Servicing The Spark Plug - Toro 74920 Operator's Manual

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Figure 45
4. Slowly pour approximately 80% of the specified oil
into the filler tube and slowly add the additional oil
to bring it to the Full mark (Figure 46).
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Figure 46
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Changing the Engine Oil Filter
Service Interval: Every 200 hours—Change the oil
filter. (more often in dusty, dirty
conditions)
Note: Change the engine oil filter more frequently
when operating conditions are extremely dusty or sandy.
1. Drain the oil from the engine; refer to Changing the
Engine Oil.
2. Change the engine oil filter (Figure 47).
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Note: Ensure the oil filter gasket touches the engine
and then an extra 3/4 turn is completed.
3. Fill the crankcase with the proper type of new oil;
refer to Changing the Oil.

Servicing the Spark Plug

Service Interval: Every 100 hours—Check the spark
plug(s).
Make sure the air gap between the center and side
electrodes is correct before installing the spark plug.
Use a spark plug wrench for removing and installing
the spark plug(s) and a gapping tool/feeler gauge to
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3/4
Figure 47
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