Servicing The Spark Plug - Toro 74141 Operator's Manual

Changing the Engine-Oil Filter
Service Interval: Every 200 hours
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 34).
2. Change the engine-oil filter
A
C
E
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Figure 42
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 Engine Oil (page
Changing the
(Figure 42).
B
D
F
3/4
34).

Servicing the Spark Plug

Service Interval: Every 100 hours
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 of Spark Plug: NGK
Air Gap: 0.75 mm (0.03 inch)
Removing the Spark Plug
1. Stop the engine, remove the key, and wait for all moving
parts to stop before leaving the operating position.
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2. Disengage the PTO, move the motion-control levers to
the neutral-locked position, and set the parking brake.
3. Locate and remove the spark plugs
A
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35
® BPR4ES or equivalent
(Figure 43).
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B
Figure 43