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7. Thoroughly suck (or blow) out the brush dust which has settled.
8. Check that all brush holders are correctly closed.
9.1.9
Setting the brush rocker and brush holder
1. After you have replaced the carbon brushes, make sure that you adjust the brush rocker
2. Bolt the brush rocker.
Image 9-1
Adjusting the brush holders
1. Check the radial clearance between the commutator and the lower edge of the brush holder.
9.1.10
Maintaining the commutator
Cleaning the commutator
●
● Clean the slots between the commutator segments with a suitable wooden slat or glass
Note
Sparking or flashover caused by unclean slots
Dirty slots can cause sparking or flashovers on the commutator.
SIMOTICS DC 1HS5
Operating Instructions 02/2016
exactly.
You will find a line on the bearing shield and on the brush rocker itself for this purpose. The
rocker is positioned correctly when both marks are lined up. The marking can be viewed
from one of the service openings.
Adjusting the brush rocker: fixed part (1), brush rocker (2)
The setting clearance is steplessly adjustable and between 1.5 and 2 mm. The brush holder
can be set inside the machine.
To remove oil, grease and/or dust, clean the commutator with a non-linting cloth .
pencil.
Maintenance
9.1 Inspection and maintenance
91
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