LOW OIL PRESSURE AT TORQUE PEAK (LESS THAN 30 PSI, [207 KPA]).

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HIGH OIL PRESSURE AT RATED ENGINE RPM (HIGHER THAN 45 PSI, [311 KPA]).

TM 9-2815-226-34-1

Table 2-1. TROUBLESHOOTING PROCEDURES (Cont)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

24.

LOW OIL PRESSURE AT TORQUE PEAK (LESS THAN 30 PSI, [207 KPA]).

NOTE

Perform steps 1 thru 9 in MALFUNCTION 23 before proceeding with the following

steps.

Step 1.

Check for clogged oil filter.

Replace filter element (TM 9-2320-281-20).

Step 2.

Check for kinked or clogged or leaking oil pressure signal tube to

oil pump.

a. Tighten tube connector.

b. Clean tube.

c. Replace if defective (para 3-6).

Step 3.

Check for oil leaks on suction line and fittings.

Tighten line or replace gaskets (para 3-54).

Step 4.

Check for worn main and rod bearings.

Replace defective main and rod bearings (para 3-6).

2-23