SECTION 27 - REAR AXLE 25
MEASURING OF RANGE BETWEEN THE FACE THRUST BLOCK AND THE BACK FACE OF
DIFFERENTIAL
For dimensions “S” outside normal gap range use
as required the minimum number of shims to pro-
vide design gap of 0.10 - 0.20 mm.
This procedure has the goal to get a clearance of
0.10 mm to 0.20 mm between the thrust face of the
thrust block and the back face of the differential bev-
el gear.
To get this setting we perform two measurements to
calculate the shim pack to be used.
Z On the centre housing, with the differential assy in-
stalled and centered, we check the distance from
the back of the bevel gear to the trumpet mounting
face of the centre housing. During this measure-
ment rotation of the differential is needed to get the
shortest reading. This is to take the run-out of the
back face in calculation thus to avoid interference
afterwards (dimension Y).
Y: dimension from back of differential bevel gear to
trumpet mounting face.
A: gauge clamped on housing and differential
aligned to check the dimension “Y”.
VALUE “S”
SHIMS
mm
0.80 ÷ 0.89 87346232 + 87346228
0.90 ÷ 0.99 87346232 + 87346231
1.00 ÷ 1.10 87346232 + 87346427
F29560
S
F29637
Y
F29638
A
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