III. AXLE ADJUSTMENT
F.
Adjustment Caster
is
set
by
the
vehicle
manufacturer and can be adjusted only by shims
between the axle spring seat and the spring.
Changing the caster will change the pinion angle
and may affect the operation of the front
drive
shaft.
G.
Toe-In Adjustment
1.
Jack up the front of the vehicle.
2.
Rotate tire and scribe a line completely around
tire with a crayon held to center of tire.
3.
jack.
4.
tie rod clamp bolts.
5.
distance between scribed lines on front and back
of tires.
6.
Turn tie rod tube with a pipe wrench to adjust
toe-in.
Set
tie
rod
length
until
front
measurement. is 0 to 1/8" less than rear
measurement.If the.) vehicle has a full-time front
drive
system
(proportioning
differential),
alignment should be 0-1/8 more in front than in
rear, for toe-out. Consult tire specialist for a
specific recommendation if specialized tires are
used.
7.
Tighten tie rod clamp bolts to correct torque.
Roll vehicle forward at least a distance equal to
four turns of wheels and re-check toe-in. Repeat
procedure if necessary to achieve final toe-in
dimension.
H.Adjustment
Brake adjustment is made automatically. Make the
initial adjustment by driving the air braked vehicle 015"
and .030". (Refer to the brake service manual for
forward and applying the brakes. Continue additional
information
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