Hobart Welding Products OM-493 manual Maintenance

SECTION 7 – MAINTENANCE

7-1. Routine Maintenance

Note	Follow the storage procedure in the engine owner’s manual if the unit will not be used for an
	extended period.
		Y Stop engine before maintaining.
	Recycle	. See Engine Manual and Maintenance Label. Ser-
	engine	vice more often if used in severe conditions.
	fluids.	* To be done by Factory Authorized Service Agent.

Check fluid levels. See Section 4-2.

Wipe up spills.

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 cooling system. See Engine Manual.

Clean and tighten weld terminals.

100 h

Change oil. See Section 7-5 and maintenance label.

Change oil filter. See	Clean	and
Section 7-5 and	tighten battery
maintenance label.	connections.

Service air clean- er element. See Section 7-3.

200 h

	Replace
Check	fuel filter.
	See
valve
	Section
clearance.*
	7-5.

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

monthly.

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