Changing the Engine-Oil Filter
1. Drain the oil from the engine; refer to Changing
the Engine Oil ( page 25 ) .
2. Change the engine-oil lter ( Figure 32 ).
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Figure 32
Note: Ensure that the oil-lter gasket touches
the engine, and then turn the oil lter an extra
3/4 turn.
3. Fill the crankcase with the proper type of new
oil; refer to Engine-Oil Specications ( page 24 ) .
Servicing the Spark Plug(s)
Service Interval : Every 100 hours
Make sure that the air gap between the center and
side electrodes is correct before installing the spark
plug(s). 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 .
T ype of Spark Plug: NGK
®
BPR4ES or equivalent
Air Gap: 0.75 mm (0.03 inch)
Removing the Spark Plug(s)
1. Park the machine on a level surface, engage
the parking brake (if applicable), and lower the
grinder .
2. Shut of f the engine and remove the key .
3. Locate and remove the spark plug(s) as shown
in Figure 33 .
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Figure 33
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