JEI SOLUTIONS LTD
MAGBEAST HM40
5.2 (20130122)
Operators manual for Drilling Machine Magbeast HM40
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5.2 Replacement of motor brushes
:
For the MAGBEAST HM40 drill, the state of the carbon brushes should be monitored
every 100 working hours.
Replacement of motor brushes should take place when the machine is turned off and
the power cable is disconnected from the power grid!
1
2
3
4
5
6
7
8
1. Unscrew 2 screws (1) fastening brush housing (2).
2. Loosen M4x6 screw (3) clamping the pressure plate (5) of the brush holder (8).
3.
Pull out the brush’s terminal clamping tip (6) from under the pressure plate (4).
4.
Bend off the bush plate’s pressure spring (5) and take out the brush(6) carefully.
5. Examine a length of the brush
– if it is smaller than 5 mm it has to be replaced with
a brand new original piece.
6. Follow above steps in reverse order to re-assemble the motor unit.
ATTENTION: During the process of mounting terminal clamping tip (6) of the brush, pay
attention to
position of the motor’s wire (7), which un-insulated part should be permanently
pressed down with the pressure plate (4) of the brush holder.
After replacement, new brushes should be Grinded in for about 20 minutes on idle gear.
Replacement of engine brushes is possible without removing the drive from the drill.
