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Orion Machine Manual
Revision 3.1 Sentry HP/ LP Flex Stretchwrapper
21 May 2020 Maintenance
Page 5-5
Cleaning The Stretch Rollers
The film carriage requires the most attention when cleaning. The film carriage requires
regular cleaning even if there are no product spills into the carriage area. Absolutely DO
NOT use wash down methods on the film carriage.
• As the film goes though the rollers, a static charge develops from the film and pulls air
borne dust and contaminants into the rollers. The glue that is impregnated to the film,
called Tackifier, traps these contaminants to the rollers. Finally, the aluminum pres-
sure rollers on the threading gate press the debris into the rollers causing the rubber
rollers to glaze.
• If the rollers become glazed, the film may slip, causing film shear, thus causing film
payout to be inconsistent or cause the film to tear regularly. This is completely normal
under continued use and occurs on every stretch wrapper made-no matter who the
manufacturer is.
• The rubber rollers are recommended to be cleaned at every 2000 hours of running. Do
not clean the rollers more than once a month unless special circumstances demand.
This can cause the rollers to dry out. The cleaning requires only a stiff nylon bristle
brush, rubbing alcohol (only)*, and compressed air. The procedure is as follows.
CAUTION
This procedure should only be performed by qualified service personnel.
1. Raise carriage to chest height.
2. Disconnect power from the machine.
3. Remove the film from the carriage.
4. Open the threading gate.
5. With the brush wet with rubbing alcohol, lightly scrub both rubber rollers while rotat-
ing them. The goal is to just get any debris out of the rollers.
Note:
Rubbing alcohol is recommended because it is light enough to pen-
etrate the rubber and it evaporates quickly.
6. After the entire rollers' surface has been cleaned, apply compressed air to the rollers to
dry quickly.
7. Re-apply power.
8. Re-load film as discussed earlier.