Case 580SR Service Manual page 821

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Replace the plate (4) and retaining nut and tighten
to a torque of 18 Nm.
Check the clearance between the plate (4) and rotor
(8). This should be consistent around the circumfer-
ence and be between 0.4-0.8 mm.
NOTE: if the air gap is not consistent, lightly pry up
on the counter weighted front plate at the low spots
or lightly tap down at the high spots.
If the clearance is not within specification the shims
(5) under the front plate should be added to or sub-
tracted from, until the correct clearance is obtained.
NOTE: new shims are available in sizes 1.00, 0.50
and 0.13 mm.
Replace dust cover (2) if present and torque 3 on 6
bolts (1).
SECTION 50 - CAB HEATING AND AIR CONDITIONING
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4
8
61
4
F28730
F28741
5
F28742