Feed Pump Test - Isuzu C-240PW-28 Technical Manual

ah. Perform feed pump suction test as follows:
(1) Install feed pump, paragraph 3-11.4.2.
(2) Attach a 6.5 ft (2 m) length of 0.315 in. (8 mm) ID pipe to suction port of feed pump and insert other end
into fuel container. Refer to FIGURE 3-32.
(3) Attach pipe to discharge port of feed pump and insert other end into empty container.
(4) Operate injection pump at 100 rpm.
(5) Fuel oil must be discharged in less than 60 seconds.
ai. Perform feed pump priming pump test as follows:
(1) Pump should be piped as in step ah, refer to FIGURE 3-33.
(2) Fully loosen priming pump's screw cap.
(3) Operate priming pump at 60 to 100 strokes per minute.
(4) Fuel oil must be discharged in less than 25 strokes.
N O T E
Ensure a suction head of approximately 3.3 ft (1 m).
FIGURE 3-32. Feed Pump Test
ARMY TM 9-2815-254-24
AIR FORCE TO 38G1-94-2
3-59