Chevrolet 70 1969 Series, Shop Manual

Page: 909 / 913

STEERING 9-33
SPECIFICATIONS (CONT.)
170°F. temperature when oper­
ating pump at 1500 rpm against
50 psi pressure.
Bearings must fit:
Shaft D ia m e t e r........................... 0.6245"-0.6250"
Bore D ia m e t e r ........................... 0.8120"-0.8130"
Pressure Relief Spring:
Free L e n g t h ................................................. 0.676"
Compressed Length . . . . 0.444" under 19.3 lbs.
Pressure Plate Spring
Free L e n g t h ................................................. 1.237"
Compressed L e n g t h ............... 0.82" under 25 lbs.
Flow Control Valve Spring
Free L e n g t h ....................................................2.55"
Compressed L e n g t h ............ 0.906" under 8.2 lbs.
Free Length........................... ........................3.58"
Compressed Length ............ 2.40" under 10 lbs.
HYDRAULIC P U M P T OR QUE SPECIFICATIONS
VAN E T Y P E P U M P
Mounting Bolt or Stud .................. 25-40 Ft. Lbs.
Port Fitting ................................. 25-40 Ft. Lbs.
SLIPPER T Y P E P U M P
Reservoir Cap S c r e w ..................... 15-20 Ft. Lbs.
Pressure Relief V a l v e ........................ 30 Ft. Lbs.
Front Insert N u t ........................... 95-105 Ft. Lbs.
Slipper Spring
Free Length................................................. 0.440"
Compressed Length 0.323" under 2.2 lbs.
P O W E R STEERING P O W E R C YLIN DER
M a k e ........................ Saginaw Steering Gear Division
T y p e ..........................................................
Hydraulic
Length and S t r o k e ..................... See Chart Following
P O W E R C YLIN DE R SPECIFICATIONS
Front Type
*
Axle Mounting
Retracted Extended
Stroke
C O N V EN T IO N A L CAB M O D E L S
SERIES 70-80........................................... F-070
Side
16.680" 25.740" 9-1/16"
F-090 Side 16.680" 25.740" 9-1/16"
F-120 Side 16.680" 25.740” 9-1/16"
F-160 Side 16.680" 25.740"
9-1/16"
T IL T CAB M O D E L S
SERIES 7 0 .............................................. F-070 Axle 16.680" 25.740" 9-1/16"
F-090 Axle
19.806"
30.866"
11-1/16"
F-110 Axle 19.806" 30.866" 11-1/16"
SERIES 8 0 .............................................. F-090 Axle 17.936"
26.966" 9-1/16"
F-110 Axle 19.806"
30.866" 11-1/16”
F-150
Axle 19.806” 30.866" 11-1/16"
(*)Distance of stroke is measured from center line of Ball Stud hole at one end of cylinder to center line of
Ball Stud hole at opposite end of cylinder.
C HEVROLET SERIES 70-80 HEAVY DUTY TRUCK SH O P M A N U A L