TM-9-2320-272-24-1

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

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 1 OF 4

JUNE 1998

TM-9-2320-272-24-1 - Page 758 of 1015

TM 9-2320-272-24-1

3-143. TRANSFER CASE INTERLOCK VALVE REPLACEMENT (Contd)

b. Installation

NOTE

Male pipe threads must be wrapped with antiseize tape before

installation.

1.

Install elbow (2), adapter (4), and two elbows (5) and (11) on interlock valve (3).

2.

Install interlock valve (3) on bracket (13) with two screws (14).

NOTE

Assistant will help with step 3.

3.

Install screw (10) and cable clamp (15) on Frame (7) with new lockwasher (21), interlock valve

ground wire (16), new locknut (20), diode ground wire (19), washer (18), and new locknut (17).

4.

Connect wire (8) to connector (9).

5.

Connect vent line (12) to elbow (11).

6.

Connect air cylinder supply line (1) to elbow (2).

7.

Connect interlock valve supply line (6) to elbow (5).

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