VHF E5 - Spindle Unit Exchange

7.13 Exchanging the spindle unit
Recommendation: When exchanging the spindle unit
according to the table for wear and spare parts,
exchange the bellow at the same time.
In that case we recommend the following sequence:
1. Detach the bellow from the spindle unit.
2. Remove the spindle unit.
3. Remove the bellow.
4. Install the spare bellow and attach the spare
bellow frame.
5. Install the spare spindle unit.
6. Attach the spare bellow in the working
chamber.
Description steps 1, 3, 4, 6:  Exchanging the
bellow – on page59
Description steps 2, 5: This Help Article
When exchanging the spindle, exchange the entire
spindle unit, which consists of the following compon-
ents:
n
Spindle including collet chuck
n
Collet chuck release unit including cable
The spindle unit is located behind the top service
cover and the safety cover:
FIG. 160 SPINDLE UNIT IN THE MACHINE INTERIOR (MARKED ORANGE)
1. Have ready:
n
1x Spare spindle SFE 300E
FIG. 161
1. Connection for the spindle cable
2. Spindle including collet chuck
3. Cable of the collet chuck release unit with plug
n
1x Torque screwdriver 1.5 Nm with TX20
bit
FIG. 162
2. Start DENTALCNC.
1. Open the Maintenance section window with the fol-
lowing icon in the main iconbar:
3. Select the following icon for the Exchange spindle
entry:
The spindle moves into the spindle
exchange position.
4. Close DENTALCNC.
5. Switch off the machine at the main power switch.
6. Remove the top service cover:
a. Grasp the recess on the left and right sides of
the cover.
b. Lift the cover out of the tabs.
Original Operating Instructions:E5
Version: 4/27/2023
Maintenance
EN 66