Chevrolet Light Operator's Manual page 55

flg.51_Adj".,lngB,,,h.
3. Remove the adjusting
hole covers and insert a
screwdriver through the ad-
justing hole and engage the
teeth on the adjusting cover
of the wheel cylinder (fig.
51). Turn the adjusting
cover in a clockwise direc-
tion looking at the end of
the cylinder until the shoes
cause a slight drag on the brake drum.
4. When the "drag" condition is reached, turn the adjusting
cover in the opposite direction five (5) notches. Repeat this
operation on each shoe in each brake.
NOTE: The backing-oil of the adjusting cover the specified num-
ber of notches will be indicated by a faint click of the cover
lock' spring as the cover is turned. This backing-off of the adjust-
ing cover moves the brake shoe away from the drum to insure
proper running clearance of the shoes in the drum.
5. Connect parking brake
cables and adjust. (See Park-
ing Brake Adjustment.)
Brake Adjustment (1 ton
rear).
To adjust the rear brakes,
use a
%"
open end wrench to
turn the adjusting pinion.
1. Raise rear of truck so
fig. 52-Adjll,';ng..J-T"n Rea.
BT,,~e.
wheels clear floor.
2. Turn the adjusting pinion (fig. 52), in a clockwise direc-
tion until the shoe causes a slight drag on the brake drum.
3. Turn the adjusting pinion back in the opposite direction
73
of
a
turn to provide running clearance. Repeat this oper-
ation on each shoe in each brake. Lower truck to floor.
Brake Adjustment (1% and 2 ton rear).
1. Jack rear wheels clear of floor and remove adjusting hole
covers from flange plate (two at each wheel) .
2. Turn rear adjusting screw until a moderate dragging con-
tact is felt on the brake drum and then back off 3 notches .
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