Craftsman 107.27768 Replace Spark Plug, Pre-Cleaner, Air Filter Service, Pre=Cleaner Service

Pre=Cleaner Service

NOTE: Replace a worn or damaged pre-cleaner.

1.Figure 28. Wash the pre-cleaner in liquid detergent and water.

2.Squeeze the pre-cleaner dry and saturate with engine oil. Remove all excess oil by squeezing the pre-cleaner in an absorbent cloth.

Pre-Cleaner

=

Air Filter Service =

NOTE: Replace a worn or damaged air filter.

1.Figure 28. If stamped "Washable," the filter can be washed with warm water and mild soap.

2.Rinse with tap water with the screen side UP allowing Figure 28. Air Filter Service dirt and debris to filter out.

3.Allow the filter to dry overnight before reinstalling.

REPLACE SPARK PLUG

Service Interval: Yearly

Replacement Spark Plug: 71/500/691043

Spark Plug Gap: .030" (.76mm)

1.Stop the engine and allow it to cool.

2.Clean the area around the spark plug.

3.Remove the spark plug.

4.Check the spark plug gap. It should be .030" (see Figure 29).

5.Reinstall the plug into the cylinder head. Torque the plug to 180 in. Ibs (20 N.m.).

_"030i"

Figure 29. Spark Plug Gapping

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