Buchi DuMaster D-480, Руководство по эксплуатации

Страница: 199 / 354

Operating instructions DuMaster D-480 ©BÜCHI Labortechnik AG
8 - Maintaining the instrument 199
Furnace area
The following picture shows the details of the furnace area:
Legend:
1 Bayonet catch
2 Handle
3 Connection Reductor
4 Ball valve fastening
5 Ground-in clamp
6 O
2
supply tube
7 Post combustion tube connection
Phase 2: Pulling the furnace out of the instrument
Proceed as follows:

Open the front door.

Unscrew the combustion tube connector. To do so, turn the bayonet catch handle (2) to the right.

Remove the ground-in clamp (5) on the reductor (3).

Remove the ground-in clamp (5) on the post combustion tube (7).

Remove the O
2
supply tube (6) by opening the two ground-in clamps (5).
Top view furnace
The following picture shows a top view of the furnace pulled out:
Legend:
1 Post combustion tube plug
2 Post combustion tube
3 Combustion tube connection
4 Combustion tube
5 Plug of Reductor
6 Reductor
Phase 3: Removing the ball valve
Proceed as follows:

Open the ground-in ball-and-socket joints of the tube (1) leading to the ball valve.

Push the right side door open from inside (magnetic lock).

From the right, unscrew the ball valve (3) locking screws using an 8mm open jawed wrench.

Pull the ball valve out of the instrument to the front.