TM-9-2320-272-24-3

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

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 3 OF 4

JUNE 1998

TM-9-2320-272-24-3 - Page 238 of 799

TM 9-2320-272-24-3

4-80. TRANSMISSION FIFTH GEAR LOCK-IN SOLENOID REPLACEMENT (Contd)

b. Installation

NOTE

l

Wrap all male threads with antiseize tape before installation.

l

Only M936/A1/A2 series vehicles are equipped with check valve.

l

When installing check valve, ensure end with small bleed holes

is facing away from adapter.

1.

Install check valve (5) and adapter (6) on transmission governor pressure port (4).

2.

Install adapter (2) on transmission main pressure port (3).

3.

Install support bracket (11) on transmission (8) with four screws (10).

4.

Install adapters (12) and (14) on fifth gear lock-in solenoid (13).

5.

Install fifth gear lock-in solenoid (13) and ground lead (16) on support bracket (11) with two

screws (15), new lockwasher (17), and two new locknuts (20).

6.

Install new tiedown strap (18) on harness (19) and ground lead (16).

7.

Connect lead (9) to connector (21).

8.

Connect governor pressure line (7) to adapters (14) and (6).

9.

Connect main pressure line (1) to adapters (12) and (2).

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