Section III. BRAKE MASTER CYLINDERS

TM 10-3930-632-34

Section III. BRAKE MASTER CYLINDERS

11-6.

General

11-7.

Removal

The brake master cylinders are conventional

automotive-type units. When the brake pedal is pushed,

Remove the brake master cylinders (TM 10-3930-

it forces a piston to move in a close-fitting cylinder. This,

632-12).

in turn, causes brake fluid in the cylinder to be forced out

of the cylinder into the brake lines. The service brake

11-8.

Disassembly

fluid is directed to the wheel cylinders. The inching brake

fluid is directed to an inching valve and to the wheel

Refer to figure 11-2 and disassemble the service

cylinders. Slight inching pedal pressure produces an

brake master cylinder.

inching or creeping motion. Complete pedal depression

disassemble the inching brake master cylinder.

will stop the truck.

Figure 11-2. Service Brake Master Cylinder. Exploded View.

11-3