TM 5-3825-270-23&P
0122
TESTING - Continued
6, 7
Figure 3. Engine Oil Pressure Testing.
WARNING
Keep hands and test equipment clear of engine drive belts and cooling fan while observing
engine oil pressure. Failure to comply may result in damage to equipment, death, or serious
injury to personnel.
5.
Start engine. (TM 5-3825-270-10)
NOTE
Minimum allowable oil pressure at idle speed is 7 psi (49 kPa).
6.
With engine at idle speed of 900 to 1100 rpm, note gauge reading. Verify oil pressure shows approximately
14 psi (98 kPa).
NOTE
Minimum allowable oil pressure at maximum speed is 21.3 psi (147.1 kPa).
7.
Increase engine to maximum speed of 2,400 rpm, note gauge reading. Verify oil pressure is 28 to 57 psi (196
to 393 kPa).
8.
Return engine to idle speed and shut engine OFF. (TM 5-3825-270-10)
9.
Remove engine oil pressure tester (Figure 4, Item 7) from test kit adapter (Figure 4, Item 6).
