MAINTENANCE
Yearly Maintenance:
Switch furnace off
Make sure all voltages are off
Check all wiring for loose connections of the power cables and all strips.
Check the amount of water flowing through the heat exchanger.
Remove spike TC’s. Remove quartz tubes, tube adaptor, etc.
Clean inside of heating element with vacuum cleaner. Clean lower electrical
compartments with vacuum cleaner.
Check all wires on terminal strips on tightness.
Tighten all powercables with a wrench.
Tighten more than hand tight on elements powerpacks and transformers.
Check TC’s on performance
Check welding of TC tip with magnifier glass (should be shiny not dull).
After reassembling of all parts calibrate DTC according technical manual
page 25 a/o. (chapter 4).
Reprofile furnace according stored profile recipes.
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FURNACE REFERENCE MANUAL
5-8
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