Maintenance 153
22. Attach the lifting lugs of the module to be removed to the cabinet lifting lug with chains.
23. Pull the module carefully out of the cabinet preferably with help from another person.
24. Before the module back wheels reach the fastening hook on the floor, open also the
back support legs of the drive module by pressing each leg a little downwards and
turning it aside. Close the legs when the module back wheels have passed the
fastening hook.
25. Install the new module in reverse order.