6
G-F 316 E - 24.02.2002 / Vers.: 2
3.4 Changing the carbide metal milling tool
See Fig. 2., page 6)
1. Switch off unit at main switch and pull mains supply plug.
2. Take out the two recessed countersunk head screws (27) and take off the work table (16).
3. With the milling tool (6) clamped in clean the swivel nut (22) with a brush.
Caution
The swivel nut must be cleaned before changing the milling tool as dust falling into the collet
chuck could cause damages to it.
The denture model grinding unit should not be cleaned with compressed air.
4. Take the plastic plug out of the opening (23).
5. Press the blocking pin (24) into opening (23) and turn the milling tool (6) until the blocking pin
(24) snaps in securely into the spindle thus locking it. The O-ring (25) prevents the blocking pin
from jumping out.
6. Loosen the swivel nut (22) with the tubular hexagon box wrench (19 mm) (19) and using the
crossbar (26) and pull out the milling tool (6).
7. Insert new milling tool (6) with O-ring (20).
8. Slightly tighten the swivel nut (22) by hand until the milling tool shaft can just about be moved in
and out..
9. Press down the milling tool (6), thus slightly squeezing the O-ring (20) and making it tight.. The
milling tool must be kept in this pressed position.
10. Tighten the swivel nut (22) securely with the tubular hexagon box wrench (19).
11. Pull out the blocking pin (24), seal opening (23) with the plastic plug and screw on the work
table (16) again with the two recessed countersunk head screws (27).
Fig. 2: Front right view and front cross section
6 Milling tool
23 Opening for plastic plug
16 Work table
24 Blocking pin
19 Tubular hexagon box wrench (19 mm)
25 O-ring on the blocking pin
20 O-ring on the milling tool shaft
26 Crossbar Ø 12 mm
21 Suction channel
27 2 recessed countersunk head screws
22 Swivel nut (19 mm)
