Technical Manual & Parts Lists
30
Side Sealing Bars
WARNING:
Wait until the heat sealing bar has cooled enough (approx. 3 hours) before servicing seal
bars or the areas near the bars. If maintenance on the machine is absolutely necessary before sealing bars
have had a chance to cool down, the person performing the maintenance must use safety equipment
approved by OSHA or local law to protect against burns.
Refer to table on page 29 for details
(A). - Welding is even and the depth of a weld's right
.
The melted plastic appears with small bubbles and a connecting line between these bubbles. The weld is
constant throughout.
(B). - Sealing bars are too deep
To set the depth of the shaft, loosen the nuts (a), (b) and
rotate the cylinder shaft clockwise from top view on both
cylinders which support the seal bars. Rotate the shaft ¼
turn at a time, and test the quality of the seal between each
setting.
(C). - Heat sealing bars Lack depth.
Adjust the height of the shaft, loosen the nuts (a), (b) and
rotate cylinder shaft counterclockwise from top view on
both cylinders which support the seal bars. Rotate the shaft
¼
turn at a time, and test the quality of the seal between each
setting.
(D). - Heat sealing bar is not parallel with the non-stick tape lengthwise.
Adjust the parallelism between the heat seal bar and nonstick ribbon by loosening the nut (a) or (b) and
rotate the corresponding cylinder rod. Rotate the shaft ¼ turn at a time, and test the quality of the seal
between each setting.
(E). - Irregularity along the sealing
1. Make sure the sheet metal clamping the plastic film is at
the correct height. The bar should be protruding to 0.050 inch
(1.3mm) below the seal bars. To do this, loosen the screws (a)
and (b) holding the pressure plate and lower it until the
measurement is correct. Atlanta Attachment has a tool to
facilitate this adjustment Part # 1390965 included in the kit of
replacement parts.
2. Verify that the sealing bar is parallel with reference to the
non-stick tape. Rest the cooled seal bar on the non-stick tape
and place a square on the table top next to seal bar and check
the distance between the top of the heat baffle (a) and the
bottom (b). You should have equal reference to the square.
Make sure that the sheet metal is on the rubber and not the
metal lip of the bottom tray. You should have equal reference
to the square. If not, go to alignment on page 31.
Note:
Upper bar should always come into contact with tape and silicone cushion. At no time should any part of
the upper seal bar contact the metal of the lower bar assembly.
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