Chevrolet 70 1969 Series, Shop Manual

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TRANSMISSION AND CLUTCH 7-24
F ig u re 1 8 N — M a in D riv e G e a r A s s e m b ly
bearing bores, etc., are free from nicks or burrs. Check all
parts carefully for evidence of cracks or condition which
would cause subsequent oil leaks or failures.
Main Drive G ear Disassembly and Assembly
1. Remove main drive gear bearing retainer ring.
2. Press bearing and oil slinger from main drive gear.
3. Position bearing and slinger on gear (fig. 18N) and
press bearing and slinger onto gear.
4. Install retainer ring.
Shift Bar Housing Assembly
1. Install 4th and 5th shift rod through support and into
F ig u re 1 9 N — In s t a llin g 4 t h a n d 5 th S h ift Fork R o d Roll Pin
F ig u re 2 0 N — In s ta llin g In terlock Balls
4th and 5th shift fork.
2. Install 4th and 5th shift fork to shift rod roll pin,
move rod to neutral (fig. 19N).
3. Install two interlock balls between 4th and 5th, and
2nd and 3rd shift rods (fig. 20N).
4. Install 2nd and 3rd shift rod through shift support.
Install over shift spacer shift fork and interlock cross
pin.
5. Install 2nd and 3rd shift fork to shift rod roll pin.
Move rod to neutral.
F ig u re 2 1 N — In s ta llin g C o u n t e r s h a f t Front B e a r in g
CHEVROLET SERIES 70-80 HEAVY DUTY TRUCK SH O P M A N U A L