Service Brake System (Part No. 7400050-501)

3.5

The service brake system must be flushed before being put into

To flush the service brake system, proceed as follows:

operation.

(a)

Place one end of a length of rubber tubing over

bleeder port and submerge the free end in a con-

tainer partially filled with hydraulic brake fluid.

(b)

While surge brake actuator on towbar is being actuated,

When air

open bleeder port to allow fluid flow.

bubbles cease and hydraulic fluid stream is a clean

Remove rubber tube.

solid mass, close bleeder port.

Repeat at each wheel, replenishing hydraulic fluid

(c)

in brake master cylinder as necessary.

Repeat procedure until only pure hydraulic fluid

(d)

remains in system.

Brake shoes are self-adjusting but can be adjusted

(e)

by hand (See 5.3.4).

Fill the actuator master cylinder to the mark and

(f)

replace filler cap.