DENTSPLY Multimat 2 Touch, Instructions For Use Manual, Page: 74 / 204

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Disassembly:
Multimat2 Touch+Press
1. Observe dust protection measures!
2. Disconnect from main power!
3. Switch off compressed air feed!
4. Unscrew pressing hood, pull backwards somewhat and carefully remove upwards.
5. Disconnect plug connector from the solenoid valve.
6. Release the compressed air tube from the solenoid valve
by pushing the clamping ring upwards and simultaneously pulling off the compressed air tube.
7. Disconnect final position sensor.
8. Proceed further as described below for the Multimat2 Touch.
Multimat2 Touch
1. Unscrew cover and lift off vertically upwards (until pressing punch is free).
2. Disconnect protective conductor from the cover.
3. Remove insulating disc(s).
4. Disconnect thermal element from both rear connecting bolts.
5. First remove the thermal element together with the bar, and then the terminal insulation.
6. Disconnect the heating wire ends of the muffle from the two front connecting bars (use a 12 mm flat wrench for the anti-twist device
of the connecting bar and a 7 mm flat wrench for loosening the hexagon bolt).
7. Remove muffle from the insulating insert; be careful if the
furnace is hot and touch only the ends of the heating wire.
Assembly:
1
Caution!
Please wear cotton gloves when installing the new muffle, as to prevent sweat from the hands on the quartz tube.
Installation of a new muffle is done in reverse order of the disassembly.
Note: After a muffle change, we recommend testing the temperature with the silver test (see section 6.5 ).
3
Warning!
Check that the wire ends are not in contact with the metal mantle of the upper furnace section.
Reconnect protective conductor to the cover! Do not shut the protective conductor between vessel and cover.
7.5 Replacing the control unit (trained electricians or service personnel only!)
3
Warning!
Disconnect the unit from main power before opening the housing.
Service work may only be carried out by qualified professionals or service technicians.
1
Caution!
The firing chamber must be in its upper end position.
1. Disconnect from main power.
2. Unscrew all Phillips screws below the control element.
3. Remove control unit in upward direction.
4. Disconnect vacuum tube and all plug connections.
5. Disconnect thermal sensor.
6. Disconnect protective conductor from the control unit.
Installation of the new control unit is done in reverse order.
Note: For shipping the control, use the reusable packaging only!
Installation of the new control unit is done in reverse order.
Note: For shipping the control unit, use the reusabel service-packaging only.