TM-9-2320-279-34-2

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS DIRECT SUPPORT AND GENERAL SUPPORT, VOLUME 2 OF 3

TM-9-2320-279-34-2 - Page 135 of 632

TM 9-2320-279-34-2

Brake System Maintenance Instructions (Cent)

Section V. TRAILER BRAKE SYSTEM

11-11.

TRAILER SUPPLY VALVE REPAIR.

This task covers:

a. Disassembly

c. Assembly

b. Cleaning/Inspection

d. Follow-on Maintenance

INITIAL SETUP

Models

References

All

None

Test Equipment

Equipment Condition

None

TM or Para

Condition Description

Special Tools

Trailer supply valve on clean

None

work surface.

Supplies

Special Environmental Conditions

Oil, lubricating, Item 46, Appendix C

None

Solvent, dry cleaning, Item 57, Appendix C

General Safety Instructions

Personnel Required

None

MOS 63W, Wheel vehicle repairer

Level

of Maintenance

Direct Support

a. Disassembly.

(1)

(2)

(3)

(4)

Matchmark upper valve body (1) and lower valve

body (2).

Remove two screws (3), lockwashers (4), and end

plate (5).

Separate lower valve body (2) from upper valve

body (l). Set lower valve body aside.

Remove sealing ring (6).

I

11-33