Craftsman 12AE764Y099 Operator's Manual page 20

6. Release the valve by pressing the two tabs inward while pulling
the valve out. the oil will begin to drain out of the engine.
7. After the oil has finished draining, press the two tabs inward and
push the oil drain valve back in to lock the valve closed. Remove
the hose, and re-cap the end of the oil drain valve to keep debris
from entering the drain port.
8. Refill the engine with new motor oil until the oil level on the
dipstick reads FULL. Replace the oil fill cap/dipstick.
9. Pivot the right handle brace tube back into position. Align the
middle hole in the brace tube with the hole in the handle. Secure
with the star knob and carriage screw removed earlier.
Checking the Spark Plug
Clean spark plug and reset the electrode gap to 0.030" at least once a
season; replace annually.
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 15.
Electrode
.030 inch (.76 mm) gap
3. Replace the spark plug if electrodes are pitted, burned, or the
porcelain is cracked. Use a Champion® RC12YC spark plug.
SERVICE AND MAINTENANCE
Porcelain
Figure 15
Servicing the Air Filter
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.
Do not use pressurized air or solvents to clean the air filter cartridge.
Clean or replace the air filter every 25 hours of operation.
1. Pull up on the cover handle. Rotate the cover handle toward the
engine and remove the cover. See Figure 16.
Air Filter Cover
2. Carefully remove air cleaner cartridge and pre-cleaner (if
equipped) from the blower housing.
3. to loosen debris, gently tap the filter on a hard surface. If the filter
is excessively dirty, replace with a new filter.
4. wash the pre-cleaner in liquid detergent and water and allow it to
thoroughly dry. DO NOt oil the pre-cleaner.
5. Place the dry pre-cleaner, if equipped, and cartridge back into
the blower housing. the cartridge must be placed securely into
position.
6. Align tabs on cover with slots in blower housing. Rotate the cover
handle back and push down to lock in place.
20
WARNING
CAUTION
Air Filter Cartridge
Cover Handle
Figure 16