Servicing The Spark Plug - Toro 74722 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
A
C
E
Figure 32
(Figure 32).
B
D
F
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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
Engine Oil (page
2. Change the engine oil filter
A
C
E
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Note: Ensure that 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 Engine Oil (page

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
Air Gap: 0.76 mm (0.03 inch)
32
Servicing the
30).
(Figure 33).
B
D
F
3/4
Figure 33
31).