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 143 of 632

TM 9-2320-279-34-2

Brake System Maintenance Instructions (Cont)

(17)

Install outer friction disk (34), non-metallic disk (35), friction plate (36), cam retainer (37), and

cam retainer screw (38).

(18) Install three setscrews (39) in cam retainer (37). Tighten each setscrew same number of turns.

(19) Install knob (40) on valve handle (41). Install valve handle and control lever (42) on cam

housing (3) with screw (43) and washer (44).

d. Follow-on Maintenance

None.

END OF TASK

11-13. TRACTOR PROTECTION VALVE REPAIR.

This task covers:

a. Disassembly

c. Assembly

b. Cleaning/Inspection

d. Follow-on Maintenance

INITIAL SETUP

Models

Equipment Condition

All

TM or Para

Condition Description

Test Equipment

Tractor protection valve on

None

clean work surface.

Special Tools

Special Environmental Conditions

None

None

supplies

General Safety Instructions

Oil, lubricating, Item 46, Appendix C

None

Solvent, dry cleaning, Item 57, Appendix C

Level

of Maintenance

Personnel Required

Direct Support

MOS 63W, Wheel vehicle repairer

References

None

11-41