
8
Inspection/maintenance
Motor and brake maintenance – preliminary work
Operating Instructions – EDR..71 – 315, EDRN63 – 315
141
8.5
Motor and brake maintenance – preliminary work
WARNING
Risk of injury if the drive starts up unintentionally.
Severe or fatal injuries.
•
Before you start working on the unit, disconnect the motor and all connected op-
tions from the power supply.
•
Secure the motor against unintended power-up.
8.5.1
Removing rotary encoders from EDR..71 – 132, EDRN80 – 132S motors
The following figure illustrates the disassembly procedure using the ES7. rotary en-
coder as an example:
[361]
[34]
[35]
[362]
[220]
[619]
[B]
[367]
[733]
[A]
3475618443
[34]
Tapping screw
[367]
Retaining screw
[35]
Fan guard
[619]
Encoder cover
[220]
Encoder
[733]
Screws
[361]
Extended fan guard
[A]
Screws
[362]
Torque arm
[B]
Cone
25896334/EN – 06/2019