Chevrolet 30 Series 1967 Service Manual page 406

CLUTCHES AND TRANSMISSIONS 7-20
FOUR-SPEED (CHEVROLET MUNCIE) TRANSMISSION
General Description.........................................................
Maintenance & Adjustments.............................................
Transmission Gearshift Lever
Transmission C o v e r ...................................................
Rear Bearing Retainer Oil Seal and/or
Speedometer G e a r s ...................................................
The four speed transmission is a heavy duty type, de­
signed to give efficient service in every type of truck
operation. The transmission incorporates synchromesh
action in second, third and fourth gears. All gears are
helical except first and reverse.
The clutch gear is supported by a heavy-duty ball bear­
ing. The forward end of the mainshaft is supported by a
VIEW A
TE-TS 400, TG 500-600 MODELS
INDEX
Page
7-20
7-21
................................. 7-21
7-21
7-22
GENERAL DESCRIPTION
VIEW B
TG 500-600
F ig . 1J - Remote Control Rods
Reverse Idler Gear A d ju s t m e n t.................................
Service Operations............................................................
Removal from V e h i c l e ................................................
Installation in V e h i c l e ................................................
loose roller type bearing inside the clutch gear, while the
rear end receives its support from a ball bearing in the
transmission case.
The countershaft is supported at the rear by a single
row ball bearing which takes the thrust load, and by a
roller bearing at the front.
TT 400, TD 500-600 MODELS
Page
7-22
7-23
7-23
7-23
CHEVROLET TRUCK SERVICE M ANUAL