BRAKE SYSTEM - TM-55-1740-200-140135

TM 55-1740-200-14

b. Remove cup (4) from piston (5). Remove cup (6)

4-339. BRAKE SYSTEM.

and spring (7) from cylinder (10).

4-340. REMOVAL. Refer to figure 4-42 and remove

4-345 . VACUUM BOOSTER.

the brake system tubing and components as follows:

4 - 3 4 6 . REMOVAL. Remove the vacuum booster

(l).

a. Remove nut (2) and washer (3) and remove pad

assembly as outlined in paragraph 4-340c.

two

Remove spring (8). Remove two cotter pins (5) and

pins (6 and 7) and remove lever (4). Remove

rod

4-347. DISASSEMBLY. Refer to figure 4-44 and dis-

rod

assembly and remove clevis (13) and nut (14) from

assemble the vacuum booster assembly as follows:

(15). Remove rod (16).

a. Remove two clamps (30) and remove hose (31) and

b. Remove brakeline (17) and remove bolt (19),

tube assembly (32). Remove plug (33). Remove retaining

washer (20), connector (21) and gasket (22) from

ring (26) and remove cover (27), washer (25) and spring

cylinder (23). Remove plug (18) and gasket (20). Remove

(29). Remove five screws (35) and washers (36). Remove

three screws (24) washers (25) and nuts (26) and remove

body and poppets (34), spring (37), diaphragm (38),

cylinder (23). Remove four screws (10), washers (11) and

gasket (39) and fitting (42). Remove two cups (44),

nuts (12) and remove bracket (9) and bracket (28) and

piston (45), packing (43), retaining ring (40) and washer

spacer.

(41) from fitting (42).

c. Remove six clamps (29) and remove three hoses

(30, 32 and 61) and check valve (31). Remove two

b. Remove two bleeder valves (1) and remove plug (2)

clamps (63) and remove hose (64). Remove two tubes (17

and gasket (7). Remove retaining ring (6), washer (5),

and 43). Remove three nuts (74) and washers (75) and

spring (4) and check valve (3) from cap (2). Remove tube

remove vacuum booster (73).

(8) and remove packing (10), washers (11), and nut (9)

from tube (8).

d. Remove bolt (67), gasket (68), fitting (69) and

gasket (70) from booster (73). Remove elbow (62),

c. Remove retaining ring (12) and remove retainer

bushing (71 ) and gasket (72) from booster (73). Remove

(13), spring (14), ball (15), cup (16) and piston (17).

nut (66) and air cleaner (65).

Remove pin (19) and retaining ring (18) and remove

washer (20), spring (21), sleeve (22), retainer (23), cup

e. Remove two screws (36), washers (37) and nuts

(24), and washer (25).

(38) and remove two clamps (35). Remove six loop

clamps (39). Remove six tubes (40, 41, 42, 44, 45 and

d. Remove four nuts (48), washers (47) and bolts (46)

and remove plate (50), spring (52) and piston assembly.

60). Remove four hose assemblies (52) and remove four

Remove seal (49) and ring (51 ) from plate (50).

nuts (50) and washers (51).

e. Remove nut (53) and remove plate (56), retaining

f. Remove tube (33) and elbow (34). Remove two

ring (54), wick (55), plate (57), packing (58), seal (59),

gaskets (53), adapters (54) and gaskets (55). Remove two

plate (60) and washer (61) from rod (62). Remove plug

bolts (56), gaskets (57), fittings (58) and gaskets (59).

(63) from shell (64).

Remove two screws (47), washers (48) and nuts (49) and

remove two tees (46).

4-348. AXLE DIFFERENTIAL.

4-341. DISASSEMBLY. None required.

4-349. REMOVAL. Remove the axle differential as

outlined in paragraph 4352.

4-342. MASTER CYLINDER.

4-350. DISASSEMBLY. See figure 4-45 and dis-

4-343. REMOVAL. Remove the master cylinder as

assemble the axle differential as follows:

outlined in paragraph 4340b.

4-344. DISASSEMBLY. Refer to figure 4-43 and dis-

a. Remove cotter pin (1) and nut (2) and remove

assemble the master brake cylinder as follows:

washer (3), yoke (4), seal (5) and spacer (6).

a. Remove filler cap (8) and washer (9). Remove boot

b. Remove screw (24) and remove retainer nut (25),

(l). Remove clip (2), washer (3) and piston assembly.

two bearings (26), and cup (27).

4-83