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
Dismounting
1. Stop, de-energize and ground the drive following the steps in section Shutting down
the drive for maintenance before you start the work.
2. Switch off all miniature circuit breakers in the control compartment.
3. Ground the power modules according to Grounding power module with grounding
hook on page 107.
4. Attach the hoist to the front base beam of the cabinet.
1 Hoisting gear
2 Hoist
3 Lifting belt
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