Miller Electric Big Blue 251D manual Maintenance and Troubleshooting

SECTION 8 − MAINTENANCE AND TROUBLESHOOTING

8-1. Routine Maintenance

	Y Stop engine before maintaining.
	. See Engine Manual and Maintenance Label for impor-
	tant start-up, service, and storage information. Service
Recycle engine	engine more often if used in severe conditions.
	* To be done by Factory Authorized Service Agent.
fluids.

Every 8 h

Wipe Up

Spills.

Check Fluid

Levels. See

Section 5-4.

FUEL	Drain Water
WATER	From Fuel
	System. See
	Section 8-4.

Every 50 h

Clean Air Filter. See Section 8-3.

Clean And

Tighten Weld

Terminals.

Every 100 h

Check air cleaner hoses for cracks and loose clamps.

Clean

Cooling

System.

Clean And

Tighten

Battery

Connections.

Every 200 h

Every 250 h

Replace

Unreadable

Labels.

Check And

Clean Spark

Arrestor. See

Section 8-8.

Every 500 h

Change Oil. See

Section 8-4.

Change Oil	Repair Or
	Replace
Filter. See
	Cracked
Section 8-4.
	Cables.

		Every 1000 h
	Blow Out Or		Service Welding
OR	Vacuum Inside.	Change Fuel	Generator Brushes
	During Heavy		And Slip Rings.
		Filters. See
	Service,		Service More Often
		Section 8-4.
	Clean Monthly.		In Dirty Conditions.*

1/2 in.	Check
(13 mm)	Belt
	Tension.

FUEL	Drain Sludge
	From Fuel
SLUDGE
	Tank. See
	Section 8-4.

Check

Valve

Clearance.*

Every 3000 h

Clean/Set

Injectors.*

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