10.1.9 Replacing the O-rings
Risk of burns
Hot machine parts
− Some parts of the machine can get very hot and cause burns when
touched without wearing protective gloves.
• Wear heat-resistant protective gloves when working with hot
machine parts.
• Never touch hot parts of the machine without suitable protective
gloves.
Risk of cuts
Glass splinters
− Sample vials and reagent tubes are made of glass and can break. Glass
splinters can cause cuts.
• Inspect reagent tubes and sample vials for damage prior to use.
• Wear protective gloves and goggles when handling reagent tubes
and sample vials.
• Replace damaged reagent tubes and sample vials.
• Do not touch glass splinters with unprotected hands.
10.1.9.1 Replacing the O-ring at the top of the combustion tube
Replace the top O-ring on the combustion tube of the analyzer as follows:
1. Turn the main switch on the analyzer to Position 0 and pull out the power plug.
2. Wait until the analyzer has cooled down sufficiently.
3. Remove the furnace cleaning system, see “Replacing the furnace cleaning brush and
thermal shield”.
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