2009 by ELTRA GmbH Germany – July 2009 – Service Manual Thermostep
Page 34
The manifold at the LHS is build of five single valves, that serve the single components
during analysis. The valves connect following components (from frontside of instrument):
Valve 1:
internal blower
Valve 2:
cover
Valve 3:
cushioning of cover
Valve 4:
crucible caroussel
Valve 5:
lid caroussel
The valves are fixed at a metal rail and replaceable individually.
a.)
Remove the metal rail from the frame with the 4 mm allenkey.
Fig. 3.2.1: LHS – Removal of the valve block
b.)
Hinge down the valveblock carefully out of the instrument. At the backside of the
valves are the feeding gas and the power supplies mounted. Furthermore there is a
button, that can be used to switch the valve manually.
c.)
Check the functionality of the valves and the proper access of the feeding gas pipes.
Listen for sounds that indicates a gas leckage and switch the valve via the button
manually.
Fig. 3.2.2: LHS – Manual check of valve functionality
