Servicing The Spark Plug - Toro 74732 Operator's Manual

Figure 35

Servicing the Spark Plug

Service Interval: Every 200 hours—Check the spark
Every 500 hours—Replace the spark plug(s).
Type: Champion XC12YC or equivalent that is RFI
compliant
Air Gap: 0.76 mm (0.03 inch)
Removing the Spark Plug
1. Disengage the blade-control switch, move
the motion-control levers outward to the P
position, shut off the engine, and remove the
key.
2. Before removing the spark plug(s), clean the
area around the base of the plug to keep dirt
and debris out of the engine.
3. Remove the spark plug
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Checking the Spark Plug
Important:
Do not clean the spark plug(s).
Always replace the spark plug(s) when it has: a
black coating, worn electrodes, an oily film, or
cracks.
Note:
If you see light brown or gray on the insulator,
the engine is operating properly. A black coating on
the insulator usually means that the air cleaner is dirty.
Set the gap to 0.76 mm (0.030 inch).
31
plug(s) condition and gap.
(Figure 36).
Figure 36
ARK
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