Table 1. Troubleshooting Procedures--Continued
TEST OR INSPECTION
HIGH OIL PRESSURE IS
Check to see that engine
If grade of engine oil is not
oil is the proper grade.
proper, drain and replace oil with
INDICATED ON GAGE--
correct grade (refer to WP 0044
00). Verify problem is solved. If
oil grade was correct, go to
Check for defective oil
If gage is defective, replace gage
per WP 0120 00. Verify problem
is solved. If gage is not defective,
go to step 4.
Check for plugged or
If hoses/oil cooler are plugged or
restricted oil cooler or
restricted, notify Direct Support
Check for restricted air
If air passages are restricted,
passages or red band in
clear restricted passages and/or
UNDER HEAVY LOAD
air restriction indicator.
replace air filter element (refer to
Verify problem is solved. If
engine still misfires, go to step 2.
Check for dirty,
If fuel is dirty, drain and remove
contaminated, or wrong
fuel tank (refer to WP 0108 00)
grade of fuel.
and fuel lines and replace and
refill tank with clean fuel.
Replace fuel filter (refer to WP
0109 00). Verify problem is
solved. If fuel was okay, go to
Check fuel lines for leaks.
If fuel lines are leaking/damaged,
tighten all connections and
repair/replace any damaged fuel
lines (refer to WP 0109 00).
Verify problem is solved. If fuel
lines still leak, notify Direct