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Inspection. - TM-10-3930-622-140093
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TM-10-3930-622-14 Truck Fork Lift; Gasoline Engine Driven; Pneumatic Tires; 6000-lb Capacity; 173-In. Lift Manual
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PROPELLER SHAFT.
(6) Install three new packings in recesses in the
should be removed from steering axle bellcrank, but
valve body. Mate surfaces of valve and cylinder. The
should be maintained in line with hole in bellcrank.
locating pin on the check valve retaining plug must
engage a recessed hole in the cylinder mating face, to
(3) With drag link in place, turn steering wheel full
insure proper port alignment between cylinder and valve.
right with right turn stop screw backed off. Remove tie
rod end from steering arm and pull drag link until the
(7) Locate control ball stud housing in desired
cylinder is at the end of stroke. Adjust tie rod end and
position relative to control ball stud.  Install four nuts,
temporarily assemble in steering arm. Turn stop screw
while holding valve and control assembly in place to
until it touches steering arm.  Disconnect tie rod end
prevent misalignment of packings. Tighten capscrews to
from steering arm and turn three turns counterclockwise
30 to 40 lbs. ft. torque.
to increase drag link length. Assemble to steering arm.
Back off steering arm with steering wheel, turn stop
(8) Install control ball stud spacer.  The spring
screw one additional turn and lock in position with
washer must be installed with its convex (raised inside
locknut.
diameter) face toward ball stud to provide spring tension
on ball stud. Next install ball stud seats and control ball
(4) Turn steering wheel full left with left turn stop
stud. Position the stud and sleeve so that the stud is
screw backed off until steering cylinder has extended 11-
centered in the sleeve opening.
1/2 inches from adjusted position for right turn, as in (3)
above. Bring stop screw in contact with pitman arm and
(9) Tighten control ball stud sleeve plug snugly
lock in place with locknut.
against seat. Back plug off until slot in plug lines with
one of retaining ring anchor holes in sleeve which are
(5) Adjust rod so that equal angles of steering
spaced at 60 degrees intervals in control ball stud
wheels are obtained when steering wheel is turned from
sleeve. Install hooked end in anchor hole and engage
full right to full left. Major adjustment of rod length must
retaining ring in groove in sleeve plug. This can most
be made using only rear tie rod end while rod is threaded
easily be done by engaging tang in hole in sleeve and
into cylinder to make dimension 12-3/4 inches. Final
then applying pressure with small screwdriver opposite
adjustment may be made by turning rod with rear tie rod
tang on outside edge of retaining ring.
end assembled in bellcrank. Do not turn rod more than
one turn in either direction or the thread engagement will
(10) Install head-end mounting ball and clamping bolt
be below minimum required.
and nut. Tighten clamp nut to 30 to 40 lbs. ft. torque.
(6) Before final clamping of rod, position cylinder as
(11) Grease control ball stud housing with GAA
shown.
under low pressure, through grease fitting.
NOTE
f. Cylinder reassembly.
After final adjustment, entire linkage and
wheels must be stopped only on stop
(1) Coat the rod seal assembly parts with petroleum
screws.
Cylinder
should
have
jelly. Install two back-up rings over the rod and in the
approximately 1/4 inch of stroke left at full
cylinder cap bore.  Be sure that the split ends are
right or full left turn.
staggered. Install the seal ring and two outer back-up
rings, again with split ends staggered. Install the washer,
i. Test.
retainer, wiper and scraper. Install the snap ring.
(1) Road test truck, under all combinations of
(2) Screw the rod end ball stud subassembly on to
steering conditions, inspecting operation for symptoms
the end of the rod. Align the split collar with the flat of
given in the troubleshooting chart.
the rod and install the locking bolt, nut and lockwasher.
If steel seat ball stud subassembly was disassembled,
(2) With engine running, and steering wheel
reassemble by reversing the order of disassembly in e.
alternately turned full right and full left, observe for
(3) above, before assembling to the rod.
external leaks of hydraulic fluid.
g. Installation. Reverse a. above.
6-26. DRAG LINK.
h. Adjustment of steering linkage.
a.  Removal.  Raise truck.  Working from below,
remove the cotter pins and nuts (Figure 6-12) at each
(1) Assemble front tie rod end (figure 6-12) on
end of the drag link and remove the drag link.
cylinder so that the thread engagement is approximately
1-1/2 inches.
b.  Repair.  Repairs to drag link are limited to
replacing defective parts. To replace tie rod end, loosen
(2) When performing adjustments in (3) and (4)
clamp screw, unscrew tie rod end, install new tie rod end
below, there should be no restraint on cylinder or pitman
and tighten clamp screw.
arm due to stops on trailing axle. To insure this, rear tie
rod end
70

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