Miller Electric 400P, 500 X Servicing Fuel And Lubrication Systems, To change oil and filter

9-7. Servicing Fuel And Lubrication Systems

! Stop engine and let cool.

! After servicing, start engine and check for fuel leaks. Stop engine, tighten connec- tions as necessary, and wipe up spilled fuel.

4				1	Oil Filter
				2	Oil Drain Valve And Hose
				3	Oil Fill Cap
5		3		4	Fuel Line
				5	Primary Fuel Filter (Fuel/
	6				Water Separator)
		7		6	Petcock
				7	Secondary Fuel Filter
				8	Fuel Tank Sludge Drain Valve
				To change oil and filter:
				Route oil drain hose and valve
				through hole in base. See engine
			1	manual and engine maintenance
				label for oil/filter change in-
				formation.
				To drain water from fuel system:
				Open primary fuel filter petcock and
				drain water into metal container.
				Close petcock when water-free fuel
				flows.
				To replace primary fuel filter:
				Turn filter counterclockwise. Re-
				move filter.
				Fill new filter with fresh fuel. Apply
				thin coat of fuel to gasket on new fil-
				ter. Install new filter and turn clock-
				wise. Bleed air from fuel system ac-
				cording to engine manual.
				Inspect fuel lines, and replace if
				cracked or worn.
				To replace secondary fuel filter:
				See engine manual.
		2		To drain sludge from fuel tank:
		8		!	Beware of fire. Do not smoke
					and keep sparks and flames
					away from drained fuel. Dis-
					pose of drained fuel in an en-
					vironmentally-safe manner.
					Do not leave unit unattended
					while draining fuel tank.

! Properly lift unit and secure in a level position. Use ade- quate blocks or stands to support unit while draining fuel tank.

Attach 1/2 ID hose to drain valve. Put metal container under drain, and use screwdriver to open sludge drain valve. Close valve when sludge has drained. Remove hose.

Close door. Tools Needed:

802 490 / Ref. 801 434

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