Cleaning The Collet Chuck Of The Blank Holder - VHF Z4 Originalbetriebsanleitung

EN 62
8.10 Cleaning the collet chuck of
the blank holder
The grease for the collet chuck of the spindle
and for the collet chuck of the blank holder is
the same item.
1. Have ready:
Blank holder service set
n
Collet chuck grease
n
F . 82 B
IG LANK HOLDER SERVICE SET
1. Torque screwdriver (1.8 Nm)
2. Cleaning cone
3. Cleaning brush
4. Tube of collet chuck grease
NOTICE
wrong torque screwdriver or performing the
maintenance with the machine switched off
If you use a torque screwdriver other than the one
included in the scope of delivery, or if you
perform the maintenance with the machine
switched off, the block holder can get damaged.
Ensure that the machine is switched on during
the entire duration of the repair.
Only use the provided torque screwdriver.
Ensure that you apply a maximum torque of
1.8 Nm.
2. Switch on the machine at the main power switch.
3. Open the working chamber door.
4. Insert the bit of the torque screwdriver into the col-
let chuck and hold it in place.
5. Put the torque screwdriver on the bit and unscrew
the screw by twisting the torque screwdriver.
Damaging of the block
holder when using the
Original Operating Instructions: Z4
Version: 12/15/2021
Z4 – Maintenance and do-it-yourself
F . 83 L
IG OOSENING THE SCREW OF THE BLANK HOLDER COLLET
CHUCK
6. Remove the collet chuck and the screw from the
blank holder. Put both items aside within reach.
F . 84 R
IG EMOVING THE COLLET CHUCK FROM THE BLANK HOLDER
7. Clean the inner cone of the blank holder with the
cleaning cone of the service set.
8. Clean the collet chuck with the brush of the service
set.
NOTICE
wrong grease or applying the grease incorrectly
If you use unsuitable grease or if grease gets into
the longitudinal slots of the collet chuck, the
machine may get damaged.
Before applying the grease, ensure that the col-
let chuck is perfectly clean.
Ensure that no grease gets into the longitudinal
slots of the collet chuck.
Only use a very small, less than pinhead-size
amount of the grease.
Only use the provided grease of the service set.
9. Clean the outside of the collet chuck.
10. Grease the collet chuck. Apply the grease only to
the conical surface of the collet chuck.
Damaging of the collet
chuck when using the