124 Maintenance Replacement of a power module frame size R7 - R9The 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 mustalways be of the same type.Tools and accessoriesDismounting1. Stop, de-energize and ground the drive following the steps in section Shutting downthe 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 groundinghook on page 107.4. Attach the hoist to the front base beam of the cabinet.1 Hoisting gear2 Hoist3 Lifting belt213
