TM 9-2320-272-24-2
3-425. HAND AIRBRAKE TRACTOR PROTECTION VALVE REPLACEMENT
THIS TASK COVERS:
b. Installation
a. Removal
INITIAL SETUP:
REFERENCES (TM)
APPLICABLE MODELS
TM 9-2320-272- 10
All (except M931/A1/A2, M932/A1/A2,
M933/A1/A2, M936/A1/A2)
TM 9-2320-272-24P
EQUIPMENT CONDITlON
TOOLS
General mechanic's tool kit (Appendix E, Item 1)
Parking brake set (TM 9-2320-272-10).
Air reservoirs drained (TM 9-2320-272-10).
MATERIALS/PARTS
GENERAL SAFETY INSTRUCTIONS
Two locknuts (Appendix D, Item 299)
Antiseize tape (Appendix C, Item 72)
Do not disconnect air lines before draining air
reservoirs.
a. Removal
WARNING
Do not disconnect air lines before draining air reservoirs. Small
parts under pressure may shoot out with high velocity, causing
injury to personnel.
NOTE
Tag air lines for installation.
1.
Disconnect four air lines (2) from elbows (1).
2.
Remove four elbows (1) from valve (3).
3.
Remove two locknuts (6), valve (3), and two screws (5) from frame rail (4). Discard locknuts (6).
b. Installation
1.
Install valve (3) on frame rail (4) with two screws (5) and new locknuts (6).
NOTE
Wrap all male pipe threads with antiseize tape before installation.
2.
Install four elbows (1) on valve (3).
3.
Connect four air lines (2) to elbows (1).
3-1092
