Instruction manual

OPERATING_MANUAL_MC20V.DOC 18.03.11 KS Seite 36
Bubbles - Complete Spheres
Cause Remedy
Investment too thick. Too little water. Use correct powder / water ratio.
Vacuum pump/ tank faulty. Ensure equipment is regularly serviced
and adequate for the task.
Work cycle too long. Investment
beginning to set while still under vacuum.
Ensuring the work cycle is not too long
and slurry temperature is 20 - 22ºC.
Bubbles-Incomplete Spheres
Cause Remedy
Static electricity on waxes.
Use a wax wash. NOTE: THE WAX MUST
Grease or dirt on waxes.
BE COMPLETELY DRY BEFORE
INVESTING.