Maintenance and repair
Kendrion INTORQ | BA 14.0224 | 02/2021
39
8.3.1
Checking the components
With mounted
brake
¾
Check release function and control
Refer to Release / voltage, Page 40
¾
Measure the air gap (and adjust if re-
quired)
Refer to Checking the air gap, Page 39
¾
Thermal damage of armature plate or
flange (dark-blue tarnishing)
After removing
the brake
¾
Check the play of the rotor gear teeth
(replace worn-out rotors)
¾
Check for breaking out of the torque
support at the spacers and the arma-
ture plate
¾
Check the springs for damage
¾
Check the armature plate and the
flange
– Flatness depending on the size
– Max. run-in depth = rated air gap
for the size
Refer to the General data, Page 13 table.
8.3.2
Checking the air gap
DANGER
Danger: rotating parts!
The motor must
not
run while the air gap is being checked.
1. Measure the air gap s
L
between the armature plate and the stator. The feeler gauge must not be in-
serted deeper than 15 mm. Inserting the feeler gauge too deeply can damage the functionality of the
brake. Also make sure you do not damage the connecting cable with the feeler gauge.
2. Compare the measured air gap with the value for the max. permissible air gap s
Lmax
. (Refer to the
General data, Page 13 table for the values.)
3. Replace the complete brake before the max. permissible air gap is exceeded.
