TM-9-2320-260-20
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; UNIT MAINTENANCE
APRIL 1995
TM-9-2320-260-20 - Page 683 of 1337
TM 9-2320-260-20
8-26. TRAILER BRAKE COUPLINGS REPLACEMENT
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP
APPLICABLE MODELS
EQUIPMENT CONDITION
M818
•
Parking brake set (TM 9-2320-260-10).
MATERIALS/PARTS
•
Air reservoirs drained (TM 9-2320-260-10).
Six locknuts
GENERAL SAFETY INSTRUCTIONS
Lockwasher
Do not disconnect air lines before draining air
Antiseize tape (Appendix C, Item 30)
reservoirs.
REFERENCES (TM)
TM 9-2320-260-10
TM 9-2320-260-20P
Do not disconnect air lines before draining air reservoir. Small
parts under pressure may shoot out with high velocity, causing
injury to personnel.
NOTE
Emergency and service coupling hoses are replaced the same way.
This procedure covers the left coupling hoses only.
1. Remove locknut (16), screw (21), strap (17), two straps (15), and hoses (7) from cable support (1).
Discard locknut (16).
2. Remove locknut (18), screw (20), clamp (19), and two hoses (7) from cable support (1). Discard
locknut (18).
3. Disconnect hose (7) from valve (14).
4. Remove air coupling (6) from hose (7).
5. Disconnect air tube (11) from adapter (10).
6. Remove adapter (10) from coupling (13).
7. Remove nut (9), lockwasher (8), valve (14) with coupling (13), and data plate (12) from cable
support (1). Discard lockwasher (8).
8. Remove coupling (13) from valve (14).
9. Remove four locknuts (3), screws (4), and two dummy couplings (5) from spare tire carrier (2).
Discard locknuts (3).
1. Apply antiseize tape to male threads of hose (7), coupling (13), and adapter (10).
2. Install two dummy couplings (5) on spare tire carrier (2) with four screws (4) and new
locknuts (3).
3. Install coupling (13) on valve (14).
8-58
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