2009 by ELTRA GmbH Germany – July 2009 – Service Manual Thermostep
Page 55
should be exactly between position 1 and position 20 on the carousel. Check and
align as required.
l.)
Insert the ceramic balance pedestal tube, align on the balance spigot and gently
push down to locate securely. Rotate to align centrally. Place pedestal on the
ceramic tube and check for even clearance all around.
m.)
Adjust software steps to align carousel so that position 1 is directly over the
balance pedestal.
General Information
Thermostep Furnace Information
Each element in the heater of the Thermostep (two in the upper furnace and one in the lower
furnace) has an impedance of 39 ohms.
All the three elements (two in the upper furnace, one in the lower furnace) are connected in
parallel which gives a total impedance of 13 ohms.
The maximum current draw for the heaters is 17 amps.
The maximum power is 4080 watts.
3.16 Removal of upper heating element
Unplug instrument from electrical supply and disconnect the compressed air supply
Required tools:
2 mm Allen Key
2.5 mm Allen Key
3 mm Allen Key
4 mm Allen Key
5 mm Allen Key
13 mm Socket and Wrench
a.)
Remove upper LHS & RHS panels by unscrewing the plastic coated Phillips screws.
These should only be finger tight.
b.)
Remove LHS & RHS aluminum insulation panels (4 x 3mm allen screws in each
panel – see Fig. 3.9.4 – Page 49).
c.)
Lift out the plastic buttons from the 4 x 4mm csk allen screws in the top cover of the
lid. Remove 4 x 4mm csk allen screws and lift off top cover (see Fig. 3.9.1 – Page 47).
d.)
At the rear back corner of the lid remove the 4 x 3mm x 30mm allen screws, nuts and
washers.
