Operational Checkout Procedure
ENGINE OIL LEVEL AND
YES: Add oil if low.
Change oil and filter if too
high, milky or grainy. Go
to Group 9000-04. Check
oil level after a few hours
operation to determine if
a problem exists. Go to
NO: If engine oil level
indicator does not come
ON, go to Monitor
Diagnostic Information in
If oil level is OK, go to
A--Pre-Operation Level Check Switch
B--Engine Oil Level Indicator
Remove dipstick and check oil level and condition.
Is oil above "full" mark or below "add" mark on dipstick?
Does the oil look milky or grainy?
If oil level is high, check for fuel or anti-freeze. Drain a small amount of engine oil into
a clear container. Watch oil in container to see if anti-freeze or water accumulates at
the bottom. If oil is milky, moisture or anti-freeze may be present.
If oil is grainy, carbon may be present. Carbon in oil may result when engine runs at
slow idle too long.
If oil level is low, check for oil leaks or oil seal problems in engine.
Adjust oil level to between "add" and "full" marks on dipstick.
Key switch ON.
Push pre-operation level check switch (A).
Is green light for engine oil level indicator (B) ON?