OIL PRESSURE GAGE READS LOW OR NO OIL PRESSURE.

TM 5-2420-224-20-1

Table 3-5. Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

ENGINE (CONT)

Step 2. Remove nut (1) and lock washer (2) and disconnect wire 31P (3) from oil

pressure sender (4). Check for resistance between terminal (5) and casing of

oil pressure sender.

If resistance is not present, replace oil pressure sender

(page 4-202).

If resistance is present, go to step 3.

Step 3. With wire 31P (3) disconnected from oil pressure sender (4), check for

+24 VDC between wire 31P and ground at oil pressure sender.

If +24 VDC is present, notify direct support maintenance.

If +24 VDC is not present, go to step 4.