108 Maintenance
Replacing the drive module
This replacing procedure requires: two persons, installation ramp, a set of screw drivers
and a torque wrench with an extension bar.
The drawings show frame R11. The details in frame R10 are slightly different.
WARNING! Obey the instructions in chapter Safety instructions. If you
ignore them, injury or death, or damage to the equipment can occur.
• Handle the drive module carefully:
• Use safety shoes with a metal toe cap to avoid foot injury.
• Lift the drive module only by the lifting lugs.
• Make sure that the module does not topple over when you move it on the floor:
Open the support legs by pressing each leg a little down (1, 2) and turning it aside.
Whenever possible secure the module also with chains.
• Do not tilt the drive module (A). It is heavy and its center of gravity is high. The
module overturns from a sideways tilt of 5 degrees. Do not leave the module
unattended on a sloping floor.
1. Stop the drive and do the steps in section Precautions before electrical work on page
16 before you start the work.
2. Unplug quick connector(s) at the right top corner of the control unit mounting plate.
3. Remove the control unit mounting plate.
4. Remove the shroud.
5. Remove the air baffle.
6. Remove the air baffle.
7. Remove the air baffle.
8. Remove the air baffle.
9. Disconnect the drive module input busbars from the cabinet busbars. Combi screw
M12, 70 N·m (52 lbf·ft).
10. Disconnect the drive module output busbars from cabinet busbars. Combi screw M12,
70 N·m (52 lbf·ft).
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