Craftsman professional PYT9000 Manual Del Operador página 25

Changing the Engine Oil
WARNINg
If the engine has been recently run, the engine, muffler and sur-
rounding metal surfaces will be hot and can cause burns to the skin.
Exercise caution to avoid burns.
NOTE: The oil filter should be changed at every oil change interval. To
complete an oil change, proceed as follows:
1. With engine OFF but still warm, d
keep it away from spark plug.
2. Remove the oil fill cap/dipstick from the oil fill tube. See Figure 20.
3. Disconnect the oil drain hose from the side of the engine.
4. Turn and remove the oil drain cap. Carefully lower the quick oil
drain into an approved container.
5. After the oil has drained, install the oil drain cap. Attach the oil
drain hose to the side of the engine.
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.
6. Reconnect spark plug wire.
Air Cleaner
WARNINg
If filters, or covers are not installed correctly serious injury or death
could result from backfire. Do not attempt to start the engine with
them removed.
CAUTION
Do not use pressurized air or solvents to clean the air cleaner
cartridge.
SERVICE AND MAINTENANCE
isconnect spark plug wire and
Oil Fill Cap/Dipstick
Oil Drain Cap
Oil Drain Hose
Figure 20
1. Remove the air filter cover.
2. To remove the air filter, lift the end of the filter. See Figure 21.
3. Remove the pre-cleaner from the filter.
4. To loosen debris, gently tap the filter on a hard surface. If the filter
is excessively dirty, replace with a new filter.
5. Wash the pre-cleaner in liquid detergent and water. Allow it to
thoroughly air dry. Do not oil the pre-cleaner.
6. Assemble the dry pre-cleaner to the filter.
7. Install the filter into the engine base and push down until the filter
snaps in place.
8. Install the cover.
Spark Plug
1. Clean area around the spark plug base. Do not sandblast spark
plug. Spark plug should be cleaned by scraping or wire brushing
and washing with a commercial solvent
2. Remove and inspect the spark plug. Check gap to make sure it is
set at .030". See Figure 22.
Electrode
.030 (.76 mm) gap
3. Replace the spark plug (Champion® RC12YC) once a season.
25
Figure 21
Porcelain
Figure 22