TM 5-2420-231-23-1
0024
Table 1. Low Engine Oil Pressure Indicator Fault.
0024
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Low Engine Oil Pressure
Test Step 1. Verify Correct Operation
Indicator Fault
of Low Engine Oil Pressure
Indicator.
1. Check level of engine oil in crank-
Engine Oil Level Below Minimum
case (WP 0126). Oil should be vis-
Line on Dipstick - Add engine oil (WP
ible between top and bottom lines
0126).
at lower end of dipstick.
If engine oil leak is suspected, continue
troubleshooting using WP 0016.
Proceed to step 2.
Engine Oil Level Between Minimum
and Maximum Lines on Dipstick -
Proceed to step 2.
2. Turn ignition switch to the on posi-
tion (TM 5-2420-231-10).
3. Start and operate engine for
approximately 10 minutes (TM 5-
2420-231-10).
4. Check if engine oil pressure indi-
Engine Oil Pressure Indicator Is On
cator (Figure 1, Item 1) is on (TM
(Red) - Proceed to step 8.
5-2420-231-10).
Engine Oil Pressure Indicator Is Off -
Troubleshooting complete.
Figure 1. Engine Oil Pressure Indicator.
0024
5. Turn ignition switch to the off
position (TM 5-2420-231-10).
6. Change engine oil and filter
(WP 0126).
7. Start and operate the engine for
Engine Oil Pressure Indicator Is On
approximately 10 minutes (TM 5-
(Red) - Proceed to step 8.
2420-231-10).
Engine Oil Pressure Indicator Is Off -
Troubleshooting complete.
