EIBENSTOCK BST 102/53 Notice Originale page 17

Demounting the Core Drill Unit
Move the machine holder with the core drill upwards until it locks in the final
top position.
Remove the drill bit.
Loosen the fastening nut (F) (see page 13)
While doing so, hold the drill rig firmly!
Remove the drill rig.
Unscrew the quick action clamping screw (D) (see page 13).
Care and Maintenance
Always keep the drill rig clean, especially the column with the toothing and
the 4 sliding pieces in the machine holder.
In order to allow the free movement of the pinion shaft, it should be slightly
lubricated.
In order to achieve a good performance of the drill rig, the 4 sliding pieces
in the machine holder have to move along the column without slackness.
Attention:
After every tenth drilling you should check if the sliding pieces have got
loose-fitting due to drilling vibration.
If the position should have changed, it can be readjusted as follows:
Behavior at Malfunction
Turn off the machine at malfunction and disconnect from the
main supply. Operations on the electrical system of the
machine can be executed by a specialist only.
Loosen the counter nut on the Allen
screw by means of an jaw wrench
SW 17
Adjust the Allen screws and the position
of the thrust piece to the column by
means of a hex head wrench SW 8.
Tighten the counter nut again and
check whether the carriage moves
easily on the column.
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