Chevrolet 10 Series 1968, Service Manual, Page: 542 / 713

STEERING 9-9
MAST JA CK ET-TILT CAB MODELS (Fig. 18)
Rem oval
1. Bend tabs of dust cap away from yoke tube, on inter­
mediate steering shaft yoke tube.
2. Slide dust cap, plastic washer and felt washer down
on yoke shaft.
3. Disconnect wiring harness from mast jacket.
4. Remove mast jacket support clamps
5. Remove mast jacket assembly from vehicle.
6 . If necessary, remove steering wheel.
NOTE: Disassembly and assembly procedures
for the tilt cab mast jacket are the same as
those outlined previously for 40-50 and 60
series.
Installation
1. With mast jacket completely assembled and inter­
mediate steering shaft yoke tube assembled to upper
steering shaft, place assembly in vehicle and assem­
ble intermediate shaft yoke tube to yoke shaft align­
ing the arrows.
2. Hold mast jacket in position at dash panel and
assemble support clamps.
3. Push felt washer, plastic washer and dust cap into
position and secure by bending tabs of dust cap
against yoke tube.
4. Connect wiring harness to mast jacket.
STEERING LINKAGE (Figs. 19-20-21)
TIE ROD
Rem oval
1. Remove cotter pins from ball studs and remove cas­
tellated nuts.
2. To remove outer ball stud, tap on steering arm at
tie rod end with a hammer while using a heavy ham­
mer or similar tool as a backing (fig. 23). If neces­
sary pull downward on tie rod to remove from
steering arm.
ON C-P10-20-30 series, remove inner ball stud
from relay rod using same procedure as described
in Step 2.
To remove tie rod ends from tie rod loosen clamp
bolts and unscrew end assemblies.
Installation
1. If the tie rod ends were removed, lubricate the tie
rod threads with EP Chassis lube and install ends on
tie rod making sure both ends are threaded an equal
distance from the tie rod.
2. Make sure that threads on ball studs and in ball stud
nuts are perfectly clean and smooth. Install neoprene
seals on ball studs.
NOTE:
If threads are not clean and smooth,
ball studs may turn in tie rod ends when at­
tempting to tighten nut.
3. Install ball studs in steering arms and relay rod.
4. Install, ball stud nut, tighten and install cotter pins.
Lubricate tie rod ends.
5. Adjust toe-in as described in Section 3.
NOTE: Before locking clamp bolts on the rods,
make sure that the tie rod ends are in align­
ment with their ball studs (each ball joint is in
the center of its travel). If the tie rod is not in
alignment with the studs, binding will result.
Also, the slit in the tie rod must be in alignment
with the slot in the clamp and, on C-P10 and
C20-30 series, facing forward.
RELAY R O D -C -P 1 0-20-30
Removal
1. Remove inner ends of tie rods from relay rod as
described under Tie Rod - Removal.
2. Remove cotter pin and nut from relay rod ball stud
attachment at pitman arm.
3. Detach relay rod from pitman arm. Shift steering
linkage as required to free pitman arm from relay
rod.
4. Remove cotter pin and nut from idler arm and re­
move relay rod from idler arm.
Fig. 17—Medium and Heavy Dufy Mast Ja c k e t Components
CHEVROLET TRUCK SERVICE MANUAL