Maintenance
75
10.2.3
Replacing the combustion tube
DANGER
D6.0000
Risk to life caused by an electric shock
Exposed power contacts
−
Contact with exposed power contacts can cause life-threatening injuries
or death.
•
Turn the main switch to Position 0 and pull out the power plug prior
to maintenance work on the analyzer.
•
Turn the main switch to Position 1 prior to maintenance work on the
HTFr machine and allow the machine to cool down sufficiently. Only
set the main switch to Position 0 and pull out the power plug once
you have allowed sufficient time for the machine to cool down.
CAUTION
C36.0000
Risk of burns
Hot machine parts
−
Parts of the machine can get very hot and cause burns during
maintenance work if the waiting time to ensure cooling is not complied
with.
•
Before maintenance work, wait until the temperature of the furnace
is < 40 °C.
•
Check the furnace temperature in the ELEMENTS software.
CAUTION
C37.0076
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.
The combustion tube must be replaced at least once a year, or:
•
If the combustion tube is damaged
•
If there are greatly fluctuating carbon or sulphur levels
•
After approx. 15000 analyses
Never operate the machine without a combustion tube.
