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SPRINGS AND SHACKLES
Front Springs and Shackles
Description. All Chevrolet trucks use leaf type front springs.
All models except the Low-Cab-Forward and Forward Control
have a threaded bushing and pin type shackle at the front and
a plain bushing and bolt at the rear hanger. The L.C.F. and
Forward Control models have the shackle at the rear and the
fixed hanger at the front.
Care. The spring to "I" beam U-bolts should be checked oc-
casionally to make sure they are
tight.
The shackles and
hanger bolts should be checked for proper
tightness.
The
shackles and hanger bushings should be lubricated as in-
structed in the Lubrication Section.
Rear Springs and Shackles
Description. All models (except tandem axle models) have
leaf type rear springs with the shackle at the rear end of the
spring. The lh ton uses a threaded type shackle while all
other models use a clevis type shackle and heavy shackle
pins to attach the spring to shackle and hanger.
Some models use a two-stage type rear spring to provide
better riding qualities when lightly loaded and proper support
for heavy
loads.
Some models that are to be subjected to heavy
loads are equipped with auxiliary springs which mount above
the regular springs and contact brackets on the frame member
when handling heavy loads.
Tandem axle models use a walking beam type suspension
system with 2-stage spring
piles.
Care.
Keep the spring to axle
"u"
bolts and the shackle bolts
properly tightened. Lubricate the shackles and hangers ac-
cording to instructions in the Lubrication Section.
ELECTRICAL SYSTEM
General Description. The electrical system consists of the fol-
lowing units-generator, combined voltage and current regu-
lator, starting
motor,
storage battery, distributor, ignition lock,
ignition coil, ammeter, gasoline gauge, horn, lamps, switches,
wiring and miscellaneous parts.
The ignition switch, coil, distributor and other miscellane-
ous parts making up the "Ignition System" were previously
covered.
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