Chevrolet 30 Series 1967 Service Manual page 226

BRAKES 5-10
GIO and G20 Series (Fig. 21)
1. Pull parking brake lever two notches from fully
released position.
2. Loosen the equalizer clevis forward check nut, and
tighten the rear nut until a light to moderate drag is
felt when rear wheels are rotated.
3. Tighten check nuts securely.
4. Fully release parking brake and rotate rear wheels;
no drag should be present.
PI 0-20-30 Models
1. Raise rear of vehicle and place on jack stands.
2. Set parking brake lever in fully released position.
3. Loosen front cable clevis check nut and adjust
clevis-to-equalizer
clearance of 1/4 inch between idler lever and rear
end of slot in guide (fig. 22). Tighten lock nuts.
4. Pull parking brake lever to the applied position.
5. Check drag on each rear wheel. An equal amount of
drag should be present at each wheel. If drag is not
equal, loosen applicable rear cable connection and
adjust as required.
. Release parking brake lever. Check rear wheels to
6
insure no drag is present. If necessary adjust front
cable clevis-to-equalizer connection to eliminate
drag.
7. Tighten all lock nuts and lower vehicle.
Fig. 20—Parking Brake Systems—K Models
lever connection to obtain a
Propeller Shaft Parking Brake—(Band Type)
(Fig. 24)
1. Set hand brake lever in the " fully released" position.
2. Loosen lock nut on brake pull rod and disconnect pull
rod from brake operating cams by removing cotter
pin and clevis pin. Set brake cam rest flat on the
upper brake band bracket.
Fig. 21—Ch evy V an Parking Brake Idler Linkage—Exploded V ie w
CHEVROLET TRUCK SERVICE M ANUAL