Chevrolet 70 1969 Series, Руководство по ремонту

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STEERING 9-32
SPECIFICATIONS (CONT.)
Steering Gear to Frame
Type 5 5 3 - D V ........................... Bolt 45-55
Pitman Arm to Shaft
Type 553-DV-54
and 553-DV-55..................... Nut 185-215
Type 553-DV-67
and 553- DV- 70..................... Nut 60-70
R.H. Idler Arm
(Type 553-DV-70)
to Support B r a c k e t............... Nut 30-40
Support Bracket to Frame . . Nut 45-55
Drag Link to Pitman Arm *. . . .Nut 125-150
Power Steering Cylinder
to Pitman Arm*
Conventional Cab
Models Only ..................... Nut 125-150
Cylinder Anchor Bracket
to Frame
Conventional Cab
Models O n ly ........................ Nut 45-55
Cylinder Anchor Bracket
to Axle
Except F-150 Front Axle . . . Nut 40-50
With F-150 Front Axle . . . . Nut 70-80
Cylinder Anchor Bracket Tilt
Cab Models To Axle U-Bolt . . Nut 25-30
To Tie Rod U- Bolt............... Nut 25-30
Cylinder Ball Stud Socket
Clamp B o lt .............................. Nut 40-50
Reservoir to Mounting
B r a c k e t .............................. Bolt 20-25
*Torque to 125-150 ft.-lbs.; advance to nearest slot
and install cotter pin.
P O W E R STEERING HYDRAULIC P U M P
SPECIFICATIONS M O D E L APPLICATIO N
Pump
Truck Series Model
H M /J M /T M -80 ................................. .... 235-P-48
TV-70 ........................................................... 235-P-19
TM-70 ........................................................... 235-P-49
HV/JV-70 ..................................................... 235-P-36
JM-80; with F-160 Front A x l e ............... .... 235-P-47
Minimum. . . . 2.35 gpm of Type “ A ” automatic
transmission fluid at 170° F.
temperature
when operating
pump at idle speed against
665/735 psi pressure.
Pump Model 235-P-47
Maximum . . . 4.8-5.2 gpm of Type “ A ” auto­
matic transmission fluid at
H Y D R A U LIC P U M P SPECIFICATIONS (Cont'd.)
temperature when operating
pump at 1500 rpm against 50
psi pressure.
Minimum. . . . 2.35 gpm of Type “ A ” automatic
transmission fluid at 170° F.
temperature
when operating
pump at idle speed against
665/735 psi pressure.
Pressure Relief Valve
Pump Model Minimum PSI Maximum PSI
235-P-19 . . . . 900 1000
235-P-36 . . . . 900 1000
235-P-47 . . . . 1100 1200
235-P-48 . . . . 900 1000
Pressure Plate
Width (m in im u m )........................................ 0.518"
D i a m e t e r .................................................... 2.875"
Pump Ring
W i d t h ........................................... 0.8479"-0.8482"
D i a m e t e r .......................................................2.53"
Thrust Plate
W i d t h .............................................. 0.320"-0.330"
Pump Rotor
W i d t h ........................................... 0.8471"-0.8474"
D i a m e t e r ........................................ 1.593"-1.598"
Width of Vane Slots .................. 0.0780"-0.0785"
Number of Vane Slots ........................................10
Rotor Vanes
Quantity................................. ..............................10
Thickness.................................... 0.0770"-0.0775"
W i d t h .............................................. 0.340"-0.350"
Length........................................... 0.8468” -0.8471"
End Plate
D ia m e t e r ........................................ 2.929"-2.933"
Pump Shaft Outer Bearing
W id t h .............................................. 0.4674"-0.4724"
Outside Diameter ........................ 1.5743"-1.5748"
Inside D ia m e t e r ............ ... 0.6690"-0.6693"
Number of B a l l s .................................................... 8
Diameter of B a l l s ....................................... 9/32"
Pump Shaft Needle Bearing
W id t h ................................................. 0.740"-0.750"
SLIPPER T Y P E P U M P
Capacity
M a x i m u m ...........................................3.4-4.1 gpm
Minimum 1.45 gpm when operating pump at idle
speed against 665/735 psi pressure.
Pressure Relief Valve
Minimum P S I ........................................... 1000 psi
Maximum P S I ...........................................1100 psi
Flow Control Valve Spring
CHEVROLET SERIES 70-80 H EAVY DUTY TRUCK S H O P M A N U A L