Feed Pump Pressure Test; Air Tightness Test - Isuzu C-240PW-28 Technical Manual

ARMY TM 9-2815-254-24
AIR FORCE TO 38G1-94-2
(2) Install plug in discharge port.
(3) Connect an air supply to suction port and apply a pressure of 28.5 psi (196.5 kPa).
(4) Immerse feed pump in a container of diesel fuel and check for air leakage. There must be no air leakage.
(5) Install feed pump on pump housing. Refer to paragraph 3-11.4.2.
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FIGURE 3-35. Feed Pump Pressure Test
FIGURE 3-36. Air Tightness Test