Operation
Version 1.0.2 dated 2018-09-12
Page 83
Translation of the original instructions
DH55G
GB
DH
55
G_
G
B
_
4.f
m
OPTIMUM
M A S C H I N E N - G E R M A N Y
®
With the below described procedure the taper mandrel is being loosened from the drilling spin-
dle.
Move the spindle sleeve down until the locking pin can be moved in.
Press the sleeve lever with a fast and powerful movement upwards.
The taper mandrel is pressed out of the drill spindle.
4.7.3
Fitting the drill chuck
The drill chuck or the tool is secured in the drill spindle against turning over by means of a form-
locking connection (driver).
A frictionally engaged connection keeps and centres the drill chuck or the drill in the drill spin-
dle.
Check and, if necessary, clean the conical seat in the drilling spindle and at the taper man-
drel of the tool or the drill chuck.
Press the taper mandrel into the drill spindle.
4.8
Drill table height adjustment
For positioning the drilling table during the set-up process.
ATTENTION!
Loosen the clamping levers on the drilling table first and then tighten again.
Img.4-3:
CAUTION!
Always turn the rotary knob on the gearbox permanently to <Hand crank> to prevent
unintentional actuation of the motorized height adjustment.
ATTENTION!
Do not use the height adjustment as a drilling feed.
Locking pin
Gear rotary knob
Clamping lever