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the brake pedal a full stroke and allow it to return slowly
making sure the end of the bleeder tube is under the surface
of the liquid in the container. Continue operating the pedal,
refilling the jar at the master cylinder when necessary, until
liquid containing no air bubbles emerges from the bleeder
tube. Close bleeder
.
valve.
5. On all models except 1
%,
2 and 2% ton follow bleeding
operations as outlined in Steps 4 through 7 under Pressure
Bleeding (Except 1%, 2 and 2% Ton). On 1%, 2 and 2% ton
models follow bleeding operations as outlined in Steps 5
through 12 under Pressure Bleeding (11/2,2 and 2% Ton),
using the automatic filler in lieu of the pressure tank.
Maintenance-
Brake Adjustment (112,
%
and 1 ton, front and rear)
(1% and 2 ton, front).
1. Raise truck until wheels rotate freely.
2. On
1/ 2 ,
%,
and 1 ton models only, disconnect parking
brake cables from parking brake cross shaft outer lever (see
Step 2 of "Parking Brake Adjustment," page 56). This pre-
caution should be taken to eliminate possibility of brake shoes
dragging in drum due to misadjustment of parking brake
cables.
.
3. Remove adjusting hole
covers from flange plate on
all four wheels. Expand
brake shoes by turning ad-
justing screw until a light
drag is felt on the brake drum
(fig. 53).
NOTE: Moving QUter end
of tool toward center of
wheel expands shoes.
4. On % ton models turn
the adjusting screw 7
notches in opposite direction
on all four wheels. On all
remaining models turn ad-
justing screw in opposite
direction
just
enough
to
eliminate drag.
Fig.
53-Adjusting Front Bralces
5. Replace adjusting hole covers.
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