Chevrolet 30 Series 1967 Service Manual page 400

CLUTCHES AND TRANSMISSIONS 7-14
joint trunnion bearings to the drive flange. Lower
the rear of the propeller shaft and slide front flange
off the mainshaft.
2. Using a punch against seal, drive oil seal out of ex­
tension or use Tool J-5859 as shown in Figure 5.
3. Coat new seal with Permatex or equivalent and start
seal straight in bore in extension.
J-5154, tap seal into counterbore.
TRANSMISSION SIDE COVER ASSEMBLY
On any replacement of parts in the side cover assembly
Fig. 3 G - Transmission Controls (PS20 Models)
Fig. 4 G - Transmission Controls
it is necessary to remove cover from transmission case.
1. Drain transmission and disconnect control rods from
levers.
2. Remove cover assembly.
Using Tool
3. Remove outer shifter lever retaining bolts and pull
levers from shafts.
Remove nuts and locks and remove shifter interlock
4.
retainer. This will allow removal of shifter shaft and
fork assembly, poppets and springs or interlock from
cover.
5. Replace necessary parts. Coat shifter shaft and "O"
ring seal with transmission lubricant before install­
ing in cover and bend tab on locks after installing
interlock retainer nuts.
. Install outer shifter levers on shafts and install re­
6
tainer bolts.
7. With transmission gears in neutral and shifter forks
in neutral, install cover to transmission using a new
gasket.
equivalent and tighten to 15-18 ft. lbs. torque.
NOTE:
(fig.
. Attach control rods to shifter levers.
8
9. Fill transmission with lubricant.
(PA20
Coat cover screws with Permatex No. 2 or
Hump on first and reverse shifter fork
) must be toward rear of transmission.
6
F ig . 5 G - Removing Mainshaft O il Seal
CHEVROLET TRUCK SERVICE M ANUAL
M odels)