OPTIMUM
M A S C H I N E N - G E R M A N Y
Maintenance
Version 1.0 dated 2017-03-13
Page 46
Original operating instructions
RD4
GB
R
D
4_
GB
_5.
fm
4.5
Adjustment of clearance on cantilever and drilling head
If needed, reduce the guide clearance between the cantilever arm and the drilling head.
Adjustment of vertical roll guidance:
Remove cover plate.
Undo screws (1).
Undo clamping screw at (2) with an Allen key, and turn the ring (2) with a suitable tool in the
hole.
Clamp the screws (1) again and check the free running of the drilling head with the hand
wheel using the entire travel on the cantilever.
Adjustment of horizontal roll guidance:
Undo screws (3).
Undo clamping screw at (4) with an Allen key, and turn the ring (4) with a suitable tool in the
hole.
Clamp the screws (3) again and check the free running of the drilling head with the hand
wheel using the entire travel on the cantilever.
Undertake the working steps on the other side (6) precisely in that way. Remove the cover plate
(6) .
Img.4-1: Guide for drilling head on cantilever
4.6
Adjustment of position switch on clamping lever
The clamping lever must be pulled firmly, so that the spindle drive switches on.
If the spindle no longer turns, or the spindle rotation does not shut down if the clamping lever is
released.
Undo the stud bolts on the eccentric cam and turn the eccentric cam until the switching
point is correctly set.
Vertical roll guidance
Horizontal roll guidance
6
2
1
4
3
