BUCHI DuMaster D-480 - Manual (Page 231)

Operation Manual D-480 ©BÜCH Labortechnik AG
8 - Maintaining the instrument 231
Note: When you close the ground-in ball-and-socket joints, you must be able to feel an elastic
resistance when you press the o-rings into the pans, otherwise you must replace the o-rings.
 Place the ungreased seal on the combustion tube connection (3) at the top.
 Check whether the seals are in the pans of the plugs of combustion and post combustion tube.
Furnace area
The following picture shows the details of the furnace area:
Legend:
1 Handle
2 Bayonet catch
3 Reduction tube connection
4 Post combustion tube connection
Phase 1: Installing the reaction tubes, continued
Proceed as follows:
 Push the furnace back:
 Lift the bayonet catch (2) slightly so as not to damage the seal on the combustion tube
connection.
 Close the bayonet catch by turning the bayonet catch handle (1) to the left.
 Leave the end of the reduction tube open.