TM-9-2320-260-20
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; UNIT MAINTENANCE
APRIL 1995
TM-9-2320-260-20 - Page 647 of 1337
TM 9-2320-260-20
8-12. MASTER CYLINDER MOUNTING BRACKET REPLACEMENT
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP
APPLICABLE MODELS
REFERENCES (TM)
All
TM 9-2320-260-10
MATERIALS/PARTS
TM 9-2320-260-20P
Cotter pin
EQUIPMENT CONDITION
Seven locknuts
●
Parking brake set (TM 9-2320-260-10).
Woodruff key
●
Wheels chocked (TM 9-2320-260-10).
• Master cylinder removed (para. 8-11).
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Remove cotter pin (8) and pin (7) from clevis rod (12) and lever (23). Discard cotter pin (8).
Loosen nut (22) and screw (24) on lever (23).
Remove lever (23) and woodruff key (21) from shaft (11). Discard woodruff key (21).
Remove locknut (4), screw (1), bumper (3), and brake pedal (6) from bellcrank (2). Discard
locknut (4).
Remove spring (5) from bellcrank (2) and bracket (9).
Remove lever (13) and shaft (11) from mounting bracket (19).
Remove locknut (20) and screw (27) from support lever (25) and master cylinder mounting
bracket (19). Discard locknut (20).
Remove locknut (17) and screw (26) from support lever (25) and left-hand frame rail (16). Discard
locknut (17).
Remove four locknuts (18) and screws (15) from master cylinder mounting bracket (19) and left-hand
frame rail (16). Discard locknuts (18).
Remove two screws (10). locknuts (14). and master cylinder mounting bracket (19) from left-hand
frame rail (16) and bellcrank (2). Discard locknuts (14).
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
8-22
Install master cylinder mounting bracket (19) on left-hand frame rail (16) with four screws (15)
and new locknuts (18).
Install master cylinder mounting bracket (19) on left-hand frame rail (16) with two screws (10) and
new locknuts (14).
Install support lever (25) on left-hand frame rail (16) with screw (26) and new locknut (17).
Install support lever (25) on master cylinder mounting bracket (19) with screw (27) and new
locknut (20).
Position bellcrank (2) in master cylinder mounting bracket (19).
Insert shaft (11) and lever (13) through master cylinder mounting bracket (19) and bellcrank (2).
Install woodruff key (21) and lever (23) on shaft (11).
Install spring (5) on bellcrank (2) and bracket (9).
Install brake pedal (6) and bumper (3) on bellcrank (2) with screw (1) and new locknut (4).
Install clevis rod (12) on lever (23) with pin (7) and new cotter pin (8).
Tighten screw (24) and nut (22) on lever (23).
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