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 218 of 836

TM 9-2320-272-24-4

5-31. MOUNTING FUEL INJECTION PUMP TO TEST STAND (Contd)

b. Removing Fuel Injection Pump from Test Stand

1.

Install new copper washer (10) and plug (9) on fuel pump (11).

2.

Disconnect test stand supply line (4) from outlet elbow (5).

3.

Remove outlet elbow (5) from fuel pump (11).

4.

Install two new copper washers (6), adapter (8), and plug (7) on fuel pump (11).

5.

Disconnect air line (3) from manifold pressure compensator (2).

6.

Disconnect six test stand fuel lines (1) from delivery valve holders (12).

7.

Remove two screws (29) and washers (28) from rear support bracket (30).

8.

Remove four nuts (17) and lockwashers (16) from drive coupling (39). Discard lockwashers (16).

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