BUCHI DuMaster D-480 - Manual (Page 26)

Operation Manual D-480 ©BÜCH Labortechnik AG
2 - Basic security settings 26
Removing reaction tubes
Please observe the following instructions:
Warning Hot reaction tubes!
Risk of burning due to hot instrument parts.
When replacing the reaction tubes:
 Wear protective glasses.
 Wear the enclosed heat protection gloves.
 Place the hot tubes in a tube rack on a level, non-combustible surface.
 Protect the hot tubes from unauthorized access.
 Never leave the instrument unattended when the furnace has been pulled
out.
Warning Gas pressure and caustic substances in the instrument
Consumables may escape under pressure and cause chemical burns. Before
performing the work:
Shut off the gas supply. To do so, execute the Options > Maintenance >
Replace parts command.
Filling reaction tubes
Please observe the following instructions:
Warning Sharp pieces of broken glass!
When cold quartz or glass components break there is a risk of cut injuries.
Wear the enclosed protective leather gloves and protective glasses when
handling cold quartz and glass parts.
Caution Cutting sealing elements apart/out (o-rings, quad rings, half shells, ferrules).
When cutting sealing elements apart/out with a knife you may damage sealing
surfaces.
Never remove sealing elements with a knife but rather with tweezers.
Installing and conditioning the reaction tubes
Please observe the following instructions:
Warning Hot components in the instrument
When working inside the instrument there is a risk of burning as many parts of the
instrument are hot.
When working inside the instrument always wear protective glasses and the
enclosed heat protection gloves.
Caution Overheating if tube fillings are not appropriate for the operating mode!
Overheated tube fillings melt, run into the furnace area and destroy the furnace.
Make sure that the tube fillings correspond to the selected operating mode.
Emptying reaction tubes
Please observe the following instruction:
Warning Sharp pieces of broken glass!
When cold quartz or glass components break there is a risk of cut injuries.
Wear the enclosed protective leather gloves and protective glasses when
handling cold quartz and glass parts.