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Pack201 | Maintenance | Section 6
6.4.6 Finwheels - Set Gap
The finwheels must grip the film firmly
enough to pull it through the wrapper, but
not so tightly that they cut through the
film. If there is a change in the thickness
of the film being run, the finwheel gaps
may be have to be adjusted.
1. Remove the maintenance door over the
finwheel adjustment knobs.
2. Set the finwheels temperature
controller to ambient.
3. Place a double layer of sealing material
between the finwheels.
4. Push the start button and close the
cold finwheels.
5. Starting with the first finwheel,
gradually turn the knob until the
finwheel gap is too small to prevent
the two layers of film from being pulled
through. Adjust the gap between each
set of finwheels by turning the knob
(1):
•
clockwise to reduce the gap
•
counterclockwise to increase the
gap
6. Repeat with the third finwheel.
7. Open the middle (hot) finwheels and
bring them to operating temperature.
8. Run film through the wrapper; gradually
close the hot finwheels until a good
seal is obtained.
9. Replace the maintenance door.
© Bosch Packaging Technology, Inc.
All rights reserved 2012
1
The first finwheel can be canted slightly to
provide a tighter or looser package.
•
To tighten the package, turn the knob (2)
to move the pointer toward the infeed.
•
To loosen the package, turn the knob
to move the pointer toward the cutting
head.
EN | 14
2
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