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Re-install both removed shaft end screws with the
removed pressure plates, on both retarder sides.
Do not install lock tabs yet.
With a manual torque wrench apply a tightening
torque value of 60 Nm ± 20% (44 lb.ft ± 20%)
alternately on these 2 screws.
Use a 19mm socket and a locking bar to be
inserted inside a rotor cooling canal for preventing
rotor rotation.
Check the axial run out of the rotors by using a dial
gauge with magnetic base.
Maximum allowed value: 0.28mm
Note: should the measured value be higher than
0,28mm, please contact the technical department
at TELMA SA.
Measure the air gaps by using a feeler gauge.
Do not turn the rotors and measure the air gap
between the rotor and each pole shoe.
The average of these 10 values must be conform
with values mentioned in retarder technical
specifications: 1.30mm
0
-0.20
. Proceed on the
same way for both retarder side). Adjust air gap by
adding or removing air gap adjusting shims if the
value is not correct (operations 7B-1 to 7B-7).
Get closer to your TELMA agent for retarder
specifications.
For additional information related to air gap
measurement, please refer to technical
information 2006/05.
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