Maintenance and repair
Kendrion INTORQ | BA 14.0217 | 07/2021
72
9.3.1
Brake testing
Notice
A simplified inspection/maintenance is permitted with the mounted brake under the following
conditions:
¾
Usage as a holding brake (brake engaged only at standstill)
¾
Air gap within permissible range
¾
< 10000 emergency stops
¾
Rotor in noise-reduced version (gear teeth with plastic sleeve)
The extended inspection/maintenance required after the brake removal can then be omitted.
Simplified inspection/
maintenance with the
mounted brake
¾
Check the air gap (CAUTION: If the
air gap needs to be readjusted, the
extended inspection is required after
the brake is removed.)
Refer to Checking the air
gap, Page 73
¾
Check release function and control
Refer to Release / volt-
age, Page 73
Extended inspection/
maintenance after re-
moval of brake
¾
Adjusting the air gap
Refer to Adjusting the air
gap, Page 74
¾
Checking the rotor thickness
Refer to Checking the rotor thick-
ness, Page 74
¾
Check the play of the rotor gear teeth
(replace worn-out rotors)
Refer to Replacing the ro-
tor, Page 74
¾
Check for breaking out of the torque
support at the guide parts and the ar-
mature plate
¾
Check the springs for damage
¾
Check the armature plate and flange
or counter friction surface
– Thermal damage (dark blue tarnish)
– Flatness depending on the size
Refer to the Design of end shield
and shaft, Page 41 table.
– Max. run-in depth = rated air gap
for the size
Refer to the Characteristics for air
gap specifications, Page 23 table.