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Buick 40 Series 1948 Shop Manual page 131

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4-2
SPECIFICATIONS
CLUTCH, TRANSMISSION, UNIVERSAL JOINT
(130)
.005" -
.008 "
2%"
.005"
1
1U6"
1
1 !{ 6"
-+---Clutch Pedal and Linkage--+-
35 lbs.
28 lbs.
58
.6
to 1
71 to 1
~"to1"
~"to1"
Hi"
4-2 CLUTCH SPECIFICATIONS
Items
Type
.
Number of Driving Plates
.
Number of Driven Plates
.
Diameter of Driven Plate
.
Vibration Neutralizer-Type
.
Facing on Driven Plates-Type
.
How Attached to Plate
.
Facing Thickness
.
Total FrictionalArea of Facings
.
Maximum
Run-Out
of Driven Plate at Rear Facing
.
Number of Clutch Springs
.
Total Pressure of Clutch Springs
.
Spring Pressure X Length
.
Spring Free Height, New
.
Minifnum
.
Clutch Control
.
Clutch Pedal Pressure
.
Clutch Pedal Ratio-Average
.
Clutch Pedal Adjustment (Lash)
.
Height of Spring Retainer Ears from Flange Face of Clutch Cover
.
Clearance Between Cover and Pressure Plate Driving Lugs
.
Height of Inner Ends of Release Levers from Face of Flywheel
.
Maximum Variation in Height of Release Levers, Inner Ends
.
Series 40-50
1948 Series 70
0(
Single Plate-Dry Disc
~
+-Flywheel and One Pressure Plate-r-s-
One
One
10"
10Y2"
-+--Coil Springs and Friction W ashers-e-
2 Woven
2 Woven
Riveted
Riveted
.125"±.003"
.125 "± .003"
100
.6
sq. in.
106.8 sq. in.
.025"
.025"
One
12
1350 lbs.
1680
lbs.
135-143Ibs.at
1~"
4-3 SYNCRO-MESH TRANSMISSION AND UNIVERSAL JOINT SPECIFICATIONS
NOTE: Where dimensions and limits for fit of parts are given in these specifications they apply
to new parts only. Where limits are given, "T" means tight and "L" means
loose.
a. Transmission
Items
Type
;
.
Type of Gearing
. . .
.
.
.
Location
.
Oil
Capacity,
Pints
"
.
Number of Forward Speeds
.
Transmission Ratio-
In Third
.
In Second
.
In First
"
.
In Reverse
.
Main Drive Gear In Pilot Bearing
.
Main Drive Gear to Clutch Hub Backlash
.
Bearing on Main Drive Gear
.
Main Drive Gear Bearing in Case
.
Reverse Idler Gear on Shaft
.
2nd and 3rd Sliding Sleeve
(40-50)
or Synchronizing Clutch (70) on Main
Shaft, Diameter
.
Backlash
,
.
2nd Speed Gear on Main Shaft
.
1st and
Rev.
Sliding Gear on Sliding Sleeve or Main Shaft, Backlash
.
Shifter Yoke Shafts in Case
.
Trans. R
.
Bearing in Case
.
Trans. R
.
Bearing on Main Shaft
.
Counter Gear on Shaft
.
Counter Gear End Clearance
.
b. Universal Joint and Torque Ball
Lubrication
~
.
Transmission R. Bearing Retainer Pilot
.
V-Joint Bearings Number and Type
.
Diameter of Spider Pins
.
Spider Pins in Bushings
.
Rear Yoke on Propeller Shaft, Backlash
.
Rear Yoke in Torque Ball Bushing
.
Torque Ball Material
.
Torque Ball Diameter
.
Torque Ball Adjustment Drag with 5%"
Leverage,
Without Packing
.
With Packing
.
Outer Retainer Packing, Lengths Furnished for Service
.
c. Speedometer Gears
Speedometer Worm on Main Shaft
.
Teeth on Worm (Driving Gear)
.
Teeth on Driven Gear, with
3.9
to 1 Axle Ratio
.
3.6
to 1 Axle Ratio
.
4.1
to 1 Axle Ratio
.
4.45 to 1 Axle Ratio
.
Direct
Direct
1.66 to 1
1.53 to 1
2.67 to 1
2.39 to 1
3.02 to 1
2.53
to 1
0(
.0001" L to .0011 "
L,---~
0(
.0005
"-.0035"----~
0(
.0003" T-.0007" L - - - + -
0(
.0002" T-.001"
L---~
0(
.0002" L-.0042"
L,---~
0(
.00 1" L-.003" L
~
-+---Selective .001" L-
.003"
L--+-
.001 " L-
.0026"
L
Selective .002" L
0(
Selective, .003" L
~
0(
.003" L-.006" L
~
.0011 " T-
.0005"
L
.0002" T-
.OOl"
L
0(
.0007" T-.0002" L
~
.0005" L-
.0024"
L
.0002" L-.0021" L
.0176" L-.0296" L
.010" L-
.024"
L
0(
From Transmission
~
.000 "- .003" L
.0004" L-.003" L
-+---4 Hardened Steel
Bushings~
.684"- .685"
.872"- .873"
0(
.002" L
-
-
.004 "
L
~
0(
.0005" - .0045"
~
0(
.004" L-.006" L
~
0(
Malleable Iron
~
4
~ "
5"
0(
5 to 10 lbs.
~
0(
15 to 20 lbs.
~
0(
~6",
1%2",
Y2"
~
0(
7
20
22

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