Servicing The Spark Plug - Toro 74635 Operator's Manual

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 32).
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3
5
Figure 32
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 33).
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4
6
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3
5
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 check and adjust the air gap.
Install a new spark plug(s) if necessary.
Type: NGK BPR4ES (or equivalent)
Air Gap: 0.76 mm (0.030 inch)
Removing the Spark Plug
1. Disengage the PTO, move the motion control levers to
the neutral locked position and set the parking brake.
2. Stop the engine, remove the key, and wait for all moving
parts to stop before leaving the operating position.
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4
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3/4
Figure 33
G008748