Chevrolet 70 Series 1970, Service Manual

Page: 729 / 841

STEERING SYSTEM 9-50
SPECIFICATIONS (CONT.)
POWER STEERING POWER CYLINDER
TR U C K S E R IE S
T Y P E OF
MOUNTING
R E T R A C T ED
LEN G TH
EX TE N D E D
LEN G TH S T R O K E
C on ven tion al C ab M odels w ith F - 0 7 0 ; F -0 9 0 ;
F - 1 2 0 ; F-1 6 0 F ro n t A x l e ................................................ Side
16.680" 25 .74 0 "
9W e"
Series T -70 , 80
W ith F -0 7 0 F ro n t A x l e ............... A x le
16.680" 25 .74 0 " W it"
F -0 9 0 ; F -1 2 0 Fro n t A x l e . . . A xle
19.806" 30.866"
H V i e "
Series T -7 0 , 80
W ith F-090 F ro n t A x l e .............. A x le
17.9 3 6 " 26.996"
9!/l6"
F -1 2 0 , F-1 6 0 Fro n t A x l e . A x le 19.806" 30.866"
ll'/ ie "
POWER STEERING TORQUE SPECIFICATIONS
LOCATION
T Y P E OF
PART
TORQ UE
(F T .-L B S .) LOCATION
T Y P E OF
PART
TO RQ UE
(F T .-L B S .)
Stee ring Gear to Fra m e Bolt
Conventional Cab M o d e ls .....................................................
N u t
50-60
Po w er S tee rin g C ylin d e r to R .H . Idler A rm
S t u d * W ith F-1 6 0 Fro n t A x le
N u t
N u t
N u t
125-150
50-60
80-90
Steel T ilt Cab M o d e ls ..........................................................
N u t 9 0 -110
Su p p o rt Bra cke t to Fra m e Bolt
Pitm a n A r m to Sh a ft
Idler A r m to Id ler S h a ft C lam p B o lt......................
Conventional Cab M o de ls-Pin ch B o lt.....................
N u t
10 0 -110
D rag L in k to Pitm an A rm S t u d *
D rag L in k to Id ler L e v e r S t u d *
Series R M -7 5 0 0 .............................................................
Steel T ilt C a b M o d e ls ...................................................
N u t
250-300
Stee rin g G ear A d ju s tm e n ts
La s h A d ju s te r S c re w .................................................
N u t 125-150
N u t 25-35
T ilt C a b M o d e ls ................................................................................
N u t
125-150
S ide C ove r to H o u s in g .................................................... Bolt
25-35
Drag L in k to Stee ring A rm S t u d * .....................................
N u t
125-150
W orm B ea rin g A d ju s te r Plug
Exc ep t 5 6 8 -D V -6 4 .......................................
N u t
5 0 -110
R .H . D ra g L in k to Idler A rm S t u d *
W ith F -1 6 0 Fro n t A x l e .................................................
N u t
125-150
T y p e 5 6 8 -D V -6 4 ...............................................................
N u t 50-75
Po w er Stee ring Ju n c tio n Block to Fra m e Bolt
Control V a lve to S tee rin g Gear
E x c e p t 5 6 8 -D V -7 1 ..............................................................
W ith F -1 6 0 Fro n t A x l e .................................................
N u t 20-25
Bolt 35-45
Reservoir M o u n tin g Bra cke t to S u p p o r t....................
Bolt 20-25
Control V a lv e A d a p te r to Stee ring Gear
T y p e 5 6 8 -D V -7 1 ...............................................................
Reservoir to M o u n tin g B ra c k e t.............................................
Bolt 20-25
Bolt
25-30
O il Cooler to S u p p o rt B ra c k e t...............................................
Bolt 10-15
Control V a lve to A d a p te r T y p e 5 6 8 -D V -7 1 . . .
Pressure Hose U n io n ........................................................
Bolt 15-20
30-40
V a n e T y p e H yd rau lic P u m p
M o u n tin g Bolt or S t u d .............................................................
25-40
Hose Fittin g s to P o rts . 20-30
Po rt F it t in g .........................................................
25-40
Po w er Steering C ylin d e r An ch o r Bracket
to Fra m e Bolt N u t
50-60
S lip p e r T y p e H yd rau lic P um p
Reservoir Cap S c r e w ..................................................................
15-20
Po w er Stee ring C ylin d e r An ch o r Bracket
Pressure Relief V a lv e ................................................
_
30
N u t
N u t
50-60
Fro n t In sert N u t ..............................................................................
_
95-105
Pow er Steering C ylin d er to Pitm an A r m S t u d * . 125 -15 0
T ie Rod to S tee rin g A r m S t u d *
Exc ep t F -0 7 0 F ro n t A x l e ........................................................
N u t 125-150
Pow er Steering Cylin d er An ch o r Bra cke t to
T ie Rod U - B o lt ...................................................................................
W ith F -0 7 0 Fro n t A x l e ..............................................................
N u t 230-250
N u t 35-45
T ie Rod En d C lam p Bolt
P o w er Stee ring Cylin d er Ball S tu d Socket
Exc ep t F-0 70 F ro n t A x l e .........................................................
N u t 65-75
Bolt 50-60
W ith F -0 7 0 Fro n t A x l e ..............................................................
N u t
80-100
♦Tighten N u t to Specified T o rq u e , Th e n A d va n c e to N e x t A lig n in g Slot
and Install a N e w Cotter Pin to Secure.
CHEVROLET SERIES 70-90 HEAVY DUTY TRUCK SHOP MANUAL