26 Maintenance
Replacing the Seal Band, Teflon Tape, or Seal Pads
The seal band, Teflon tape, silicone pads, and ceramic beads wear through normal use,
and occasionally it will be necessary to replace them.
Making a good seal depends on three factors:
1. Heat: the temperature of the seal band when energized.
2. Time: how long the seal band is energized.
3. Pressure: how much pressure is applied between the upper and lower seal pad.
If after verifying the factors that affect heat and cycle timing (Aligning the Seal Head
Limit Switch and Actuator and Seal Time, Take Away Time, and Energizing Seal Band
Time settings), and the following symptoms are observed:
Gaps in the seal
Weak Seals
Improper film cutoff
Excessive sealing pressure required to make the seal
The seal band, Teflon tape, and silicone pad or ceramic bead should be inspected and
replaced as necessary.
Silicone Pad, and
Teflon Tape
Front Spring
Compensator
(Under Red
Cover)
Rear Spring
Compensator
(Under Red
Cover)
Ceramic Corner Radius
Seal Band Guide
Seal Band, Ceramic
Bead, and Teflon Tape
Содержание L-Bar Sealer Tunnel Combo Unit Value Series
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