TM-9-2320-280-20-2

TRUCK, UTILITY: M998 SERIES

TECHNICAL MANUAL; UNIT MAINTENANCE; VOLUME 2 OF 3

JANUARY 1996
TM-9-2320-280-20-2

  TM-9-2320-280-20-2 - Page 753 of 951

7-16. SERVICE BRAKE PEDAL (12338394) REPLACEMENT
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Applicable Models
All vehicles except: M997A2, M1025A2,
M1035A2, M1043A2, M1045A2, M1097A2,
M1123
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Special Tools
Crowfoot, 7/8 in. (Appendix B, Item 153)
Socket adapter (Appendix B, Item 146)
Materials/Parts
Cotter pin (Appendix G, Item 15)
Spring tension washer (Appendix G, Item 317)
Push on nut (Appendix G, Item 226)
Two sleeve bearings (Appendix G, Item 3)
Grease (Appendix C, Item 22)
Manual References
TM 9-2320-280-10
TM 9-2320-280-24P
Equipment Condition
Protective control box removed (para. 4-5).
1.
Remove push on nut (9) and disconnect stoplight switch rod (1) from brake pedal assembly (8).
Discard push on nut (9).
2.
Disconnect return spring (2) from brake pedal assembly (8).
3.
Remove cotter pin (12), washer (11), and hydro-boost pushrod (5) from brake pedal bellcrank (6).
Remove spring tension washer (7). Discard cotter pin (12) and spring tension washer (7).
4.
Remove nut (4), two washers (3), pivot pin (14), and brake pedal assembly (8) from bracket (13).
5.
Remove two sleeve bearings (10) from brake pedal assembly (8). Discard sleeve bearings (10).
1.
Apply grease to inside of two sleeve bearings (10). Install two sleeve bearings (10) in brake pedal
assembly (8).
2.
Install brake pedal assembly (8) to bracket (13) with pivot pin (14), two washers (3), and nut (4).
Using adapter and crowfoot, tighten nut (4) to 60 lb-ft (81 N
•
m).
3.
Install spring tension washer (7) to brake pedal bellcrank (6). Connect hydro-boost pushrod (5) to
brake pedal bellcrank (6) with washer (11) and cotter pin (12).
4.
Connect return spring (2) to brake pedal assembly (8).
5.
Connect stoplight switch rod (1) to brake pedal assembly (8) with push on nut (9).
b. Installation
a. Removal
TM 9-2320-280-20-2
7-40
Change 3


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