Chevrolet 30 Series 1967 Service Manual page 464

STEERING 9-10
Disassembly—40-50-60 Series (Fig. 18)
1. Loosen lower bearing clamp, push steering shaft
slightly upward and remove snap ring retainer at
upper mast jacket bearing.
2. Slide steering shaft out of mast jacket from bottom,
along with lower bearing clamp, seal spring and
bearing seat.
3. Loosen turn signal switch retaining screws and re­
move turn signal housing and switch assembly.
Assembly (Fig. 18)
1. Install turn signal switch and housing assembly on
upper end of mast jacket.
2. Position clamp, seal,
lower bearing on steering shaft.
NOTE: Lubricate seal with a silicone grease.
3. Carefully insert steering shaft into mast jacket from
bottom.
4. Install upper mast jacket bearing retainer (snap ring)
in groove in steering shaft.
5. Adjust lower mast jacket bearing as outlined under
Maintenance and Adjustments.
spring, lower bearing and
I
MAST JACKET—TILT CAB MODELS (Fig. 19)
Removal
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.
. If necessary, remove steering wheel.
6
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. 20-21-22)
TIE ROD
Removal
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 sim ilar tool as a backing (fig. 23). If neces­
sary pull downward on tie rod to remove from
steering arm.
On C-P10 and C20-30 series, remove inner ball
stud from relay rod using same procedure as des­
cribed 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
attempting to tighten nut.
3. Install ball studs in steering arms and relay rod.
CHEVROLET TRUCK SERVICE M ANUAL