TM-9-2320-272-24-4

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 4 OF 4

JUNE 1998

TM-9-2320-272-24-4 - Page 125 of 836

TM 9-2320-272-24-4

5-18. FUEL PUMP SETUP AND CALIBRATION (Contd)

n. Shutdown and Removal from Test Stand

1.

Depress test stand stop button (11).

2.

Place test stand fuel heat switch (10) in OFF position.

3.

Close test stand fuel pressure control valve (12) and fuel flow control valve (17).

4.

Remove 1/4 in. (6.35 mm) flexible hose (13) from small fitting (9) on fuel pump (3) and auxiliary

return fitting (16) on test stand (2).

5.

Remove leakage accumulator hose (15) from No. 1 accumulator can (14) and stand leak test

connector (17).

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