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2. On 2¥Z ton heavy-duty models tighten spindle nut to 56
ft. lbs. torque while rotating hub. On all other models, tighten
nut to 33
ft.
lbs.
3.
On models with hubs mounted on ball bearings (all ex-
cept L
.C.F.,
2 and2
¥Z
ton heavy duty models)
,
back off spindle
nut until alignment with nearest hole in spindle is obtained,
then install cotter pin. On L.C.F. 2 and 2¥Z ton heavy duty
models using tapered roller
bearings,
back off spindle nut ¥S
turn minimum and install cotter pin if aligned with hole in
spindle.
If alignment with hole in spindle is not obtained, back
off
nut
slightly until the nearestcastellation in the nut lines
up with a hole in the spindle.
4.
Spin the drum to make sure that it rolls
freely.
Properly
lock the cotter pin by spreading the end and bending it around.
Install the hub plate or dust cap and hub cap. Replace wheel
and tire
,
assembly and remove jack.
STEERING GEAR
Description. The modern, heavy-duty recirculating ball type
~teering
gear used on Chevrolet trucks is designed for easy
steering and road stability. The steering gear reduction is as
follows:
2 Ton L.C.F. and Forward Control models ..... .
2¥Z Ton L.C.F. . ...
..
...
...
.
..
.
....
.
.
.
.
.....
.
Ph,
2 and 2¥Z Ton models (except L.C.F.) .
.
.
.
. .
All other models
..
.
.
.
.
.
..
..
.
.
.
.
...
.....
.
...
.
. .
27.76 to 1
28.14 to 1
23.6 to
1
21.3 to 1
Care. Check the steering gear to frame bolts regularly to make
sure they are
tight.
Keep the pitman arm to pitman shaft nut
tight. Keep the housing side and end covers tight to prevent
grease leak and steering looseness. Add lubricant when nec-
essary.
Steering Gear AWustment. Steering gear adjustment is a very
important operation and requires the use of a special checking
scale; therefore, it is suggested that this service be performed
by a Chevrolet
dealer.
BRAKE SYSTEM
Description. The self-energizing type braking system used on
all Chevrolet trucks combines hydraulically operated serv-
ice brakes with mechanically operated parking
brakes.
The hydraulic service brakes provide brake action at all
four wheels, while the mechanical parking brakes operate on
the rear wheels of ¥Z and
% ton truck models. The
1,
11/
2 , 2
• 50 •
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