Chevrolet 1980 Light Duty Truck Repair Manual page 359

O - RING
LOCATION
Fig. 7 B -1 1 B— S h ift Fork Shafts
Front and R ear Bearings
1. W ash the front and rear ball bearings thoroughly in
a cleaning solvent.
2. Blow out bearings w ith com pressed air.
N O TIC E:
D o not allow the bearings to spin, turn them
slow ly by hand. Spinning bearings m ay damage the
race and balls.
3. M ake sure bearings are clean, then lubricate w ith
light engine oil and check them for roughness by slow ly
turning the race by hand.
ALIGN ROLL PIN
WITH COUNTERBORE
WHEN INSTALLING
REVERSE IDLER
GEAR SHAFT
Fig. 7B -12B-R em oving Reverse Idler Gear Shaft
be inspected closely and replaced if they show wear. Inspect
countershaft and reverse idler shaft at the sam e tim e, replace
if necessary. R eplace all worn washers.
Gears
and replace any that are worn or damaged.
COUNTERBORE
M A N U A L TR A N S M IS S IO N
SPRING'
UNDER LIP OF
K E Y S
Fig. 7B -13B -F irst-R everse S ynchronizer Hub
Bearing Rollers
A ll clutch gear and countergear bearing rollers should
1. Inspect all gears for excessive wear, chips, or cracks
ALIGNMENT
MARKS
Fig. 7B-14B--Second-Third Synchronizer Assembly
7B -13
FIRST-REVERSE
SLEEVE AND GEAR
HUB
RETAINING
SNAP RING
FIRST-REVERSE
SYNCHRONIZER
KEYS<3)
SPRING
(UNDER
LIP OF
K E Y S )
OVERHAUL MANUAL