TM-9-2320-279-20-2

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

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; ORGANIZATIONAL MAINTENANCE, VOLUME 2 OF 3

TM-9-2320-279-20-2 - Page 258 of 938

TM 9-2320-279-20-2

Brake and Air System Maintenance Instructions (Cont)

Section IX. TRAILER CONNECTION SYSTEM

11-39. TRACTOR PROTECTION VALVE REMOVAL/INSTALLATION (M977, M978, M984,

M985).

This task covers:

a. Removal

c. Follow-on Maintenance

b. Installation

INITIAL SETUP

Models

M977, M978, M984, M985

Test Equipment

None

Special Tools

None

Supplies

Compound, sealing, pipe thread, Item 18,

Appendix C

Tags, identification, Item 48, Appendix C

Ties, cable, plastic, Item 52, Appendix C

Personnel Required

MOS

63S,

Heavy wheel vehicle mechanic

References

None

Equipment Condition

TM or Para

Condition Description

TM 9-2320-279-10 Shut off engine.

TM 9-2320-279-10 Air system drained.

Special Environmental Conditions

None

General Safety Instructions

None

a.

Removal.

11-172