2009 by ELTRA GmbH Germany – July 2009 – Service Manual Thermostep
Page 31
At a.) Check if the choke at the corresponding valve (LHS; 2. valve at the valveblock) and
close it completely (see
1.14
)!
Fig. 2.7: LHS – Choke at the backside of the 2. valve (Cushioning)
At b.) Check the functionality of the valve (LHS; 2. valve at the valveblock) and replace it if
necessary (see
3.2
)!
2.11 Cover closes during cooling
If the cover opens a gap width at 650°C but don’t remains at this position the instrument tries
to bring it at the intended position again.
The reason for the closing of the cover can be:
a.)
a defective tube-connector
b.)
a defective valve
At a.) Check the feeding gas pipe and the tube-connectors ath the 2. valve at the valveblock
(LHS).
At b.) Check the funtionality of the 2. valve at the valveblock and replace it if necessary (see
3.2
).
