3
MAINTENANCE AND STORAGE
warning: Never operate a damaged or defective pump.
warning: To prevent accidental starting, remove and ground the spark
plug wire before performing any service.
note: The owner/operator is responsible for all periodic maintenance. Complete
all scheduled maintenance in a timely manner. Correct any issues before
operating the pump. Improper maintenance will void the pump's warranty.
oil
Change the oil when the engine is warm. Refer to the SPECIFICATIONS section
to select the proper grade of oil for your operating environment.
1. Remove the oil drain plug using a socket and extension.
2. Allow the oil to drain completely.
3. Replace the drain plug.
4. Remove the oil fill cap/dipstick.
5. Add 0.63 qt. (0.6 L) of oil.
6. Replace the oil fill cap/dipstick.
7. Dispose of used oil at an approved waste management facility.
sparK plug
1. Remove the spark plug wire from the spark plug.
2. Use a 14 mm long-reach spark plug socket (supplied) to remove the plug.
3. Inspect the electrode on the plug. It must be clean and not worn to produce
the spark required for ignition. Replace if necessary. See SPECIFICATIONS
section for proper spark plug type.
4. Check the spark plug gap to ensure that it is between 0.024 - 0.028 inch (0.6
- 0.7 mm). Adjust if necessary.
5. Carefully thread the plug into the engine.
6. Use the spark plug socket to firmly install the plug.
7. Attach the spark plug wire to the plug.
air filter
1. Remove the wing nut and housing that secure the air filter to the assembly.
2. Remove the foam filter element.
3. Wash the filter element in liquid detergent and water. Rinse it thoroughly and
squeeze it in a clean, absorbent cloth until dry.
4. Saturate the element in clean engine oil, then squeeze it in a clean, absorbent
cloth to remove all excess oil.
5. Place the filter element in the assembly.
6. Reattach the air filter cover, then replace the air filter housing and wing nut.
cleaning
caution: DO NOT spray engine with water. Water can contaminate the fuel
system.
1. Use a damp cloth to clean the exterior surfaces of the engine.
2. Use a soft-bristled brush to remove dirt and oil.
3. Use an air compressor (less than 25 PSI) to clear dirt and debris from the
engine.
maintenance schedule*
Every 8 hours or before every use:
•
Check the oil level and add as necessary.
•
Clean around the air intake and muffler.
•
Check for loose nuts, bolts, and attachments. Tighten any that
are found.
First 5 hours:
•
Change the oil.
First 10 hours:
•
Check the valve clearance and adjust as necessary.**
Every 20 hours or every season:
•
Clean the air filter.
•
Change the oil.
Every 100 hours or every season:
•
Clean and adjust the spark plug.
•
Check the valve clearance and adjust as necessary.**
•
Clean the fuel tank and filter.**
Every 3 years:
•
Replace the fuel line**
*More frequent service is required when operating in dirty/dusty conditions or in
extremely hot weather.
**To be performed by knowledgeable, experienced owners or certified service
dealers.
draining
If the pump is subject to freezing temperatures, drain it by removing the drain
plug and priming plug. After the water has drained, run the pump for a few
seconds to get the last of the water out of the casing. Make sure the suction and
discharge lines are free of water.
storage
warning: Store the pump in a well-ventilated area, away from heat, flame,
or sparks.
1. Allow the engine to cool completely.
2. Clean the engine and pump according to the CLEANINg section.
3. Drain all fuel from the fuel line and carburetor to prevent gum from forming.
4. Turn the fuel valve to the OFF position.
5. Add a fuel stabilizer to the fuel tank.
6. Change the oil.
7. Remove the spark plug and pour 1/2 ounce of oil into the cylinder. Crank the
engine slowly to distribute the oil and lubricate the cylinder.
8. Install the spark plug.
9. Drain the water from the pump casing thoroughly.
10. Store the pump in a clean, dry area out of direct sunlight.
