Maintenance
70
10.2 Maintenance the HTFr
CAUTION
C33.0000
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.
10.2.1
Overview of maintenance work for the HTFr
The following service instructions refer to the analysis of dried coal and coke using the HTFr
with 15 to 20 samples per day. Depending on the application, the maintenance cycle may need
to be intensified to maintain the precision of analysis results.
The following table lists the maintenance work to be carried out. The maintenance work must
be conducted regularly at the specified maintenance intervals or upon reaching the number of
possible analyses:
Component
No. of
analyses
Maintenance
interval
Service
instructions
See chapter
Anhydrone (magnesium
perchlorate) trap
150
Monthly
Dispose of glass
wool and
magnesium
perchlorate, clean
glass and filling new
chemicals
Replace the dust filter
cartridge
500
Quarterly
Replace
Replace the combustion
tube
15000
Yearly
Replace
Check or replace the O-
rings on the combustion
tube, anhydrone
15000
Yearly
Replace
