OPTIMUM
M A S C H I N E N - G E R M A N Y
Operation
21 / 07 / 2014
Page 37
Operation Upright drill B34 H/ B34 H Vario ; Version 1.0.5
2
014
US
4.8
Removing, mounting of drill chucks and drills
4.8.1
Mounting the drill chuck B34 H (Vario)
The keyless drill chuck is
secured through a form-fit
union (driver) against twist-
ing in the drilling spindle.
A friction-locking union
holds and centers the key-
less drill chuck with the
taper mandrel in the drilling
spindle.
Img.4-12: taper mandrel
Check and if necessary, clean the conical seat in the drilling spindle and at the taper mandrel
of the tool or the quick-action drill chuck.
Press the taper mandrel into the drilling spindle.
4.8.2
Keyless drill chuck
The drill chuck consists of two
parts (No. 1 and No. 2)
.
Hold the upper part (No. 1) of
the drill chuck. With the lower
part (No. 2) of the drill chuck
one can firm and/or loose-
turn the cheeks of the drill
chuck.
Turn the tool (drill) firmly.
Img.4-13: drill chuck
ATTENTION!
Make sure that the chucked tool is positioned firmly and correctly.
drilling spindle
driver
taper mandrel
upper part (No.1) key-
less drill chuck
lower part (No. 2) key-
less drill chuck
tool (drill)