Chevrolet 30 Series 1967 Service Manual page 463

1. Slide rubber grommet back from shift lever support
housing, drive out selector lever pivot pin and re­
move shift lever.
2. Remove steering wheel retaining nut and washer
from shaft.
3. Slide steering shaft from mast jacket and remove
back-up lamp switch.
4. Remove three locking screws from the directional
signal housing, rotate the housing and remove hous­
ing assembly.
5. Remove spacer and thrust washer from shifter lever
housing and remove housing.
. Remove bushing and bushing seat from upper end of
6
mast jacket.
7. Remove bolt and screws from adjusting ring clamp at
lower end of mast jacket and remove clamp lower
bearing and adjusting ring.
. On 3-speed models, also remove first and reverse
8
shift lever and spacer.
9. On automatic transmission models, remove 3 screws
from selector plate clamping ring.
10. Place mast jacket upright on floor while supporting
with two pieces of wood. Push down on shift lever
with foot and place block of wood on upper end of
tube. Tap on block to remove tube and withdraw from
mast jacket assembly.
NOTE:
In some tolerance stack-up cases it
may be necessary to use a press. Be careful not
to damage shifter tube or mast jacket.
11. Remove felt seal from shifter tube.
12. Remove firewall clamp and seal and dash panel seal
from mast jacket.
Assembly (Fig. 17)
NOTE:
For units without shifter tube omit
Steps 3, 4, 5, , and 12.
6
1. Install dash panel seal, firewall seal and clamp onto
mast jacket.
2. Lubricate all bearing surfaces on shift tube.
F ig . 18—Medium and Heavy Duty Mast Ja ck e t Components
3. Place felt seal on shifter tube. Push in place up to
spring.
4. Insert shifter tube into mast jacket.
5. On 3-speed models;
Temporarily install spacer, low and reverse shifter
lever and lower adjusting ring. Place a block of
wood on top of adjusting ring and tap until shifter
tube bottoms. Remove spacer, low and reverse shift
lever and adjusting ring.
NOTE: Bearing must be seated against the
three locating tabs.
On automatic transmission models;
Align three holes in selector (detent) plate with
three holes in bottom of mast jacket.
clamping ring, align holes and install the three bolts.
. On 3-speed models;
6
Lubricate and install spacer, low and reverse shifter
lever (tang on lever must be towards top of mast
jacket).
7. Install lower adjusting ring with clamp and attaching
screws.
. Position bushing seat and bushing on upper end of
8
mast jacket.
9. Lubriplate inner diameter of shifter lever support
housing and install on upper end of mast jacket
assembly, fitting keyway in housing over key on
shifter tube.
10. Position spacer and thrust washer onto upper end of
shifter housing.
11. Install directional signal switch and housing assem­
bly, feeding wires through gear shift lever support
housing. Secure with three attaching screws.
12. Adjust shifter tube as outlined under Shifter Tube
Adjustment.
13. Position clamp, washer, spring and lower mast
jacket bearing on steering shaft, and insert shaft
into mast jacket from bottom.
14. Install nut and washer on steering wheel end of
steering shaft to hold the shaft in position.
STEERING 9-9
Position
CHEVROLET TRUCK SERVICE M ANUAL