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Adjustment Procedures
30
5-3 Temperature
Necessary tools: Infrared temperature meter, small flat-head screwdriver.
Approximate time: 30 - 45 minutes.
1. Set the roller nip to 10mm (3/8’’).
2. Set the top roller temperature to the 120°C setting on the control panel; the roller is being heated
up.
3. After approx. 5 minutes, turn the top roller
roughly a quarter of a turn, and repeat this
every 2 minutes, until the green LED, next to
the 120°C setting, is steady.
4. Measure the temperature on top of the roller,
close to the middle of the machine. See figure
32, white arrow.
Turn the top roller by hand until you see a
more or less constant value in the read-out of
the temperature meter.
The temperature should be 135°C +/- 4° C
(275°F +/- 7°F).
5. To change the temperature setting, insert the
screwdriver into the small hole situated in the rear panel. Carefully turn the screwdriver until you
feel that it snaps into the slot in the potentiometer.
See the arrow in figure 33.
6. Rotating clockwise increases the temperature,
counter clockwise rotation will decrease the
temperature.
A five-degree turn of the trimpot will change
the temperature by approximately 10°C
(18°F).
7. After the adjustment, allow the roller to change
its temperature for some 15 minutes, and
repeat the sequence at point 4.
fig. 33
fig. 32