2009 by ELTRA GmbH Germany – July 2009 – Service Manual Thermostep
Page 59
Fig. 3.16.7: Loosing the front positioning supports of upper heating element
n.)
Unfasten s/s strap around the upper heating element.
Fig. 3.16.8: FS – Unfasten s/s strap
o.)
Lift out upper furnace assembly.
When a new upper furnace is to be installed it must first have the ceramic purge gas tubes
fitted and cemented in place. The ceramic tubes should not protrude more than 20mm
inside the furnace wall. Once in position they should be fixed each side of the furnace
with ceramic cement.