Servicing The Spark Plug - Toro 74997 Operator's Manual

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 : NGK ® BPR5ES or equivalent
Air Gap: 0.75 mm (0.03 inch)
Removing the Spark Plug
1. Shut off the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
2. Disengage the blade-control switch (PTO), move the
motion-control levers to the N
and set the parking brake.
3. Remove the left hand hydraulic-unit shroud in the
order listed in Figure
Note: This gives you access to the front spark plug.
- position,
EUTRAL LOCK
56.
1. Pull this tab out to the
side in the direction of the
arrow.
2. Pull the shroud off this
frame tab in the direction
of the arrow.
4. Remove the spark plug
A
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5. Install the left hydraulic-unit shroud
42
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Figure 56
3. Pull the shroud off this
frame tab in the direction
of the arrow.
4. Shroud
(Figure 57).
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B
Figure 57
(Figure 56).