ProSeal 25 Service Manual page 16

4. Loosen the screw, which attaches the heater wire to the Solid State Relay. See figure 17.
fig. 17
5. Remove the heater bracket on the right hand side of the machine (see figure 18), and slide the
heater wire out of the slot, that's in the heater bracket.
Now, the heating element can be taken out of the roller.
Note:
When a heating element has to be installed into the roller, the quartz tube has to be cleaned first.
Proceed as follows:
Insert the heating element, with the end having the shortest wire, into the roller core. Make sure,
that the wire is bent straight, to smoothen the insertion.
Whilst inserting, clean the quartz tube with a lint-free cloth, lightly dampened with IPA (Isopropanol).
Do not touch the quartz tube with your fingers!
This is important, because fingerprints will burn when the heater is on, and can possibly damage the
quartz tube.
See figure 19.
Always be very careful
when using IPA! IPA is
very flammable!
The flash point of IPA is
11°C (51.8°F). The self-
ignition temperature is
400°C (752°F).
Once the element is placed in the roller,
reassemble all parts in the reverse order.
Note:
Do not forget to attach two new tie-wraps, and
mount them exactly as the two that were
removed previously.
Disassembly / Reassembly Procedures
fig. 18
fig. 19
4-5 February 2000