Pedal. Brake and Inching

(1) Position the pedals on the shaft. Raise the

(1) Lubricate the parts and the cylinder bore

shaft and pedal assembly into alignment with the

with clean hydraulic brake fluid.

hole in the steering column mounting bracket and

(2) Refer to figure 4-20. Insert a cup and

push the shaft into the hole.

piston in one end of the cylinder. Never try to push

(2) Insert the 2 in. long capscrew into the end

a piston through the length of the cylinder.

of the shaft and pull the shaft out far enough to

(3) Insert the spring, the cup, and the piston in

locate the setscrew holes. Align them with the

the other end of the cylinder.

setscrew holes in the mounting brackets, push the

(4) Install the cylinder boots. Make certain

shaft in, and install the setscrews. Remove the

they are properly seated in the grooves provided in

capscrew and tighten the mounting bracket.

the casting.

e. Installation. Refer to TM 10-3930-624-12.

(3) Install the brake pedal stop and the pedal

springs. Connect the master cylinder clevis pin.

4-13. Pedal. Brake and Inching

(4) Make any necessary adjustments (subpara

c).

a. Removal.

(5) Install the toe plate and floor plate.

(1) Remove the floor plate and toe plate.

c. Adjustment.

(2) Disconnect the master cylinder clevis pin.

(1) Mechanical adjustment. (fig. 4-21.)

Remove the pedal springs and the brake pedal stop.

Caution: Ensure that the inching

(3) Remove the setscrews holding the shaft in

plunger is completely bottomed before making

position. Install a 2 inch long capscrew in the end of

any adjustments. Be sure that the inching pedal

the pedal shaft.

stop prevents the inching plunger from pierc-

(4) Pressing against the capscrew, press the

ing the back of the control valve.

shaft out of the steering column mounting bracket

(a) With the brake pedal in the normal

into the opposite bracket and remove the capscrew.

(5) Loosen the bracket capscrews and lower

position, set the inching pedal stop to allow a

1/16- 1/4 in. gap between the pickup lug and

the assembly until the shaft can be removed from

the pedals. Remove the pedals from the truck.

brake pedal.

b. Installation.

4-23