7-5. MASTER CYLINDER MAINTENANCE
This task covers:
a. Removal
c.
Bleeding
b. Installation
INITIAL SETUP:
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Maintenance and repair shop equipment:
automotive (Appendix B, Item 2)
Materials/Parts
Four locknuts (Appendix G, Item 156)
Personnel Required
One mechanic
One assistant
Manual References
TM 9-2320-387-10
TM 9-2320-387-24P
Equipment Condition
• Hood raised and secured (TM 9-2320-387-10).
• Left splash shield removed (para. 10-23).
Maintenance Level
Unit
a. Removal
CAUTION
Cover or plug all open lines and connections immediately after
disconnection to prevent contamination. Remove all plugs prior to
connection.
NOTE
Perform step 1 for M1114 models only.
1.
Remove locknut (10), washer (11), and bracket (12) from hydro-boost (1). Discard locknut (10).
NOTE
Have drainage container ready to catch brake fluid.
2.
Disconnect brake lines (5) and (6) from master cylinder (2).
3.
Remove locknut (3), washer (4), and differential valve bracket (7) from right master cylinder
mounting stud (9). Discard locknut (3).
CAUTION
Do not lean on master cylinder. Damage to master cylinder may
result.
4.
Remove two locknuts (8) and master cylinder (2) from hydro-boost (1). Discard locknuts (8).
CAUTION
Ensure O-ring is properly seated on master cylinder prior to installa-
tion. Damage to master cylinder may result if O-ring is not properly
seated.
b. Installation
TM 9-2320-387-24-1
7-14
Change 1
