SERVICE BRAKE SYSTEM

BRAKES

relationship between the service brake and the power-

SERVICE BRAKE SYSTEM

shift transmission which must be maintained in order to

retain good inching quality.

GENERAL

CAUTION : Do not use an alcohol base antifreeze as a

The service brake hydraulic system is made up of a

substitute for denatured alcohol, which is recommended

master cylinder assembly, two brake cylinder

in some of the following procedures. This type of anti-

assemblies and the necessary lines (tubing) and

freeze contains additives that may be harmful to rubber

connections to complete the system.

parts.

Braking is accomplished by applying pressure to the

BRAKE SHOES

brake pedal. (Fig. 1) Powershift models

A. GENERAL

The brake shoes are self-centering, thus eliminating a

shoe centering adjustment. The shoe anchor or shoe

stop permits some inward or outward movement of the

shoe, in alignment with the axle radius. Upon brake

application, lining surface pressures force the shoe to

self-center, establishing the anchor pivot point.

Each of the four, two in each drive wheel, brake shoes is

equipped with bonded lining.

B. REMOVAL AND DISASSEMBLY

1. Tilt the uprights back and place several 2 x 6

blocks under each outer upright. Then tilt the uprights

forward until the forward drive wheels are off the

Figure 1.

also have an "inching pedal". (Fig. 2) Depressing the

inching pedal disengages the transmission and at the

proper time applies the brake. There is a definite

operating

Figure 2.

B-129