SPECIFICATIONS 14
STEERING
S E C T IO N 9
MECHANICAL
STEERING SPECIFICATIONS
S T E E R I N G
GE AR A P P L IC A T I O N CHART
T R U C K M O D E L S
G E A R M O D E L
G E A R R A TI O
C40. 50
5 4 9 -D -17 6
2 8 .14 to 1
S 5 0 ..
5 5 3 -D -78
2 8 .14 to 1
C60
5 5 3 -D -72
28 .14 to 1
T 5 0 ,60
5 5 3 -D -17
2 8 .14 to 1
S T E E R IN G GEAR A D J U S T M E N T S
W O R M B E A R I N G S
Pull to keep w heel m o v in g .....................................................................................................................................................................................................................................................................................114 to 2 lbs.
S E C T O R G E A R L A S H :
Pull over c e n te r............................................................................................................................................................................................................................................................................................................
23A
to 3 K lbs.
Lash A d ju s te r S h im T h ic k n e s s .........................................................................................................................................................................................................................0 .0 6 3 ", 0.06 5 ", 0 .0 6 7 ", 0.069"
TO R Q U E S P E CIFIC A T IO N S
T Y P E OF
T O R Q U E (1)
L O C A T I O N
P A R T
FT. LBS.
S T E E R I N G G E A R
W orm Bearing A d ju s te r Scre w
N u t
70 -10 0
Back U p A d ju s te r Ja m N u t (if u sed) (5 5 3 -D -1 7 o n ly )
S T E E R I N G W H E E L - T O - S T E E R I N G S H A F T
" T ” M o d e ls .................................
S T E E R I N G C O L U M N C L A M P B O L T
All M o d e ls ...........................................................................
.............................................................Bolt
S T E E R I N G S H A F T " S T O P ” C L A M P B O L T
S T E E R I N G S H A F T - T O - W O R M S H A F T C L A M P B O L T
“ S ” M o d e ls ..............................................
“ C ” M o d e ls ..............................................................
................................... ......................Bolt
S T E E R I N G G E A R - T O - F R A M E B O L T
All E xc e p t “ T ” M o d e l s ................................................................................................................................................................................................................. .................. N u t
90-130
“ T ” M odels
N u t
9 0 -110
P I T M A N A R M T O P I T M A N S H A F T
“ T ” M o d e ls ............................................................................................................................................................................................................................................... ..................... N u t
220-250
All O th e rs (P itm a n A rm C lam p B o l t ) ..............................................................................................................................................................................................N u t
10 0 -110
C O N N E C T I N G R O D S T U D - T O - P I T M A N A R M A N D S T E E R I N G A R M
E xc ep t " T ” M o d e ls .......................................................................
............................................................................... N u t
40 (2)
“ T " M odels
N u t
12 5 -15 0 (2 )
S T E E R I N G A R M - T O - T I E R O D S T U D
F050, F055
N u t
150 -160 (2 )
F070
N u t
150 -180 (2 )
F090, F 1 1 0 , F 1 2 0 ......................
.........................................N u t
12 5 -15 0 (2 )
S T E E R I N G T I E R O D C L A M P B O L T
F050, F055
N u t
45-55
F 0 7 0 .........................................................
................................... ................. N u t
80-100
F090, F 1 1 0 , F12 0
N u t
65-75
S T E E R I N G A R M - T O - S T E E R I N G K N U C K L E S T U D
F050, F055
N u t
1 1 5 - 1 6 5 ( 2 )
F 0 7 0 .........................................................................................................................................................................................................................................................................................N u t
180-240 (2 )
F090, F I 10, F 1 2 0 ............................ ..........................................................................................................................................................................................................................N u t
400
(2 )
( 1 ) N O T E : A ll tapered ball studs m u s t be clean and d ry .
(2 ) Tigh ten as indicated, th en tighten to next notch to insert cotter pin.
CHEVROLET OVERHAUL M A N U A L SUPPLEMENT
Summary of Contents for 40 60 Series
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