Adjusting The Nominal Brake Torque And Replacing The Springs - Danfoss VLT OneGearDrive Instruction Manual

Maintenance, Diagnostics an...
6.1.1.1 Figure
1
10
9
8
7
1 Rotor width, minimum 0.217 in [5.5 mm]
2 Air gap, maximum 0.018 in [0.45 mm]
3 Fastening screws
4 Armature plate
5 Magnet
6 Springs
7 Hub for rotor
8 Rotor
9 Friction plate
10 Hollow screws
11 Brake cover and nuts
Figure 6.1 Brake and Rotor
MG75C422
Instruction Manual
1.
2.
2
3
3.
4
4.
5.
6.
NOTICE!
After the rotor has been exchanged, the complete
braking torque will only be effective after the brake
linings at the rotor have been run in.
5
Check the brake cover seal before closing it and
exchange the seal if any damage is detected.
6.1.2 Adjusting the Nominal Brake Torque
6
The nominal brake torque can be adjusted and broken
springs can be replaced. Follow the instructions in
chapter 6.1.1 Replacing the Brake and Rotor to open the
brake as reference for the nominal brake torque:
11
Nominal brake torque [Nm]
10
7
6
4
Table 6.2 Nominal Brake Torque
Danfoss A/S © 08/2014 All rights reserved.
Open the brake completely by turning the brake
cover nuts (11) counter-clockwise.
Loosen the fastening screws (3) completely by
turning them counter-clockwise.
Remove the installed brake and rotor from the
hub of the rotor (7).
Assemble the new brake and rotor on the hub of
the rotor (7).
Tighten the fastening screws (3).
Close the brake cover and tighten the covering
nuts (11).
and Replacing the Springs
Number of springs
7
5
4
3
6 6
19