Miller Electric OM-129, 500DX R manual Servicing Fuel And Lubrication Systems

7-4. Servicing Fuel And Lubrication Systems

10

Under Left Side

Of Fuel Tank

7

4

1

2

8

9	5
		3
Valve Open	6	2

Tools Needed:

3/8, 7/16, 3/4 in

YStop engine and let cool. 1 Oil Filter

2 Oil Drain Plug

3 Oil Drain Hose (Optional)

4 Oil Fill Cap

5Primary Fuel Filter (Fuel/ Water Separator)

6Petcock

7Secondary Fuel Filter

8Fuel Shutoff Valve

9Fuel Line

10Sludge Drain Plug

To change oil and filter:

See engine manual.

To drain water from fuel system:

Open primary fuel filter petcock and drain water into metal contain- er. Close petcock when water-free fuel flows.

To replace primary fuel filter:

Close shutoff valve and turn filter counterclockwise. Remove filter.

Apply thin coat of fuel to gasket on new filter. Install new filter and turn clockwise. Open shutoff valve. Bleed air from fuel system accord- ing to engine manual.

Inspect fuel line, and replace if cracked or worn.

To replace secondary fuel filter:

See engine manual.

To drain sludge from fuel tank:

Put metal container under drain, and remove sludge drain plug. Re- install plug when done.

YAfter servicing, start engine and check for fuel leaks.

YStop engine, tighten con- nections as necessary, and wipe up spilled fuel.

Close doors.

Ref. ST-158 633-C / Ref. ST-180 933-B

OM-129 647 Page 30