Fiat 411 R - Specifications, Assembly Clearances and Permissible Wear of Power Take-Off and Belt Pulley Components; Belt Pulley Unit Section

Checking all component?-
Reassembling and adiusfing the pulley assembly.
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Check bevel gears and shaft splines accom'ing {Q Q
cfafa of page 118;
check bearings for correct functioning and Sfmfi
seal for oi! leaks.
Refer to Fig. 178 and reverse {he sequence ;'of!ow@d
for dismantling.
zhe shim rmg P of a'rr|/mg pinion and shim flng ;__
of bevel cmwn gear
The suggeeied clearance for bevel pmron and wh.;-9,1
rs of 0 “'5 mm (0 0059 ,l am shoufd be Obfdlfiéd by
/arymg the L and P shzm ring thicknesses
Service wiih SAE 140 oilfhe belt pulley assembly
unifl level reaches the plug faceted on the cover
opposiife to the same, "
Bevel pin/‘on and wheel adjusfmenf made by varying
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Fig. 170. - Belt pulley unit section.
F.. Bevel gear adjusiment shim. P. Bevel pinion adjustment shim.
SPECEFICATFQNS, ASSEMBLY CLEARANCES AND PERMISSIBLE WEAR OF POWER
TAKE-OFF AND BELT PULLEY COMPONENTS
F We e 1 , _ er V 1 er e »_ “II
Data Wear limits
1 Between driving gear splines and power take ‘
i 2
Between gear splines and power fake-off driven
Assembly clearances " 7' " * Vfl W" ’—| ~ "*7 ‘
mm in. mm i in. ‘
' Tal;e»off gear backlash . . . . . . . . . . . 0.19 :0 0,20 3 oaoss :0 0.04119 9,4
l . 4
uff control shaft . . . . . . . . , . . . . . 0,010 ‘E0 0,105
ll shafi . . . . . . . . , . . . . . . . . . . . 1 -0,024 is 0,012 I-0.0009 to 0.0005 _ _ -
Bel? pulley pinion backlash . . . . . . . . . 6,15 0.0959 E 0,4
l i - 7 ;
EBWEEH driven gear splines End pulley shaft ' -0.024 to 0.872 I -8.0009 to 0.9028 ‘ - ’ —
0.0157
l
O .0004 to 0.0041 3,25 .‘ 0.8098
- e l
0.0157
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' 59?? Pulley gear adjustmeni shims . . . . .
ll~W , e , 7- , , _ 7' l_ __*,_, _ , _,,*_.__
1.5-1.8-2-2.2-2.4 0‘B85'5_O_0g4'5 =
:0 asst;-0 07n9~0 0787;‘ '
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