Power Fist 13 HP 389cc OHV Gas Engine, 9 HP 270cc OHV, 8129553 User Manual
V 2.
6
8129553
13 HP 389cc OHV Gas Engine
with Electric Start
User Manual
Please read and understand all instructions before use. Retain this manual for future reference.
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13 HP 389cc OHV Gas Engine
with Electric Start
SPECIFICATIONS
Engine Displacement 389cc
Start Type Pull/Electric
Gross Horsepower 13 HP
Torque 19.54 ft-lb
Shaft Diameter 1 in.
8129553V 2.
Shaft Rotation (From PTO Shaft Side)
Number of Cylinders 1
Cylinder Bore 3.46 in.
Stroke 2.52 in.
Compression Ratio 8.2:1
Cooling System Air
Fuel Tank Metal
Fuel Type Gasoline
Fuel Tank Capacity 6.5 litres
Oil Capacity 1.1 litres
Low Oil Alert Yes
Ignition System Transistorized magneto
Max. Speed 3,600 RPM
Muffler Included Yes
Spark Plug Gap 0.028~0.03 in. (0.7~0.8 mm)
Torque 18~22 Nm
Counterclockwise
For technical questions call 1-800-665-8685
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8129553 V 2.
13 HP 389cc OHV Gas Engine with Electric Start
SAFETY
IMPORTANT SAFETY PRECAUTIONS
WARNING! Read and understand all instructions before using this engine. The operator must follow basic
precautions to reduce the risk of personal injury and/or damage to the equipment. Before allowing someone
else to use this engine, make sure they are aware of all safety information.
NOTE: Keep this manual for safety warnings, precautions, operating, inspection and maintenance instructions.
WORK AREA
1. Operate in a safe work environment. Keep your work area clean and well lit.
2. Do not use in the presence of flammable gases or liquids.
a. Do not use pressurized starting fluids with the engine, because the vapours are flammable.
3. Keep anyone not wearing the appropriate safety equipment away from the work area.
PERSONAL SAFETY
CAUTION! Wear protective equipment approved by the Canadian Standards Association (CSA) or American
National Standards Institute (ANSI) when using the tool.
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1. Head Protection
a. Always wear impact safety goggles that provide front and side protection for the eyes.
b. Wear earplugs or hearing protector earmuffs if the engine or work environment is noisy.
2. Gloves
a. The gloves should provide protection based on the thermal (heat) levels generated by the engine.
3. Protective Clothing
a. Wear protective clothing designed for the work environment and engine.
4. Foot Protection
a. Wear steel toe footwear or steel toe caps to prevent injury from falling objects.
b. Non-skid footwear is recommended to maintain footing and balance.
5. Control the engine, personal movement and the work environment to avoid personal injury or
property damage.
a. Keep articles of clothing, jewelry, hair, etc., away from moving parts to avoid entanglement with the
engine. Traumatic amputation or severe laceration can result.
b. Ensure that all guards are in place for the engine and attached equipment.
c. Do not operate any tool when tired or under the influence of drugs, alcohol or medications.
d. Do not overreach when operating the engine. Proper footing and balance enables better control of a tool
in unexpected situations.
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V 2.
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13 HP 389cc OHV Gas Engine with Electric Start
8129553
SPECIFIC SAFETY PRECAUTIONS
CAUTION! This engine is not designed for use on motor bikes, 3-Wheel All Terrain Vehicles (ATVs), go-karts,
aircraft products or vehicles intended for use in competitive events. Misuse of this engine may result in death,
serious injury and/or property damage.
1. All users must understand the operation of all controls and learn how to stop the engine quickly in
case of emergency.
2. The engine and exhaust become very hot during operation. Severe thermal burns can occur on contact,
especially with the muffler.
a. Keep the engine at least 3 feet (1 meter) away from buildings and other equipment during operation.
b. Remove accumulated debris from muffler and cylinder area. Combustible debris, such as leaves, grass,
brush, etc. can catch fire if they come in contact with a hot engine.
c. Do not place anything on the engine while it is running.
d. Allow muffler, engine cylinder and fins to cool before touching.
e. Install a spark arrestor (sold separately) before using equipment on forest-covered, grass-covered or
brush-covered unimproved land.
3. The manufacturer of the equipment on which this engine is installed specifies the top speed at which the
engine will be operated. DO NOT exceed this speed.
CARBON MONOXIDE POISONING
WARNING! Never start or run this engine indoors as exhaust contains carbon monoxide gas. Opening windows
and doors is not enough to ventilate the area.
Carbon monoxide is a colourless and odourless gas that is difficult to detect. Carbon monoxide poisoning results
from inhalation of the gas and may be lethal if left untreated. Evacuate all people to an area with clean air and seek
immediate medical attention for any person experiencing the following symptoms:
• Headache
• Confusion
• Shortness of breath
• Weakness
• Fatigue
• Dizziness
• Unstable gait (stumbling around)
• Nausea & vomiting
• Unconsciousness
USE AND CARE OF ENGINE
1. This engine was designed for a specific function. Do not modify or alter this engine or use it for an
unintended purpose.
a. Do not tamper with governor spring, links or other parts to increase engine speed.
2. Maintain engine with care (see Maintenance).
3. Remove adjusting keys and wrenches from the engine before operation. A wrench or key that is left attached
to a rotating part of the engine increases the risk of personal injury.
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For technical questions call 1-800-665-8685
8129553 V 2.
13 HP 389cc OHV Gas Engine with Electric Start
UNPACKING
1. Carefully remove the parts and accessories from the packaging. Retain packaging material until you have
carefully inspected and satisfactorily installed or operated the engine.
2. Inspect the engine carefully to make sure that no parts or accessories were damaged while shipping.
WARNING! Do not operate the engine if any part is missing. Replace the missing part before operating. Failure
to do so could result in a malfunction and serious personal injury.
FEATURES AND CONTROLS
NOTE: When this manual refers to a letter, it corresponds to the components shown in Figure 1.
Compare the illustration with your engine to familiarize yourself with the location of various features and controls.
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Fig. 1
A Air cleaner
B Muffler
Muffler Guard (Optional)
C Spark plug
D Throttle lever
E Recoil starter
F Engine switch
G Breaker
H Starting handle
I Fuel cock
J Choke lever
K Fuel filler cap
L Fuel tank
M Starting motor
N Engine identification
O Dipstick
P Drain plug
Q Rollover valve
R Pipe
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V 2.
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13 HP 389cc OHV Gas Engine with Electric Start
8129553
ASSEMBLY
The engine comes assembled.
OPERATION
PRE-OPERATION CHECKS
CAUTION! The engine is not shipped with oil. Before starting the engine, add oil according to the instructions in
this manual. Starting the engine without oil will damage the engine beyond repair.
Check the engine’s condition before operating to maximize the user’s safety and the service life of the engine. Ensure
that the engine is level and the switch is in the OFF position before beginning the pre-operation checks.
GENERAL CONDITION
1. Look around and underneath the engine for signs of oil or gasoline leaks.
2. Remove any excessive dirt or debris, especially around the muffler (B) and recoil starter (E).
3. Look for signs of damage.
4. Check that all shields and covers are in place.
5. Check that all nuts, bolts, and screws are tight.
CHECK THE ENGINE
1. Check the fuel level. This will save time for refuelling later.
2. Check the engine oil level. Running the engine with a low oil level can cause engine damage (see How to
Check/Add Oil).
3. Check the air filter element. A dirty air filter will reduce engine performance (see How to Service the
Air Filter).
4. Check the equipment powered by this engine.
5. Review the instructions provided with the equipment powered by this engine for precautions and procedures
that should be followed before starting the engine.
BEFORE STARTING THE ENGINE
WARNING! Do not start or run engine in enclosed area, even if doors or windows are open. Engine exhaust
contains carbon monoxide, an odourless and colourless poison gas.
1. Make sure spark plug (C), muffler (B), fuel cap (K) and air cleaner (A) are in place and secured. Do not crank
engine with spark plug removed.
2. Ensure spark plug lead is securely connected to spark plug, otherwise unintentional sparking can result,
causing fire or electric shock.
3. Do not start the engine until any spilled fuel has evaporated.
NOTE: Some engine applications have a remote-mounted choke control installed rather than the engine-mounted
choke lever shown here. Refer to the instructions provided by remote equipment manufacturer.
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For technical questions call 1-800-665-8685
8129553 V 2.
13 HP 389cc OHV Gas Engine with Electric Start
STARTING THE ENGINE
WARNING! Failure to follow the steps below will result in rapid retraction of the starter cord faster than the user
can let go. This will pull the user’s hand and arm toward the engine, possibly resulting in serious injury.
CAUTION! Direct-coupled equipment components such as, but not limited to, blades, impellers, pulleys,
sprockets, etc., must be securely attached before the engine is started to avoid injury or damage.
1. Move the fuel cock (I) to the ON position.
2. Move the choke lever (J) to the CLOSED position.
NOTE: Choke is usually unnecessary when restarting a warm engine.
3. Move throttle lever (D) away from MIN. position, about 1/3 of way toward MAX. position.
4. Turn the engine switch (F) to the ON position.
5. a. Pull Start
i. Pull the starter handle (H) lightly until you feel resistance.
ii. Pull the starter handle briskly as soon as resistance is felt.
iii. Do not allow the starter handle to snap back against the engine. Instead, return the starter grip gently
by hand.
b. Electric Start
i. Turn the key to the start position, and hold it there until the engine starts.
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NOTE: If engine fails to start within 5 seconds, release the key, and wait at least 10 seconds before
operating the starter again.
NOTE: Electric start requires a battery or power supply to be installed before this option can be used.
For instructions on how to attach the battery, see Connecting the Battery.
6. The engine should turn over and start running.
a. If engine floods, set the choke to the OPEN/RUN position, place the throttle in FAST and crank until
engine starts.
7. If the choke lever was moved to the CLOSED position to start the engine, gradually move it to the OPEN
position as the engine warms up.
Occasionally you may hear a light ‘spark knock’ or ‘pinging’ (metallic rapping noise) while operating under heavy
loads. This is no cause for concern.
Should the spark knock or pinging continue to occur when the engine speed is steady under a normal load, consider
replacing the fuel. If the sounds continue after changing the fuel, contact Princess Auto Ltd. for a solution or see a
qualified technician.
NOTE: Running the engine with persistent spark knock or pinging can cause engine damage.
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V 2.
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13 HP 389cc OHV Gas Engine with Electric Start
8129553
CONNECTING THE BATTERY
WARNING! Be careful not to reverse the polarity of the battery connections, as this will short circuit the battery
charging system.
NOTE: Use a 12V battery with a rating of at least 18 ampere-hours.
1. Connect the positive (+) cable to the starter solenoid terminal.
2. Connect the negative (-) cable to an engine mounting bolt or other good engine ground connection.
3. Connect the positive (+) cable to the positive (+) terminal.
4. Connect the negative (-) cable to the negative (-) terminal.
5. Coat terminals and cable ends with grease.
Fig. 2
STOPPING THE ENGINE
CAUTION! Do not choke carburator to stop engine.
Stop the engine by following this procedure:
1. Move the throttle lever (D) to the MIN. position.
2. Turn the engine switch (F) to the OFF position.
3. Turn the fuel cock (I) to the OFF position.
FUEL RECOMMENDATIONS
This engine is certified to operate on unleaded gasoline with a minimum of 87 octane/87 AKI (91 RON). Gasoline
with up to 10% ethanol (gasohol) or up to 15% MTBE (methyl tertiary butyl ether) is acceptable. The emissions
control system for this engine is EM (Engine Modifications).
CAUTION: Do not use unapproved Gasoline, such as E85. Do not mix oil in gasoline or modify the engine to run
on alternate fuels. This will damage the engine components and void the engine warranty. To protect the fuel
system from gum formation, mix a fuel stabilizer into the fuel.
NOTE: If the engine is routinely operated at altitudes over 5,000 ft (1524 meters), it will be necessary to have a
qualified technician modify the engine for increased performance. Fuel should be a minimum of 85 octane/85 AKI
(89 RON) to prevent decreased performance.
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For technical questions call 1-800-665-8685
8129553 V 2.
13 HP 389cc OHV Gas Engine with Electric Start
HOW TO ADD FUEL
WARNING! Do not refuel the engine inside a building. Gasoline and its vapours are extremely flammable and
explosive. Keep gasoline away from appliance pilot lights, barbecues, electric appliances, power tools, etc.
NOTE: Do not use stale or contaminated gasoline or oil/gasoline mixture. Avoid getting dirt or water in the fuel tank.
1. Refuel outdoors or in a well-ventilated area.
2. Stop the engine and place it on a level surface.
3. Let engine cool at least 2 minutes before removing the fuel cap.
4. Clean the fuel cap (K) area of dirt and debris. Remove the fuel cap.
5. Check the fuel level.
6. Add fuel until it reaches the bottom of the fuel level limit marked in the fuel tank.
a. Fill the tank to approximately 1.5 in. (38 mm) below the top of the fuel tank to allow for fuel expansion.
7. Take care to not overfill the tank.
NOTE: It may be necessary to lower the fuel level depending on operating conditions.
8. Check fuel lines, tank, cap, and fittings frequently for cracks or leaks. Replace if necessary.
9. After refueling, tighten the fuel tank cap securely.
10. Wipe up any spilled fuel before starting the engine or allow to evaporate. Spilled fuel is both a fire hazard and
an environmental hazard.
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MAINTENANCE
The following section includes a maintenance schedule, routine inspection procedures and simple maintenance
procedures using basic hand tools. Service tasks that are more difficult or require special tools are best handled by
a technician or other qualified mechanic.
1. Maintain the engine with care. A well-maintained engine is more efficient and less likely to have problems.
2. Follow instructions for servicing
3. Inspect the engine components periodically. Have damaged or worn components repaired or replaced by an
authorized technician.
4. Maintain the engine’s label and name plate. These carry important information. If unreadable or missing,
contact Princess Auto Ltd. for replacements.
CAUTION! Only qualified service personnel should repair the engine.
MAINTENANCE SCHEDULE
This schedule applies to normal operating conditions. If you operate your engine under severe conditions, such as
sustained high-load or high-temperature operation, or use in unusually wet or dusty conditions, consult a qualified
technician for recommendations applicable to your individual needs and use.
MAINTENANCE CHART
First 5 Hours Change oil
Every 8 Hours or Daily Check engine oil level
Every 50 Hours or Annually Check engine oil
Check muffler, muffler guard and spark arrestor (if applicable)
Annually Replace spark plug
Check valve clearance
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V 2.
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13 HP 389cc OHV Gas Engine with Electric Start
8129553
PERFORMING MAINTENANCE
WARNING! Always ensure that the engine is off before you begin any maintenance or repairs.
WARNING! Use only a nonflammable solvent, not gasoline, to clean engine parts. Keep cigarettes, sparks, and
flames away from all fuel related parts.
Before performing adjustments or repairs:
1. Disconnect the spark plug lead and keep it away from the spark plug.
a. Disconnect battery at negative terminal
2. Replacement parts must be the same and installed in the same position as the original parts.
3. Do not strike the flywheel with a hammer or hard object. The flywheel may later shatter during operation.
CARBURATOR ADJUSTMENT
Never make adjustments to the carburator. The carburator was set at the factory to operate efficiently under most
conditions. Only a qualified service technician should adjust the carburator if it is required.
ENGINE OIL
High-quality detergent engine oils are acceptable if the American Petroleum Institute (API) performance rating is SF,
SG, SH, SJ or higher. Always check the API service label on the oil container for the performance rating. Do not use
special additives.
SAE 10W-30 is recommended for general use. Other viscosities may be used when the average temperature in your
area is within the range indicated in the chart below.
Fig. 3
*Below 4°C (40°F), the use of SAE 30 will result in hard starting.
**Above 27°C (80°F), the use of 10W-30 may cause increased oil consumption. Check oil level.
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For technical questions call 1-800-665-8685
8129553 V 2.
13 HP 389cc OHV Gas Engine with Electric Start
HOW TO CHECK/ADD OIL
1. Level the engine.
2. Clean the oil fill area of any debris.
3. Remove the dipstick (O) and wipe with a clean cloth.
4. Insert the dipstick into the filler neck without screwing it in as shown in Figure 4.
5. Remove the dipstick and check the oil level. Make sure the oil is at the FULL mark on the dipstick.
6. To add oil, pour the oil slowly into the engine oil fill. DO NOT overfill. After adding oil, wait one minute and
then recheck the oil level.
7. Replace and tighten the dipstick.
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Fig. 4
HOW TO DRAIN OIL
WARNING: When you drain the oil from the oil drain plug, the fuel tank must be empty or fuel can leak out and
result in a fire or explosion. To empty the fuel tank, run engine until it stops from lack of fuel.
NOTE: The oil must be drained from the oil drain plug (P).
1. Remove the dipstick (O).
2. Place an approved container below the oil drain plug as shown in Figure 5.
3. Remove the oil drain plug and allow oil to the drain into the approved container.
4. Install oil drain plug and tighten with a wrench.
CAUTION! Used oil must be disposed of properly. Do not pour it on the ground or down a drain or throw it in the
trash. It is recommended to take it to your local recycling centre or service station for reclamation.
Fig. 5
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