Servicing The Spark Plug - Toro TimeCutter MX 5025 Operator's Manual

Figure 36
Note:
Ensure that the oil-filter gasket touches
the engine, and then turn the oil filter an extra
3/4 turn.
3. Fill the crankcase with the proper type of new
oil (Figure 35).

Servicing the Spark Plug

Service Interval: Every 100 hours
Ensure that 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 and a gapping tool or feeler gauge to
check and adjust the air gap. Install a new spark plug
if necessary.
Type of Spark Plug: NGK
Air Gap: 0.75 mm (0.03 inch)
Removing the Spark Plug
1. Park the machine on a level surface, disengage
the blade-control switch (PTO), and engage the
parking brake.
® BPR4ES or equivalent
2. Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3. Clean the area around the base of the plug to
keep dirt and debris out of the engine.
4. Remove the spark plug
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.
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If you see light brown or gray on the insulator, the
engine is operating properly. A black coating on the
insulator usually means the air cleaner is dirty.
Set the gap to 0.75 mm (0.03 inch).
34
(Figure 37).
Figure 37
Figure 38
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