124 Maintenance
Replacement of a power module frame size R7 - R9
The replacement procedure is basically as for power module of frame size R4-R6.
The main difference is the weight of the module types. Replacement power modules must
always be of the same type.
Tools and accessories
1
Hoisting gear
2
Hoist
3
Lifting belt
Dismounting
1. Stop, de-energize and ground the drive following the steps in section
the drive for maintenance
2. Switch off all miniature circuit breakers in the control compartment.
3. Ground the power modules according to
hook
on page 107.
4.
Attach the hoist to the front base beam of the cabinet.
before you start the work.
Grounding power module with grounding
2
1
3
Shutting down