Inspection Of Stripped Out Components Of Steering Box And Steering Unit; Steering Box Assembly; Steering Box Perspective View - Fiat 411 R Service Manual

Worm gear shaft.
\%
@ \=-a. g, v,
~5_;T€—i V )>\
.-<. . ..,,__=_'_'_
E 3' --"'\ \ " .-
I "F'f'.'.'.';\4» \ "
C?
/-1-3
eh
. -.8 l g:
WT:'\ $1
I'.-
T I5 R
Fig. 'E2<}. - Steering box perspective view.
R == Roller washers » S = Screw to roller tooth aligning
shims ~ T =1 Taper roiier bearing adiusténg shims - Gg and
Gp = Roller shall seals » VI' =1 Adjusting screw.
Remove the steering whee! and {he board; remove
{he screws fasiening the sfeering column to the
sfeering box and remove the steering shaft and ifs
bearings.
Mole. - When d:'smam'lfng the ro!/er bearing
outer races from the sieering box, do not alter the
shim pack (S, Fig. 120).
' ~ i;. nxy'
». IT' I? '' "Z9, - ; ; [ f "' . m _ 1 . . . ; ~ : . : l ; - : 1 - ' = - ~ _ W! r, - 4.
w : ' : A : i _ f l " ' ;'
~. : * : : . ' - s h : - 1
" .
2 1 § -_'
a ' '
J' - An ' '
\ .
R '\? L "
I ' l d
Y» I . |_
.,
=. - ' " ' _ _ . ; z ; F l ~ .
h we "*1"
§ 1- _l' : .f' :
. M. ii " ~ ; . < . s ' : . = ¢ ' <
i'
W __ _.»,¢' - .1.
"-~ . 3
Fae' '
in .. '.—.-=1".-':"1'---5-' T'
==-I-~ -.--—-1;: ; :- m..-- 3 1.<,;__;;
_ 7_;:_; Ii e' 1' 1,3,2. ;. 1'. =_'_ at - 'Kg-;»~ l/,1;d_1i;l' r.:€'_
3' -
_ -" , .fi=
; in ., . . . »
w~ ~ '.';. . J »..~T'1.* 'I: .~,-'-',- I .1' Q 4;-_f~, _. 'Q;
9;, »>:».;., 5 ig. , .2"?
*i;'§ ~',;;' '.~e;:;_.5.,;§ ~. ~, r 2% ' '
_, -:=;:;.. 5: ' _ .~f_::~*;*
F
e:':l"'*'J 5* ' §::.'=3.?\i~.'-"5 6; £6 '$1! ..
P*~':"E'=.' ';.~__.: . ,. 3%? .3';-'=
fie ' F5; , L? '"'§;»\;» ' - ' 7 " ~f{5!."=§Z%>!'&1..~'§h¢" ..:¢';~.';z_ ' _ -~.~:1¢~>:l
,- >4» 1. 1 . . 1 . —;. _ ,1.
. - -. V 1 . "'/'4'-'§4":=_'> . f»»\—. so
"l-"' - Y-".1? ,1 _~=.-.~-.__._ _ . . ,.__§'- "' 4-€'1~F
2585?}??? 9;: ~rz' ; .~\29_' T. ' 1: "
-._--mm' —:; 31:; 2:: <-,. ~, ' ---- "25'; ' -- :;'.-=_-;'
51115' ' f'i'='.¢1.. V .;' ~12--'7€\; ' - " ' ' _~-
id" '*17'1'?"€ -T1 . .-Ir-.'-"1"' '{=i'~17' W-'*2 ¢-..':~'- -1:' +1
r-_=..A : .»; ;._. -.1.-.--'.~; .-'.»- ' ,'-1;' ., .;. .-.-;-;-.'_ --;-=7
-g 3.. " :I._'.J.' :_:_'-'-§'1"::i€-__'-I,-—:_E' _ ' ; :l.;:n-1j1_§l:' ~ ;;Z€-
L. =..-'.1,-~ '=.- . - . . _ -r -.. =,,_ V P »- ;.~: V.
fi"*'»q='%=>-1?'-""-n' F $35.2"? .i'.",~,.=Il1='$Zt'1
" -=-=:-'.'>' : -":' » :§»,._. ' ' ;.:"&=."e—~"'-'. --';4;;>;:r
Fig. 121. - Steering box muunied on iractor.
hlspection of stripped out componenis of steering box and steeréng unit.
Check mating surfaces of roller and worm gearfor notches or traces of seizing. Check alignment of roller
and worm gear, this signifying that the roller and worm screw reciprocal position is correct; if otherwise,
the shims should be changed (S, Fig. T28).
Check for clearance between bushes and the roller shaft, according to specifications of page 76 and
replace bushes when iimits are exceeded, in order to maintain proper mesh between roller and worm gear.
Ream bushes after assembly, using reamer U 611916 to achieve the correct diameter. '
H roller shows end play, due to wear of the two washers (R, Fig. 122}, replace the shaft also, being the
parts riveted together.
Check the taper roller bearing for free play and the roller shalt oil seal.
Check eieering arm and drag links for straighthess; if bent, straighten ihem anci make sure ihat their
strength is u nlmpaired.
Steering box assembiy.
Parts to be assembled.
The roller shaft bushes.
74
Operations and cautions.
If bushes have been replaced, after reassembiy ream
them using reamer U 611916 up to fine rfiameéer
specified In page 76.
5
f
- - . . _ . . . . - . . _ . . . . . - . ~ . - . . . . . . . , _ , _ . , , , _ . _ _
. . - . . . . . . _ = _ - . . -
§ . . . . . . . . . . . . . . _ - .
l
v ~ +/
l
l
l
l
l ;
' £
!
l g
1;
l.