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Servicing the Air Cleaner
Do not use pressurized air or solvents to clean the air cleaner cartridge.
The air cleaner prevents damaging dirt, dust, etc., from entering the carburetor and
being forced into the engine and is important to engine life and performance. Never
run the engine without an air cleaner completely assembled.
Replace the air cleaner every 25 hours of operation.
1.
Loosen screws that hold the air filter cover.
2.
Open cover and remove air filter. See Figure 12.
Air Filter
Cover
3.
Discard old air filter.
4.
Install new air filter.
5.
Close the cover and tighten screws.
NOTE: If the filter is torn or damaged in any way, replace it.
Check Engine Oil
1.
Make sure engine is level and the area around oil fill cap is clean.
2.
Remove oil fill cap.
3.
Oil should be near the top of the oil fill cap threads, almost to the point of
overflowing
Change Engine Oil
•
Only use high quality detergent oil rated with API service classification SF,
SG, or SH. Select the oil's SAE viscosity grade according to the expected
operating temperature. Refer to operation section for viscosity chart.
•
Change engine oil after the first five to eight hours of operation, and every
fifty hours or every season thereafter. Change oil every twenty five hours
when operating engine under heavy load or in high temperatures.
SERVICE AND MAINTENANCE
CAUTION
Figure 12
To Drain Oil
1.
Run the engine to warm the oil.
2.
With engine OFF but still warm, disconnect the spark plug wire and keep it
away from spark plug.
3.
Remove oil drain cap located at the base of the engine, and drain oil into an
appropriate receptacle. See Figure 13.
Oil Drain
End Cap
Used oil is a hazardous waste product. Dispose of used oil properly. Do not
discard with household waste. Check with your local authorities or Sears
Service Center for safe disposal/recycling facilities.
4.
When engine is drained of all oil, replace and tighten the oil drain cap.
5.
With the engine level, refill with approximately 28 oz. of fresh oil. Fill the oil
up into the threads of the oil fill plug, almost to the point of overflowing.
6.
Replace the oil fill plug and wipe up any oil that may have spilled or
overflowed.
7.
Replace spark plug wire before starting.
13
Figure 13
CAUTION
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