Craftsman 1450 Series Engine - Manual (Page 15)

SERVICE AND MAINTENANCE
Servicing the Air Cleaner
A
CAUTION
Do not use pressurized air or solvents to clean the air cleaner
cartridge.
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 opera­
tion 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.
To Drain Oil
1. Drain the fuel from the tank by running the engine until the fuel
tank Is empty.
2. With engine CFF but still warm, disconnect spark plug wire and
keep it away from spark plug.
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. Cpen cover and remove air filter. See Figure 12.
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. Check oil before each use. Stop engine and wait several minutes
before checking oil level. With engine on level ground, the oil must
be to FULL mark on dipstick.
2. Remove oil fill dipstick and wipe clean with cloth.
3. Replace and tighten dipstick. Remove and check oil level. Level
should be at FULL mark.
4. If needed, add oil slowly - recheck. Do not overfill.
5. Wipe dipstick clean, replace and tighten. Remove and check oil
level. Cil level should be at FULL line on dipstick.
A
CAUTION
Do not overfill. Cverfilling with oil may cause the engine to not start, or
hard starting. If over the FULL mark on the dipstick, drain oil to reduce
oil level to FULL mark on dipstick.
Remove oil drain end cap located at the base of the engine, and
drain oil into an appropriate receptacle. See Figure 13.
A
CAUTION
Used oil is a hazardous waste product. Dispose of used oil properly.
Do not discard with household waste. Check with your local authori­
ties or Sears Service Center for safe disposal/recycling facilities.
4. Replace and tighten the oil drain end cap.
5. When engine is drained of all oil, place engine level. Refill with
approximately 28 oz. of fresh oil. Fill to FULL line on dipstick.
Do not overfill. Refer to Check Engine Oil in this SERVICE &
MAINTENANCE section.
6. Replace spark plug wire before starting.
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