Replacing The Clamping System Of The Blank Holder - VHF K5+ Originalbetriebsanleitung

K5+ – Maintenance and do-it-yourself
8.13 Replacing the clamping system
of the blank holder
If the blank holder no longer properly fixates blanks,
exchanging the clamping system of the blank holder
may solve the issue. The respective spare part can be
obtained from customer service. The spare part
contains all parts that are removed in the following
steps as replacement.
1. Have ready:
Spare clamping system of the blank holder
n
Hex key (2.5 mm)
n
Hex key (3 mm)
n
Wrench (8 mm) if you replace the clamping
n
system for the first time
2. Move the axes into the default position by
selecting the depicted icon in the Machin-
ing view in DENTALCNC.
3. Open the working chamber door.
4. Switch off the machine at the main power switch.
You can rotate the blank holder freely.
5. Open the blank holder.
6. Unscrew the 2 screws on the upper side of the
blank holder cover with the 2.5 mm hex key and
remove the 2 double cones of the clamping sys-
tem.
F . 68
IG
7. Place the spare double cones of the clamping sys-
tem in the recesses (marked blue) of the blank
holder cover and screw them down with the 2.5
mm hex key.
F
IG
F
IG
Original Operating Instructions: K5+
Version: 12/16/2021
. 69
8. Remove the blank holder levers and the shaft
between them:
a. Hold the shaft in place, unscrew the blank
holder levers with the 3 mm hex key and
remove them.
b. If the screws of the blank holder levers have
the same length as the spare screws, pull the
positioning aids out of the shaft.
If the spare screws are longer, unscrew the
positioning aids from the shaft with the 8 mm
wrench.
F . 70 P
IG LUGGED POSITIONING AID
SCREWED POSITIONING AID
c. Remove the shaft of the clamping system.
. 71
EN 49
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LEFT AND