Chevrolet 10 Series 1967, Service Manual

Page: 418 / 605

CLUTCHES AND TRANSMISSIONS 7-32
joint flange, and universal joint flange retainer nut on
mainshaft. Tighten retainer nut to 125 ft. lbs. and
install cotter pin.
7. Replace speedometer driven gear.
8
. Install propeller shaft and install and adjust propel­
ler shaft brake.
9. If the transmission was drained, refill with S.A.E. 90
gear lubricant.
SERVICE OPERATIONS
TRANSMISSION
Removal From Vehicle
1. Drain lubricant from transmission.
2. Disconnect and remove parking brake lever.
3. Disconnect and drop propeller shaft at transmission.
4. Remove the transmission gearshift lever as outlined
under "Maintenance and Adjustments."
5. Remove screws which fasten steering jacket grom-
met to floor and slide grommet up jacket out of the
way.
6
. Remove accelerator pedal and floor mat.
7. Remove the sheet metal screws attaching transmis­
sion cover to body floor and remove cover.
8
. Disconnect the speedometer cable from the speedom­
eter driven gear fitting at the transmission rear
bearing retainer.
9. Remove the two top cap screws attaching the trans­
mission to clutch housing and insert two transm is­
sion Guide Pins Tool J-1126 in these holes.
10. Remove the flywheel underpan and remove the two
lower transmission to clutch housing capscrews.
11. Slide the transmission straight back on the guide pins
until the clutch gear is free of the splines in the
clutch disc. The guide pins in the top holes support
the transmission during this operation and prevent
damage to the clutch disc.
12. Remove the transmission from vehicle.
Installation in Vehicle
1. Install guide pins, J-1126, in clutch housing. Posi­
tion transmission under vehicle and raise into posi­
tion on guide pins.
2. Start clutch gear shaft in clutch disc and slide
forward.
3. Install the transmission mounting bolts. Torque bolts
to 70-75 ft. lbs.
4. Install the flywheel underpan.
5. Reconnect the propeller shaft.
6
. Install and adjust the parking brake.
7. If not installed with cover assembly, install trans­
mission gearshift lever as outlined under "Mainte­
nance and Adjustments."
8
. Connect speedometer cable to the driven gear fitting
in the transmission rear bearing retainer.
9. Tighten drain plug and fill transmission with S.A. E.
90 gear lubricant. Install filler plug and tighten.
10. Install the transmission floor cover to body floor.
11. Install the floor mat and connect the foot accelerator
pedal.
12. Slide the mast jacket grommet in position and install
the retainer screws.
13. Road test the vehicle for operation of transmission in
all speeds.
FIVE-SPEED TRANSMISSION (SPICER 3 0 0 0 SERIES)
INDEX
Page Page
General Description......................................................... 7-32 Service O perations............................................................ 7-35
Maintenance and Adjustments ....................................... 7-32 Removal from V e h i c l e ................................................ 7-35
Gearshift L e v e r .......................................................... 7-32 Installation in Vehicle ................................................ 7-35
Transmission C o v e r ................................................... 7-33
GENERAL DESCRIPTION
The 5 -speed transmission (Spicer) is a manually
shifted, synchromesh, helical gear type. Fifth forward
speed is direct drive. The clutch or main drive gear
bearing is a single row ball type. The mainshaft is sup­
ported by a straight roller pilot bearing at the front and a
single row ball bearing at the rear. The countershaft is
mounted on a straight roller bearing at the front and a
single row ball bearing at the rear. The reverse idler
cluster rotates on two straight roller bearings. A 9-1 /2 "
x 3" band type propeller shaft parking brake is mounted
at the rear of the transmission, except tandems with
auxiliary transmissions. Power take-off openings are
provided on both the right and left sides of the transmis­
sion case.
MAINTENANCE AND ADJUSTMENTS
GEARSHIFT LEVER
Removal
1. Press down on gearshift lever spring cup and drive
locking pin out of lever. Lift off cup, spring, cap and
seal (fig. IS).
2. Remove snap ring from groove in lever housing and
tap out slotted pin. Lift lever out of housing.
Installation
1. Insert lever in housing with slot in lever in line with
hole through side of cover, and curve in lever to
rear.
2. Install slotted pin through housing and lever and in­
CHEVROLET TRUCK SERVICE M ANUAL