Ku nst sto ffschwei ß tec hni k
Operating and indicating elements Chapter 4
02.11.11 Working instructions WIDOS 4900 Page 17 of 46
4.2. Elements at the heating element
No. Denomination Function
16 Control lamp green - There are three different states:
•
off: signalizes that the heating element is not
heated up at the moment or that it cools down
•
blinking: the heating element temperature is
maintained by a certain pulse-position ratio
• on: signalizes that the heating element is heated
up at the moment. It has not yet reached the
desired temperature
17 Setting screw - For regulating the temperature of the heating
element
18 On/off-switch with red lamp - As soon as the heating element is switched on,
the red control lamp lightens
4.3. Separating device for heating element
There is a tear-off bar mounted between the
movable and the fixed clamping shells on the basic
machine. It prevents the heating element from
sticking to the heated-up pipe ends.
When inserting the heating element take care that it
lies in the zone of the throat of the tear-off bar (see
arrow).
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