OM-493 Page 20
SECTION 7 – MAINTENANCE

7-1. Routine Maintenance

Follow the storage procedure in the engine owner’s manual if the unit will not be used for an

extended period.

Note
Recycle
engine
fluids.
Stop engine before maintaining.
See Engine Manual and Maintenance Label. Ser-
vice more often if used in severe conditions.
* To be done by Factory Authorized Service Agent.
Wipe up spills.
Check fluid levels.
See Section 4-2.

20 h 25 h

Check and clean
spark arrestor screen.
See Section 7-7.
Service air
cleaner wrapper
(foam element).
See Section 7-3.

50 h

Clean and
tighten weld
terminals.
Clean cooling system.
See Engine Manual.

100 h

Change oil. See
Section 7-5 and
maintenance label.
Change oil filter. See
Section 7-5 and
maintenance label.
Clean and
tighten battery
connections.
Service air clean-
er element. See
Section 7-3.

200 h

Replace
fuel filter.
See
Section
7-5.
Check
valve
clearance.*
Check
spark
plugs.
Replace
unreadable
labels.

500 h

Repair or
replace cracked
cables.
Service welding generator
brushes and slip rings. Service
more often in dirty conditions.*

1000 h

Blow out or
vacuum inside.
During heavy
service, clean
monthly.
OR
Clean crankcase
breather valve.
Remove cylinder
head deposits.*