TM 9-2330-359-14&P
4-42. STANDARD AND FAILSAFE AIRBRAKE CHAMBERS MAINTENANCE.
This Task Covers:
a.
Removal
d.
Assembly
b.
Disassembly
e.
Installation
c.
Cleaning and Inspection
Initial Setup:
Equipment Conditions:
Materials/Parts:
Brakes caged (para 2-16).
Dry cleaning solvent (Item 12, Appendix E)
Air lines, hoses, and fittings disconnected from
One cotter pin
airbrake chamber (para 4-35 or 4-36).
Two locknuts (alI except M872A3)
Tools/Test Equipment:
• General mechanic’s tool kit
a.
REMOVAL
NOTE
Standard airbrake chambers are mounted on front and rear axles. Failsafe airbrake
chambers are mounted on middle axle only. Removal of standard unit is shown.
1.
Remove cotter pin (2), clevis pin (8), and discon-
nect clevis (7) from slack adjuster (6). Discard
cotter pin.
NOTE
M872A3 airbrake chamber is mounted to axle
bracket with nuts Instead of locknuts.
2.
Remove two locknuts (5), flatwashers (4), and
airbrake chamber (1) from axle bracket (3).
Discard locknuts.
b.
DISASSEMBLY
WARNING
DO NOT attempt to disassemble failsafe airbrake chamber. Failsafe chamber is under
extreme pressure. Failure to follow this warning may result In serious Injury or death to
personnel.
Remove clevis (7) and jamnut (9) from pushrod (10).
TA508041
4-76
