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11 Maintenance
Checking/replacing the carbon brushes
WARNING
Improper replacement of parts.
Danger of electrocution.
Performing preparations
1. On/Off-switch OFF.
2. Wait until the HMS has come to a complete standstill.
3. Pull the plug from the plug receptacle.
4. Remove any dirt around the cap.
Removing the carbon brushes
1. Unscrew the caps (on both sides of the drive motor) with a suitable flat-head
2. Mark the position and location of the carbon brush with a pencil for reinstall-
3. Remove carbon brush.
Only a qualified electrician is permitted to replace parts and perform a sub-
sequent safety check according to the directives in effect.
Item
Designation
1
Cap
2
O-ring
screwdriver and remove with the O-ring.
ing.
Item
Designation
3
Carbon brushes
4
Minimum length 10mm (0.4 in)
46
100_0101_mt_0007.fm
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