Miscellaneous
Maintenance
Servicing the Spark Arrestor
Muffler
Service Interval:
Every 250 hours—Service the spark
arrestor.
Every 250 hours operation, clear the muffler of carbon
buildup.
1. Remove the pipe plug from the clean-out port at the
lower side of the muffler.
CAUTION
The muffler may be hot and could cause injury.
Be careful while working around the muffler.
2. Start the engine. Plug the normal muffler exit with a
block of wood or metal plate so that the exhaust flow
will be forced out of the clean-out port. Continue to
block the exit until carbon deposits cease coming
out of the port.
CAUTION
Do not stand in line with the clean-out port.
Always wear safety glasses.
3. Stop the engine and replace the pipe plug.
Cleaning the Cab Air Filters
Service Interval:
Every 250 hours—Clean the cab
air filters. (Clean more frequently in
extremely dusty or dirty conditions
and replace them if they are torn or
excessively dirty.)
1. Remove the thumb screws and grates from over
both the in-cab and rear cab air filters (Figure 103).
G009265
1
2
3
G009266
1
2
3
Figure 103
1.
Thumb screw
3.
Air filter
2.
Grate
2. Clean the filters by blowing clean, oil free,
compressed air through them.
Important:
If either filter has a hole, tear, or
other damage, replace it.
3. Install the filters and grate, securing them with the
thumb screws.
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