperature, air quality, fuel quality, and other factors.
Note: The following procedures are in addition to the regular checks and maintenance
explained as part of the regular operation of the engine and pump.
Monthly or
every 20
hr. of use
Yearly or
every 300
hr. of use
before
Each Use
Every 3 mo. or Every 6 mo. or
50 hr. of use 100 hr. of use
Every
2 Years
Procedure
Brush off outside of engine
Check engine oil level
Check air cleaner
Check deposit cup
Change engine oil
Clean/replace air cleaner
*
Check and clean spark plug
1. Check/adjust idle speed
2. Check/adjust valve clearance
3. Clean fuel tank, filter
**
**
**
and carburetor
4. Clean carbon build-up from
combustion chamber
Replace fuel line if necessary
*Service more frequently when used in dusty areas.
**These items should be serviced by a qualified technician.
For Pump technical questions, please call 1-800-444-3353.
Item 68328
Page 11
For Engine technical questions, please call 1-800-520-0882.
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Checking and Filling Fuel
WARNING! TO PREVENT SERIOUS
INjURY FROM FIRE:
Fill the fuel tank in a well-ventilated area away
from ignition sources. If the engine is hot from
use, shut the engine off and wait for it to cool
before adding fuel. Do not smoke.
Full level
Full level
1. Clean the Fuel Cap and the area around it.
7. Add the appropriate type of oil until the oil level is at
the full level. SAE 10W-30 oil is recommended for
general use.
2. Unscrew and remove the Fuel Cap.
3. If needed, fill the Fuel Tank to up to the top
of the Fuel Level marker on the fuel filter with
87 octane or higher unleaded gasoline.
The SAE Viscosity Grade chart shows other
viscosities to use in different average temperatures.
SAE Viscosity Grades
Note: Do not use gasoline containing more than
10% ethanol (E10). Do not use E85 ethanol.
30
Note: Do not use gasoline that has been stored in
a metal fuel container or a dirty fuel container. It
can cause particles to enter the carburetor, affecting
engine performance and/or causing damage.
10W-30
4. Then replace the Fuel Cap.
5. Wipe up any spilled fuel and allow excess to evaporate
before starting engine. To prevent FIRE, do not start
the engine while the smell of fuel hangs in the air.
5W-30
-20
0
20
40
60
80
100°F
Average outdoor temperature
Engine Oil Change
8. Thread the dipstick back in clockwise.
CAUTION! Oil is very hot during operation and can
CAUTION! Do not run the engine with too little
cause burns. Wait for engine to cool before changing oil.
oil. The engine will be permanently damaged.
1. Make sure the engine is stopped and is level.
2. Close the Fuel Valve.
Air Filter Element Maintenance
3. Place a drain pan (not included) underneath
the crankcase’s drain plug.
1. To remove the air filter cover, unthread the threaded
knobs and remove the cover and the air filter elements
and check for dirt. Clean or replace as described below.
4. Remove the drain plug and, if possible,
tilt the crankcase slightly to help drain
the oil out. Recycle used oil.
Filter
5. Replace the drain plug and tighten it.
Filter Cover
6. Clean the top of the Dipstick and the area around it.
Remove the Dipstick by threading it counterclockwise,
and wipe it off with a clean lint free rag.
Gasket
Threaded
Knobs
2. Cleaning:
• Foam filter element:
Wash the element in warm water and mild
detergent several times. Rinse. Squeeze
out excess water and allow it to dry
completely. Soak the filter in lightweight oil
briefly, then squeeze out the excess oil.
3. Install the new filter or the cleaned filter.
Secure the Air Cleaner Cover before use.
For Pump technical questions, please call 1-800-444-3353.
For Engine technical questions, please call 1-800-520-0882.
Item 68328
Page 12
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Spark Plug Maintenance
Spark
Plug
Cap
1. Disconnect spark plug cap from end of plug.
Clean out debris from around spark plug.
2. Using a spark plug wrench, remove the spark plug.
3. Inspect the spark plug:
If the electrode is oily, clean it using a clean, dry
rag. If the electrode has deposits on it, polish it
using emery paper. If the white insulator is cracked
or chipped, the spark plug needs to be replaced.
Recommended Spark Plug
brand
Part #
E7TC
®
TORCH
NOTICE: Using an incorrect spark
plug may damage the engine.
4. When installing a new spark plug, adjust the
plug’s gap to the specification on the Technical
Specifications chart. Do not pry against the
electrode, the spark plug can be damaged.
5. Install the new spark plug or the cleaned spark plug
into the engine.
Gasket-style: Finger-tighten until the gasket contacts
the cylinder head, then about 1/2-2/3 turn more.
Non-gasket-style: Finger-tighten until the plug
contacts the head, then about 1/16 turn more.
NOTICE: Tighten the spark plug properly. If
loose, the spark plug will cause the engine
to overheat. If overtightened, the threads
in the engine block will be damaged.
6. Apply dielectric spark plug boot protector
(not included) to the end of the spark plug
and reattach the wire securely.
For Pump technical questions, please call 1-800-444-3353.
Item 68328
Page 13
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c. After all fuel has drained, reinstall the
drain bolt and tighten securely.
Storage
When the equipment is to remain idle for longer than
20 days, prepare the engine for storage as follows:
3. LUbRICATION:
a. Change engine oil.
1. CLEANING:
Wait for engine to cool, then clean engine with
dry cloth. NOTICE: Do not clean using water.
The water will gradually enter the engine and cause
rust damage.
b. Clean out area around spark plug. Remove
spark plug and pour one tablespoon of engine
oil into cylinder through spark plug hole.
c. Replace spark plug, but leave spark
plug cap disconnected.
Apply a thin coat of rust preventive oil to all metal parts.
2. FUEL:
d. Pull Starter Handle to distribute oil in cylinder.
Stop after one or two revolutions when you
feel the piston start the compression stroke
(when you start to feel resistance).
WARNING! TO PREVENT SERIOUS
INjURY FROM FIRE:
Drain the fuel tank in a well-ventilated area
away from ignition sources. If the engine is
hot from use, shut the engine off and wait for
it to cool before draining fuel. Do not smoke.
4. bATTERY:
Disconnect battery cables (if equipped).
Recharge batteries monthly while in storage.
a. Place a funnel leading to a proper gasoline
container below the carburetor.
5. STORAGE AREA:
Cover and store in a dry, level, well-ventilated
area out of reach of children. Storage area should
also be away from ignition sources, such as
water heaters, clothes dryers, and furnaces.
6. AFTER STORAGE:
Before starting the engine after storage, keep
in mind that untreated gasoline will deteriorate
quickly. Drain the fuel tank and change to fresh
fuel if untreated gasoline has been sitting for
a month, if treated gasoline has been sitting
beyond the fuel stabilizer’s recommended time
period, or if the engine does not start properly.
Air Filter
Cover
Carburetor
Drain Plug
b. Remove the drain bolt from the bottom of the
carburetor bowl and allow the fuel to drain.
For Pump technical questions, please call 1-800-444-3353.
For Engine technical questions, please call 1-800-520-0882.
Item 68328
Page 14
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Pump Troubleshooting
Problem
Possible Causes
Likely Solutions
1. Incorrect lubrication or
not enough lubrication.
1. Lubricate using recommended oil or
grease according to directions.
Pump overheats
2. Worn parts.
2. Have qualified technician inspect internal
mechanism and replace parts as needed.
1. Low engine speed.
1. Qualified technician should increase no load speed
to 3,800±100 RPM by adjusting pressure switch.
Unit stalls
2. Severely clogged air filter.
2. Replace air filter.
3. Improper lubrication.
1. Pump is not primed.
3. Check for proper oil level.
1. Prime Pump.
2. Intake Strainer clogged.
3. Air leak at intake connector.
4. Hose leaks.
2. Clean Intake Strainer or replace if damaged.
3. Replace Coupling Gasket or tighten clamp.
4. Replace hose.
Pump does not
pump water
5. Suction hose has
collapsing wall.
5. Use hose with non-collapsible wall.
6. Hose has too small diameter.
6. Use hose with diameter 1-1/2" or greater.
7. Pump is too high above
water surface.
1. Suction hose collapsed,
damaged, too long or
diameter is too small.
7. Locate Pump at a lower level so it doesn’t
have to work so hard to lift the water.
1. Replace or adjust suction hose.
2. Air leak at connector.
3. Strainer clogged.
2. Replace Coupling Gasket or tighten Clamp.
3. Clean Strainer.
Low Pump Output
4. Discharge hose damaged, too 4. Replace or adjust Discharge Hose.
long or diameter too small.
Follow all safety precautions whenever diagnosing or servicing the equipment or engine.
For Pump technical questions, please call 1-800-444-3353.
For Engine technical questions, please call 1-800-520-0882.
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Item 68328
Page 15
Engine Troubleshooting
Problem
Possible Causes
Probable Solutions
Engine will not start FUEL RELATED:
1. No fuel in tank or fuel valve closed.
2. Choke not in CHOKE position, cold engine. 2. Move Choke to CHOKE position.
FUEL RELATED:
1. Fill fuel tank and open fuel valve.
3. Gasoline with more than 10% ethanol
used. (E15, E20, E85, etc.)
3. Clean out ethanol rich gasoline from fuel
system. Replace components damaged
by ethanol. Use fresh 87+ octane
unleaded gasoline only.
Do not use gasoline with more than
10% ethanol (E15, E20, E85, etc.).
4. Low quality or deteriorated, old gasoline.
4. Use fresh 87+ octane unleaded gasoline.
Do not use gasoline with more than
10% ethanol (E15, E20, E85, etc.).
5. Carburetor not primed.
6. Dirty fuel passageways.
5. Pull on Starter Handle to prime.
6. Clean out passageways using fuel additive.
Heavy deposits may require further cleaning.
7. Carburetor needle stuck. Fuel
can be smelled in the air.
7. Gently tap side of carburetor float
chamber with screwdriver handle.
8. Too much fuel in chamber. This can be
caused by the carburetor needle sticking.
8. Turn Choke to RUN position. Remove spark
plug and pull the start handle several times
to air out the chamber. Reinstall spark
plug and set Choke to CHOKE position.
9. Clogged Fuel Filter.
9. Replace Fuel Filter.
IGNITION (SPARK) RELATED:
1. Spark plug cap not connected securely.
2. Spark plug electrode wet or dirty.
3. Incorrect spark plug gap.
IGNITION (SPARK) RELATED:
1. Connect spark plug cap properly.
2. Clean spark plug.
3. Correct spark plug gap.
4. Replace spark plug cap.
4. Spark plug cap broken.
5. Incorrect spark timing or
faulty ignition system.
5. Have qualified technician diagnose/
repair ignition system.
COMPRESSION RELATED:
COMPRESSION RELATED:
1. Cylinder not lubricated. Problem after long 1. Pour tablespoon of oil into spark
storage periods.
plug hole. Crank engine a few
times and try to start again.
2. Loose or broken spark plug. (Hissing
noise will occur when trying to start.)
2. Tighten spark plug. If that does not work,
replace spark plug. If problem persists,
may have head gasket problem, see #3.
3. Loose cylinder head or damaged
head gasket. (Hissing noise will
occur when trying to start.)
3. Tighten head. If that does not remedy
problem, replace head gasket.
4. Engine valves or tappets
mis-adjusted or stuck.
4. Have qualified technician diagnose/
repair ignition system.
Follow all safety precautions whenever diagnosing or servicing the equipment or engine.
For Pump technical questions, please call 1-800-444-3353.
For Engine technical questions, please call 1-800-520-0882.
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Item 68328
Page 16
Engine Troubleshooting (cont.)
Problem
Possible Causes
Probable Solutions
Engine misfires
1. Spark plug cap loose.
1. Check wire connections.
2. Incorrect spark plug gap or
damaged spark plug.
2. Re-gap or replace spark plug.
3. Defective spark plug cap.
4. Old or low quality gasoline.
3. Replace spark plug cap.
4. Use only fresh 87+ octane unleaded gasoline.
Do not use gasoline with more than
10% ethanol (E15, E20, E85, etc.).
5. Incorrect compression.
1. Low oil shutdown.
5. Diagnose and repair compression.
(Use Engine will not start:
COMPRESSION RELATED section.)
Engine stops
suddenly
1. Fill engine oil to proper level. Check
engine oil before EVERY use.
2. Fuel tank empty or full of impure or low
quality gasoline.
2. Fill fuel tank with fresh 87+ octane
unleaded gasoline.
Do not use gasoline with more than
10% ethanol (E15, E20, E85, etc.).
3. Defective fuel tank cap creating
3. Test/replace fuel tank cap.
vacuum, preventing proper fuel flow.
4. Faulty magneto.
4. Have qualified technician service magneto.
5. Disconnected or improperly
connected spark plug cap.
5. Secure spark plug cap.
Engine stops when 1. Dirty air filter
1. Clean or replace element.
under heavy load
2. Engine running cold.
2. Allow engine to warm up prior
to operating equipment.
Engine knocks
1. Old or low quality gasoline.
1. Fill fuel tank with fresh 87+ octane
unleaded gasoline.
Do not use gasoline with more than
10% ethanol (E15, E20, E85, etc.).
2. Engine overloaded.
2. Do not exceed equipment’s load rating.
3. Incorrect spark timing, deposit
buildup, worn engine, or other
mechanical problems.
3. Have qualified technician diagnose
and service engine.
Engine backfires
1. Impure or low quality gasoline.
1. Fill fuel tank with fresh 87+ octane
unleaded gasoline.
Do not use gasoline with more than
10% ethanol (E15, E20, E85, etc.).
2. Engine too cold.
2. Use cold weather fuel and oil
additives to prevent backfiring.
3. Intake valve stuck or overheated engine.
4. Incorrect timing.
3. Have qualified technician diagnose
and service engine.
4. Check engine timing.
Follow all safety precautions whenever diagnosing or servicing the equipment or engine.
For Pump technical questions, please call 1-800-444-3353.
For Engine technical questions, please call 1-800-520-0882.
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Item 68328
Page 17
Parts List (Including Item 68124 99cc engine)
Part
Description
qty Part
Description
qty Part
Description
qty
Cylinder Head
43 Lifter Vavle Subassembly
2
84 Governor Rod
1
1
2
3
1
1
1
Plate Lifter Stopper
Subassembly
Throttle Valve
Returning Spring
Governor
Subassembly
Cylinder Head Gasket
Cylinder Head Cover
Subassembly
Cylinder Head
Cover Gasket
Breather Tube
Bolt
44
1
85
86
1
1
45 Valve Adjusting Bolt
46 Rocker Valve
47 Nut Valve Adjusting
48 Valve Lock Nut
49 Recoil Starter Assy
50 Bolt
2
2
2
2
1
3
1
4
1
1
1
1
1
Spring
87 Bolt
2
1
3
1
1
7
7
4
4
1
1
2
2
1
1
1
1
1
1
4
1
88 Throttle Control Assy.
89 Hose Clamps
90 Filter Cover
91 Filter
92 Bolt
93 Washer
5
6
7
8
9
1
4
2
2
2
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
6
1
1
2
1
1
1
1
1
1
1
1
2
2
2
51 Shroud
52 Bolt
53 Crankcase Air Deflector
54 Bolt
55 Cylinder Body Shroud
56 Bolt
Stud
Stud
Pin
94 Bolt
95 Washer
10 Cylinder Head Bolt
11 Spark Plug
12 Tension Line Block
13 Oil Seal
96 Water Inlet
97 Water Inlet Gasket
98 Thread Plug
99 Screw Plug Washer
100 Water Outlet
101 Outlet Gasket
102 Pump Body
103 Seal
57 Shield Shroud
Engine Switch
Subassembly
14 Drain Plug
58
1
15 Flat Washer
16 Crankcase Subassembly
17 Bearing
18 Gear Assy, Governor
19 Governor Arm
20 Circlip
21 Pin
22 Oil Seal
23 Crankcase Cover
24 Bearing
25 Crankcase Gasket
26 Pin
27 Oil Dipstick Subassembly
28 Bolt
29 Crankshaft Assy.
30 Oil Ring Set
31 Piston Pin Clip
32 Piston
33 Piston Pin
34 Connecting Rod
35 First Ring
36 Second Ring
37 Camshaft Assy.
38 Exhaust Valve
39 Intake Valve
40 Valve Spring Seat
41 Valve Spring
42 Valve Tappet
59 Carburetor Gasket
60 Carburetor Insulator Plate
61 Air Cleaner Gasket
62 Carburetor Assy.
63 Air Cleaner
2
1
1
1
1
2
1
1
2
1
1
1
3
104 Whorl Case
105 Water Pump Impeller
64 Nut
65 Muffler Assy.
66 Exhaust Outlet Gasket
67 Nut
68 Fuel Tank
69 Fuel Filter
Water Pump Joint
Cushion
106
1
107 Impeller Seal
108 Porcelain Seal
109 Seal Mechanism Assy.
110 Water Pump Joint
111 Bolt
1
1
1
1
4
4
1
4
4
4
70 Fuel Tank Cover
71 Bolt
Fuel Tank Oil Outlet
Subassembly
112 Washer
113 Water Pump Assy.
114 Nut
115 Washer
116 Washer
72
1
73 Fuel Tube
74 Collar
75 Clip
76 Flywheel Nut
77 Starter Pulley
78 Impeller
79 Flywheel Subassembly
80 Bolt
1
2
1
1
1
1
1
2
1
1
Fixed Bottom
Engine Plate
117
1
118 Water Pump Seat
119 Frame Assy
120 Bolt
4
1
8
4
81 Ignition Coil
82 Nut
121 Nut
Engine Frame Shock
Absorption Seat
122
4
4
Governor Support
Subassembly
83
1
123 Bolt
Please read the following carefully
THE MANUFACTURER AND/OR DISTRIBUTOR HAS
AND/OR DISTRIBUTOR EXPRESSLY STATES THAT ALL
REPAIRS AND PARTS REPLACEMENTS SHOULD BE
PROVIDED THE PARTS DIAGRAM IN THIS MANUAL AS A
REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER
NOR DISTRIBUTOR MAKES ANY REPRESENTATION OR
WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE
IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT
OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY
PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER
UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS
AND NOT BY THE BUYER. THE BUYER ASSUMES ALL
RISK AND LIABILITY ARISING OUT OF HIS OR HER
REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT
PARTS THERETO, OR ARISING OUT OF HIS OR HER
INSTALLATION OF REPLACEMENT PARTS THERETO.
For Pump technical questions, please call 1-800-444-3353.
For Engine technical questions, please call 1-800-520-0882.
Item 68328
Page 18
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Parts Diagram (Including Item 68124 99cc engine)
For Pump technical questions, please call 1-800-444-3353.
Item 68328
Page 19
For Engine technical questions, please call 1-800-520-0882.
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Emission Control System
Warranty
Warranties
United States Emission Control Defects Warranty
Statement
Limited 90 Day Warranty
The United States Environmental Protection Agency (herein EPA) and
Harbor Freight Tools (herein HFT) are pleased to explain the emission control
system warranty on your 1997 and later Small Off-Road Engine (herein
engine). Within the United States, new off-road, spark-ignition engines
certified for model year 1997 and later, must be designed, built and equipped
to meet the stringent anti-smog standards set forth by the EPA. HFT must
warrant the emission control system on your engine for the periods of time
described below, provided there has been no abuse, neglect or improper
maintenance of your engine.
Harbor Freight Tools Co. makes every effort to assure that
its products meet high quality and durability standards,
and warrants to the original purchaser that this product
is free from defects in materials and workmanship for
the period of 90 days from the date of purchase. This
warranty does not apply to damage due directly or
indirectly, to misuse, abuse, negligence or accidents,
repairs or alterations outside our facilities, criminal activity,
improper installation, normal wear and tear, or to lack of
maintenance. We shall in no event be liable for death,
injuries to persons or property, or for incidental, contingent,
special or consequential damages arising from the use
of our product. Some states do not allow the exclusion or
limitation of incidental or consequential damages, so the
above limitation of exclusion may not apply to you. THIS
WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE
WARRANTIES OF MERCHANTABILITY AND FITNESS.
Your emission control system may include parts such as the carburetor
or fuel-injection system, and the ignition system.Also included may be hoses,
belts, connectors and other emission-related assemblies.
Where a warrantable condition exists, HFT will repair your engine at no
cost to you including diagnosis, parts and labor.
Manufacturer’s Warranty Coverage
The 1997 and later engines are warranted for two (2) years. If any
emission-related part on your engine is defective, the part will be repaired
or replaced by HFT.
Harbor Freight Tools Emission Control Defects
Warranty Coverage
To take advantage of this warranty, the product or part must
be returned to us with transportation charges prepaid. Proof
of purchase date and an explanation of the complaint must
accompany the merchandise. If our inspection verifies the
defect, we will either repair or replace the product at our
election or we may elect to refund the purchase price if we
cannot readily and quickly provide you with a replacement.
We will return repaired products at our expense, but if we
determine there is no defect, or that the defect resulted
from causes not within the scope of our warranty, then you
must bear the cost of returning the product.
Engines are warranted for a period of two (2) years relative to emission
control parts defects, subject to the provisions set forth below. If any emission
related part on your engine is defective, the part will be repaired or replaced
by HFT.
Owner’s Warranty Responsibilities
• As the engine owner, you are responsible for the performance of the
required maintenance listed in your Owner’s Manual. HFT recommends
that you retain all receipts covering maintenance on your engine, but
HFT cannot deny warranty solely for the lack of receipts or for your failure
to ensure the performance of all scheduled maintenance.
• As the engine owner, you should, however, be aware that HFT may
deny you warranty coverage if your engine or a part has failed due to
abuse, neglect, improper maintenance, or unapproved modifications.
This warranty gives you specific legal rights and you may
also have other rights which vary from state to state.
• You are responsible for shipping your engine to a HFT warranty station
as soon as a problem exists. Contact the HFT Customer Service
department at the number below to make shipping arrangements. The
warranty repairs should be completed in a reasonable amount of time,
not to exceed 30 days.
3491 Mission Oaks Blvd. • PO Box
6009 • Camarillo, CA 93011
If you have any questions regarding your warranty rights and
responsibilities, you should contact the Harbor Freight Tools Customer
Service Department at 1-800-520-0882.
Harbor Freight Tools Emission Control Defects
Warranty Provisions
1. Length of Coverage
HFT warrants to a first retail purchaser and each subsequent purchaser
that the engine is free from defects in materials and workmanship that
cause the failure of warranted parts for a period of two (2) years after
the date of delivery to the first retail purchaser.
2. No Charge Repair or Replacement
Repair or replacement of any warranted part will be performed at no
charge to the owner if the work is performed through a warranty station
authorized by HFT. For emissions warranty service, contact the HFT
Customer Service Department at 1-800-520-0882.
For Pump technical questions, please call 1-800-444-3353.
For Engine technical questions, please call 1-800-520-0882.
Item 68328
Page 20
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required maintenance is warranted for the period of time up to the
first scheduled replacement point for that part. Any replacement part,
provided it is equivalent in durability and performance, may be used in
performance of maintenance or repairs. The owner is responsible for
commissioning a qualified technician/mechanic to perform all required
maintenance, as outlined in the Inspection, Cleaning, and Maintenance
section in this manual.
3. Consequential Damages Coverage
Coverage under this warranty shall also extend to the failure of any
engine components caused by the failure of any warranted part while
it is still covered under this warranty.
4. Coverage Exclusions
Warranty claims shall be filed in accordance with the provisions of the
HFT warranty policy explained in the box at the top of the previous
page. HFT shall not be liable for any loss of use of the engine, for
any alternative usage, for any damage to goods, loss of time, or
inconvenience. Warranty coverage shall also be excluded for any part
which fails, malfunctions, or is damaged due to failure to follow the
maintenance and operating instructions set forth in the Owner’s Manual
including, but not limited to:
6. Warranted Parts
1) Fuel Metering System
i)
Carburetor and its internal parts.
ii) Fuel pump (if so equipped).
iii) Cold start enrichment system.
2) Air Induction System
a) Use of parts which are not authorized by HFT
i)
Intake pipe/manifold.
b) Improper installation, adjustment or repair of the engine or of any
warranted part unless performed by an authorized warranty center
ii) Air cleaner.
3) Ignition System
c) Failure to follow recommendations on fuel use contained in the
Owner’s Manual
i)
Spark plug.
ii) Magneto ignition system.
d) Improper or inadequate maintenance of any warranted parts
4) Catalyst System (if so equipped)
e) Repairs performed outside of the authorized warranty service
dealers
i)
Exhaust pipe stud.
f)
Alterations by changing, adding to or removing parts from the
engine.
ii) Muffler.
iii) Catalytic converter (if so equipped).
5) Miscellaneous Items Used in Above Systems
5. Service and Maintenance
i)
Vacuum, temperature and time sensitive valves and switches.
Component parts which are not scheduled for replacement as required
maintenance or are scheduled only for regular inspection to the effect
of “repair or replace as necessary” are warranted for the warranty
period. Any warranted part which is scheduled for replacement as
ii) Hoses, belts, connectors, and assemblies.
For Pump technical questions, please call 1-800-444-3353.
For Engine technical questions, please call 1-800-520-0882.
Item 68328
Page 21
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Notes
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011
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