Chevrolet 30 Series 1967 Service Manual page 423

2. Place U-bolt under nose of the transmission housing
and secure front of transmission with two bolts and
lockwashers to crossmember.
3. Place a spacer between the rear left transmission
mounting flange and crossmember support. Secure
transmission to crossmember support by installing
bolt, nut, and lockwasher. Similarly secure right
side.
4. Connect speedometer cable to adapter at rear of
auxiliary transmission.
5. Install any connections to the left or right power
take-offs.
. Connect control rods to transmission shift rods
6
(refer to Shift Rod Adjustment).
7. Connect input and output prop shafts.
3Q -
Fig. Transmission Mounting
Shift Cover and Forks
Refer to Figure 4Q
Disassembly
1. Mount cover in vise and remove lock wires (3) and
shift fork clamp screws (4).
2. Remove poppet screw from each side of cover and
ja r springs, balls, and retainer out through poppet
holes.
CLUTCHES AND TRANSMISSIONS 7-37
Fig. 4 Q - C over and Shifting Mechanism
1. Direct and O ve rd rive Shift Rod
2. Shifter Housing (Cover)
3.
Lock W ire
4. Shift Fork Screw
3. Remove shift rods (1 and
forks (5 and 7) as shift rods are removed.
on one side and ja r interlock out of shift rod boss.
Remove shift rod oil seals, if new seals are
4.
required.
5. Remove transmission breather assembly from cover.
Assembly
1. Mount cover (2) in vise.
sealing cement, and press new shift rod oil seals into
recess.
2. Insert 1st and 2nd shift rod (
tom hole of cover ( ) being careful not to damage oil
2
seal.
3. Move shift rod through support and install 1st and
2nd shift fork (5) on rod with offset toward front as
rod is moved into position.
Install clamp screw
4. (4 ),
and tighten clamp screw. Install lockwire (3) re­
taining clamp screw.
5. Insert interlock in rod support, then insert direct and
overdrive shift rod (
1
. Install direct and overdrive shift fork (7) on rod with
6
offset toward front and move rod through rod support
boss.
7. Install poppet balls, springs, retainer, and poppet
screws.
. Move rod (1) to neutral position, tighten fork clamp
8
screw firmly and retain with lockwire (3).
(4 )
5. 1st and 2nd Shift Fork
6. 1st and 2nd Shift Rod
7. Direct and O ve rd rive
Shift Fork
) from cover, stripping off
6
Tip cover
Coat oil seal recesses with
) (longest rod) in bot­
6
move rod to neutral position,
) (short rod) in top of cover.
CHEVROLET TRUCK SERVICE M ANUAL