Craftsman 247.25000 Operator's Manual page 24

3. Remove the foam pre-filter from around the paper air filter. See
Fig. 25. Replace paper element when dirty or damaged. Clean
foam element or replace when damaged.
Air Filter
4. To clean foam element, wash in a mild liquid detergent and water.
Squeeze or press the foam element to rinse out dirt and water. Do
not twist; this could damage or tear the foam element. Allow to
dry thoroughly before using. DO NOT oil the foam element.
5. Attach the new air filter with foam element, aligning the hole in the
air filter with the intake manifold. See Fig. 26.
6. Attach the air filter cover, making sure to align plastic rib features
on the shroud to the plastic features on the air filter cover. See
Fig. 27. Turn thumb screws clockwise until snug. Check for any
misalignment.
SERVICE AND MAINTENANCE
Pre-Filter
Figure 25
Intake
Manifold
Figure 26
Air Filter
Cover
Plastic
Feature
Spark Plug Service
DO NOT check for spark with spark plug removed. DO NOT crank
engine with spark plug removed.
To ensure proper engine operation, the spark plug must be properly
gapped and free of deposits.
1. Remove the spark plug boot and use a spark plug wrench to
remove the plug. See Fig. 28.
If the engine has been running, the muffler will be very hot. Be careful
not to touch the muffler.
Spark Plug Boot
2. Visually inspect the spark plug. Discard the spark plug if there is
apparent wear, or if the insulator is cracked or chipped. Clean the
spark plug with a wire brush if it is to be reused.
24
Plastic Rib
Feature
Figure 27
WARNING
WARNING
Spark Plug
Figure 28
Shroud