Repair, Adjustment and Installation of Surge Brake Actuator

(e) Adjust parking brake by turning knob at end of handle to

right to increase braking and to the left to decrease braking.

(f) When required, add hydraulic fluid, Federal Specification,

W-B-680 to service brake master cylinder.

CAUIION

To prevent damage to parts, never back off adjusting

screw without holding adjusting lever away from adjust-

ing screw. Since adjusting lever is not in contact

with adjusting screw in (d) drove, no clicking will

be heard as screw is turned.

5.6

Repair, Adjustment and Installation of Surge Brake Actuator

Repair and/or replacement of parts (See Figures 7-8 & 7-17)

5.6.1

To inspect, repair and replace parts, proceed as follows:

(a) Disconnect brake hose assembly and remove four (4) bolts

holding surge brake to towbar.

(b) Loosen lock nut Item ll Figure 7-17 and unscrew master

cylinder, Item 12 off lunette assenmbly, Item 22.

(d) All floating parts may now be removed for inspection or

replacement as required.

(e) Re-assemble parts in relation shown on Figure 7-17.

(f) Tighten retainer nut, Item 21.

(g) Reinstll actuator and lunette assembly on towbar; fill

and bleed the brake system as in paragraph 3.4.

5.6.2

Surge Brake Adjustment

With reservoir cap removed, adjust brake as follows:

Loosen jam nut in front of master cylinder.

(a)

Looking down through filler cap, two holes will be seen.

(b)

The smaller hole is used as an opening for adjustment.

19.1