Chevrolet 70 Series 1970, Service Manual

Page: 728 / 841

SPECIFICATIONS
STEERING SYSTEM 9-49
POWER STEERING GEAR APPLICATION CHART
T R U C K S E R IE S
G EAR M O DEL RATIO
H V / J V -7 0 , H M / JM -8 0
H I / H N / J I / J N / M H / M I - 9 0 ..................................................................................................................
T V -7 0 / T M -8 0 .....................................................................................................................................................
F C / F H / F I / F N / D C / D H / D I / D N - 9 0 ...........................................................................................
5 5 3 -D V -8 2
5 5 3 -D V -5 4
5 5 4 -D V -5
2 8 .14 to 1
2 8 .14 to 1
2 8 .14 to 1
C o n v e n tio n a l Cab M odels w ith F -16 0 Fro n t A x l e .............................................................
55 3-D V -86 2 8 .14 to 1
POWER STEERING HYDRAULIC PUMP MODEL APPLICATION CHART
T R U C K S E R IE S
PUM P M O DEL T Y P E PUM P
H V -JV 7 0 ..................................................................................................................................................
235-P-36
V a n e
H M / J M / T M - 8 0 ..................................................................................................................................
2 3 5 -P -12 5 V a n e
T V / 7 0 .......................................................................................................................................................... 2 3 5 -P -19
V a n e
H I / J I 9 0 .....................................................................................................................................................
23 5 -P-46 V a n e
H N / J N - 9 0 ...............................................................................................................................................
2 3 5 -P-4 4
Vane
M H - 9 0 / F H / D H - 9 0 .......................................................................................................................... V T M - 2 7 -5 0 - 3 0 - 1 0 - M J - L I- 1 2 V a n e
M I-9 0 . FI D I-8 0 ...........................................................................................................................
2 3 5 -P -13 2 V a n e
D N / F N / D C / F C - 9 0 ........................................................................................................................
23 5 -P-43
V a n e
JN -9 0 w ith F -16 0 Fro n t A x l e .............................................................................................
2 3 5 -P -4 7
V a n e
HYDRAULIC PUMP SPECIFICATIONS
VANE T Y P E PUM P (SAGIN AW G EAR)
Pu m p M odels 2 3 5 -P -4 3 , 2 3 5 -P -4 7 and 2 3 5 -P -12 4
M a k e ....................................
.................................................Saginaw Stee rin g Gear Division
M in im u m P . S . I ........................................................................................
M a xim u m P .S .I .......................................................................................
..........................................110 0
..........................................1200
M in im y m Capacity Pe r M in u te . .2 .3 5 G .P .M . o f A u to m a tic T ra n s m is -
sion Fluid at 1 7 0 ° F . W hen O p e ra tin g
VANE T Y P E PUM P (V IC K E R S )
P u m p at Idle Speed Ag a in st 665/735
P .S .I .
M a k e ........................................................................................................................ V icke rs Corporation
M a xim u m C apacity Per m in u te —
M a xim u m Capacity
Exc ep t 2 3 5 -P -1 2 4 ,2 3 5 -P -4 3 and
M odel V T M - 2 7 - 5 0 - 3 0 - 1 0 - M J - L I - 1 2 ................................. ..........................3.0 G .P .M .
2 3 5 -P - 4 7 ............... . 3.5 G .P .M . of A u to m a tic Transm ission Flu id at
Pressure Relief V a lv e .......................................................................... .......................1000 P .S .I .
1 7 0 ° F . W hen O p e ra tin g P u m p at 1500 R P M
A g a in s t 50 P .S .I . Pressure.
P u m p M odel 2 3 5 -P -4 3 , 2 3 5 -P -4 7 and
S L IP P E R T Y P E PUM P (TH O M PSO N )
2 3 5 -P -12 4
.......................4.8 to 5.2 G .P .M . o f A u to m a tic T ra n s m is ­
sion Fluid at 1 7 0 ° F . W hen O p e ra tin g
M a k e ........................................................................................................................
C apacity Per M inute
T h om pso n Products
P u m p at 1500 R .P .M . A g a in st 50 P .S .I .
M a x im u m .....................................................................................................
. . . 3 . 4 to 4 .1 G .P .M .
Pressure.
M in im u m ..........................1.4 5 G .P .M . w ith P u m p O p e ra tin g at Idle Speed
Pressure R elief Valve
A g a in s t 665/ 735 P .S .I .
Exc e p t 2 3 5 -P -4 3 ; 2 3 5 -P -4 7 and 2 3 5 -P -12 4
Pressure Relief V a lve
M in im u m P . S . I . . .............................................................................................................................. 900
M in im u m P .S .I ........................................................................................ ..........................................1000
M a xim u m P .S .I .
..............................................................................................................................1000 M a xim u m P .S .I ....................................................................................... ..........................................1100
CHEVROLET SERIES 70-90 HEAVY DUTY TRUCK SHOP MANUAL