
!
Exchanging the rotary instruments
Replacing the chuck
8. Exchanging the rotary instruments
The chuck is opened by turning tension lever
(31)
to the right till it stops.
When the shaft of the rotary instrument is placed into the chuck turn tension lever
to the left till it stops.
With regard to the precision and service-life of the chuck, an instrument must always
be inserted into it - even when the spindle is not in use.
CAUTION:
Only ever exchange the rotary instrument with
the motor switched off!
Risk of damage !
9. Replacing the chuck
- Take milling spindle out of the spindle holder
see “Operation - Milling Spindle” (point 7.1; page 9)
- Open chuck and remove the rotary instrument.
- Remove motorcable. Unscrew cap
(36)
from motor and loosen cable by pulling out the
plug-in seal
(35)
. Please insure that the chuck is open.
- Use a number 6223 wrench
(34)
to hold the motor end of the spindle.
- Engage the triangular section of the chuck
(33)
with a number 4115 tool
(32).
Hold tight No. 6223
(34)
wrench and screw out the chuck by turning the
tool no. 4115
(32)
anti-clockwise.
The chuck has a right-handed thread!
Please note:
In the chuck is a stroke for short shafts, this could be removed
or replaced as required.
- Clean the chuck, grease its outside lightly and place it in the spindle.
Use the tools as described to screw the chuck in - clockwise and as far as possible
and tighten it slightly.
Replace the plug-in seal
(35)
and screw the cap
(36)
back
into place.
- Replace milling spindle in spindle holder.
32
31
33
34
35
36
37
13
chuck 2,35/3,0 (art.-no. 4114/4117)
stroke 2,35/3,0 (art.-no. 4918/4925)