Slack Adjusters and Lines

TM 10-3930-634-12

4-59. Slack Adjusters and Lines

a. Removal. Refer to figure 4-31 for location of slack

adjusters and remove as follows:

(1) Tag and disconnect two hydraulic lines to each

slack adjuster.

NOTE

Cap all lines when disconnected to

prevent foreign material from enter-

ing the brake system.

(2) Remove two screws, nuts and lock washers at-

taching each slack adjuster to the main frame. Remove

the four slack adjusters.

b. Cleaning and Inspection.

(1) Clean slack adjuster with an approved cleaning

solvent and dry thoroughly.

(2) Inspect for corrosion, cracks, and loose connec-

tions. Check hoses for cuts and deterioration.

c. Installation. Refer to figure 4-31 and install the

slack adjusters as follows:

(1) Use two screws, nuts and lockwashers to mount

each of the four slack adjusters to the main frame.

(2) Reconnect two hydraulic lines to each of the

slack adjusters.

d. Bleeding. After installation of slack adjusters,

refer to paragraph 4-75b and bleed the hydraulic brake

system.

4-60. Brake Accumulator Cylinder (figure

4-33)

a. General. The accumulator is provided to store

energy for a limited number of brake applications. The

accumulator system provides pressure for the brake

system even when the engine is not operating. The ac-

cumulator is provided with a free piston and is charged

with nitrogen at approximately 275 psi. For access to

the accumulator cylinder, remove the forward panels

under the rear fenders.

b. Inspection. Inspect the accumulator for loose or

corroded fittings or other damage.

Figure 4-32. Parking brake cable and lever, removal

and installation.