TM 9-2320-260-20
8-22. AIR COUPLINGS REPLACEMENT
THIS TASK COVERS:
(except M813, M813A1, M815, M819)
b. Front Air Couplings Installation
f. Rear Air Couplings Installation
(M813, M813A1, M815, M819)
(except M813, MW3A1, M815, M819)
d. Rear Air Couplings Installation
(M813, M813A1, M815, M819)
INITIAL SETUP
EQUIPMENT CONDITION
APPLICABLE MODELS
Z Parking brake set (TM 9-2320-260-10).
All
Z Air reservoirs drained (TM 9-2320-260-10).
MATERIALS/PARTS
GENERAL SAFETY INSTRUCTIONS
Six locknuts
Do not disconnect air lines before draining air
reservoirs.
Cotter pin
REFERENCES (TM)
TM 9-2320-260-10
TM 9-2320-260-20P
NOTE
Right and left hand air couplings are removed basically the same,
This procedure covers the left side only.
I
a. Front Air Couplings Removal
WARNING
Do not disconnect air lines before draining air reservoir. Small
parts under pressure may shoot out with high velocity, causing
injury to personnel.
1. Remove cotter pin (2) and chain (1) from fender support (3). Discard cotter pin (2).
2. Remove dummy coupling (18) from air coupling (17).
3. Remove air coupling (17) and nipple (16) from valve (15).
4. Remove air line (10), adapter (9), valve (4), and nipple (5) from elbow (6).
5. Remove elbow (6) from coupling (13).
6. Remove nut (7), lockwasher (8), coupling (13), bracket (12), and identification plate (11) from fender
support (3). Discard lockwasher (8).
7. Remove coupling (13) and elbow (14) from valve (15).
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