TROUBLESHOOTING - TM-5-3895-349-14-P0668

TROUBLESHOOTING

If the transmission mounted hydraulic brake does not

function properly a number of points can be checked to

determine the malfunction.

1. Is the master cylinder full of the proper fluid? (See

section on types of fluid used with the transmission

mounted hydraulic brake.)

2. Is the brake adjusted properly? (See below for proper

brake adjustment.)

3. When used as a parking brake is the linkage between

Figure 21

the hand brake lever and the brake arm on the side

Position a new O-Ring as shown on the brake disc housing.

of the brake housing adjusted properly, if so, again is

the brake adjusted properly? (See below).

NOTE: Before installing the brake end cover, loosen the

brake adjusting screw jam nut and turn adjusting screw out

BRAKE ADJUSTMENT

two or three turns.

1. Loosen brake adjusting screw jam nut.

2. Disconnect linkage from brake lever arm to parking

brake. (Brake lever arm end only.)

3. Apply pressure by turning brake arm until springs

and clutch brake plate clearance Is removed and

brake assembly is locked up.

4. Turn brake adjusting screw until tight against brake

yoke.

6. Back screw out 1 to 1 turns or .062 to .093

clearance [1,6-2,4 mm].

Figure 22

A guide pin located at the two top corners will assist in

6. Hold adjusting screw from turning and tighten jam

aligning the heavy end plate and brake valve and end

nut.

cover on the disc housing. Install cover to disc housing

bolts and tighten evenly being certain splines on the outer

7. Connect parking brake linkage to brake lever arm.

diameter of the end plate are aligned with the splines in the

disc housing.

Figure 23

Remove guide pins, install upper corner bolts, tighten all

brake valve and end cover bolts 37 to 41 ft.-lbs. torque

[5,1-5,6 mm].