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. R e m o v a l.
11-172
