b. Disassembly. Disassemble master brake
3-23. Master Brake Cylinder
a. Removal. Remove master brake cylinder (TM
cylinder as shown in figure 3-19.
10-3950-203-20).
Figure 3-19. Master brake cylinder, exploded view.
1 Plug
9 Ring
2 Gasket
10 Cup
3 Yoke
11 Protector
4 Stud
12 Cup
5 Rod
13 Spring
6 Boot
14 Seat
7 Lockwire
15 Check valve
8 Plate
16 Cylinder
c. Cleaning and Inspection.
e. Installation. Install master brake cylinder
(1) Clean all parts.
(TM 10-3950-203-20).
(2) Inspect piston-fit in cylinder bore. Replace
3-24. Differential
piston and / or cylinder if clearance exceeds 0.005 in.
a. RemovaL. Remove front wheel drive gears and
shafts (para 3-21).
(3) Replace piston cups.
(4) Hone cylinder as required to remove rough
WARNING
spots.
Take precautions to prevent dropping
(5) Inspect all parts for cracks or other defects.
and damaging differential when handling-
Replace defective parts as necessary.
NOTE
b. Disassembly. Disassemble differential as
Lubricate rubber parts with brake fluid before
reassembly.
shown in figure 3-20 to extent necessary to effect
d. Reassembly. Reassemble master brake
repair. Do not disassemble spider gear case and
cylinder by reversing disassembly procedure.
ring gear unless necessary.
3-31
