6. servicing engine fuel and lubrication systems – Hobart Welding Products ARCSTAR OM-487 User Manual
Page 32
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OM-487 Page 28
7-6.
Servicing Engine Fuel And Lubrication Systems
Ref. ST-801 961 / ST-801 940 / Ref. ST-187 602-A / S-0842
Y
Stop engine and let cool.
1
Oil Drain Valve
2
1/2 ID x 12 in Hose
3
Oil Filter
Change engine oil and filter accord-
ing to engine manual.
Y
Close valve and valve cap
before adding oil and run-
ning engine.
Fill crankcase with new oil to full
mark on dipstick (see Section 4-3).
4
Fuel Lines
Replace fuel lines if cracked or
worn.
5
Primary Fuel Filter
Install new filter as shown.
6
Secondary Fuel Filter
Replace filter according to engine
manual.
Wipe up any spilled fuel.
Start engine, and check for fuel
leaks.
Y
Stop engine, tighten connec-
tions as necessary, and wipe
up fuel.
1
2
3
5
4
Tools Needed:
4
6
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