Chevrolet 70 1969 Series, Руководство по ремонту

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TRANSMISSION AND CLUTCH 7-77
SPECIFICATIONS (CONT.)
Inside Diameter at Mainshaft Pilot
Bearing Surface................................ 2.6746”-2.6751"
Diameter at Mainshaft
Clutch T e e t h ....................................... 2.723"-2.733"
Number Clutch Teeth .............................................. 17
Backlash with M ate ................................ 0.006"-0.010"
Diameter at Gear E n d ........................... 4.456"-4.466"
Number of Teeth at Countershaft
Drive Gear Contact.................................................25
Backlash with M a te ................................ 0.005"-0.010"
Diameter at Front Bearing Surface . . 2.5590"-2.5595"
Diameter at Pilot E n d ........................ 0.9832"-0.9837"
C O U N T E R SH A F T
Diameter at Front
Bearing Surface................................ 1
Diameter at 3rd, 4th, and
Drive Gear Surfaces.........................2
Diameter at Rear
Bearing Surface................................1
Number 1st Speed Gear Teeth . . . .
Backlash with M ate................................
Number 2nd Speed Gear Teeth ............
Backlash with M a te ................................
Number Reverse Gear Teeth.................
Backlash with M a te ................................
L e n g th ...................................................
9664"-1.9669"
5010"-2.5015"
7716"-1.7721"
15
0.006"-0.012"
25
0.005"-0.010"
. . . . 17
0.006"-0.012"
. . . 19-1/32"
CO U N TE R SH A FT GEARS
Drive Gear
Diameter of B o r e ................................ 2.4995"-2.5000"
Outside Diam eter.................................. 8.990"-9.000”
Number of Teeth ..................................................... 53
Backlash with M ate ................................ 0.005"-0.010”
W idth............................................................... 2-7/32"
3rd Speed Gear
Diameter of B o r e ................................ 2.5095"-2.5100”
Outside Diam eter.................................. 5.990"-6.000"
Number of Teeth ......................................................34
Backlash with M a t e ................................ 0.005”-0.010”
W id t h ...................................................... 1.809” -1.815”
4th Speed Gear
Diameter of B o r e ................................ 2.4995”-2.5000”
Outside Diameter.................................. 7.531”-7.541"
Number of Teeth ......................................................44
Backlash with M ate ................................ 0.005"-0.010”
W id t h ..................................................... 1.705"-1.711"
C O U N T E R SH A F T FRON T BEARING SPACER
Inside Diam eter........................................................ 2"
Outside Diam eter..................................................... 3"
W id th .................................................................. 0.095"
C O U N T E R S H A F T DRIVE G EAR SPACER
Inside Diam eter.................................... 2.750"-2.760”
Outside Diam eter.................................. 2.640"-2.652"
W id t h ..................................................... 1.883”-1.887"
REVERSE ID LER GEAR
Diameter of B o r e .................................. ..1.875"-1.876"
Outside Diameter—Rear G e a r .................4.190”-4.200"
Outside Diameter—Front G e a r ............ ..4.476”-4.486"
Number Gear Teeth
F ro n t.......................................................................21
Rear ....................................................................... 19
Backlash with M a t e s ............................. 0.006”-0.012”
REVERSE ID LER G E AR BEARING SPACER
Inside Diam eter..................................... 1.500"-1.510"
Outside Diam eter.............................................. 1.750"
W id t h ...............................................................
0.7656"
REVERSE IDLER SHAFT
L e n g th .......................................................................10"
Outside Diam eter.................................. 1.252"-1.253”
SPRINGS
1st and Reverse Latch Plunger Spring
Free Length ................................................... 1-9/16”
Compressed Length ....................1" Under 30-35 Lbs.
Solid Length ......................................................19/32”
Number of Coils...........................................................9
Poppet Ball Spring
Free Length ......................................................1-1/2”
Compressed Length...............15/16” Under 35-40 Lbs.
Number of Coils................................................. 10-3/4
SHIFT RODS
1st and Reverse Shift Rod
L e n g th ............................................................. 12-1/2"
Outside Diam eter................................ 0.7395"-0.7400"
2nd and 3rd Shift Rod
L e n g th ............................................................. 9-15/16"
Outside Diam eter................................ 0.7395"-0.7400"
4th and 5th Shift Rod
L e n g th .......................................................... 9-15/16”
Outside Diam eter................................ 0.7395”-0.7400”
WASHERS
Mainshaft 1st Speed Gear Thrust Washer
Inside Diam eter..................................... 2.167"-2.177”
Outside Diam eter.............................................. 3-3/8”
Thickness.............................................. 0.154”-0.156”
Mainshaft 2nd Speed Gear Retainer Washer
(Select One at Assembly)
Thin
Inside Diam eter..................................... 2.736"-2.746”
Outside Diam eter............................................3-13/16”
Thickness.............................................. 0.158”-0.160”
Splines (Inner)
Number .................................................................. 10
Medium
Inside Diam eter..................................... 3.034"-3.044”
Outside Diam eter.........................................
3-13/16”
Thickness.............................................. 0.162”-0.164"
Splines (Inner)
Number .................................................................. 10
Notch (Outer)
Number .................................................................... 1
Thick
Inside Diam eter..................................... 3.034”-3.044"
Outside Diam eter............................................3-13/16”
CHEVROLET SERIES 70-80 H EAVY DUTY TRUCK SH O P M A N U A L