HayssenSandiacre Ultima SV 12-19HR Instruction Manual page 328

Machine Overview
Problem
Back seal is too narrow
End Seal System
PROBLEM
Weak end seal
End seal burned on resis-
tance seal
1 5 - 6 / R e v 1 5
Cause
Insufficient lap
Film is too narrow
Older Machines:
Pull belts are running too long
Newer Machines:
Pull belt overpull is too high
PROBABLE CAUSE
Dirty jaws
Incorrect temperatures
Bag eject set incorrectly
Timing is incorrect
Improper jaw speed, linkage and
pressure setup
Old or improper film
Improper cooling
Jaws are closed too long
Temperature is too high
Uneven jaw pressure
H A Y S S E
Corrective Action
Check the width of the film and the diame-
ter of the tube.
Replace with roll of proper width film.
Adjust the pull belt overpull setting until
looping occurs, then increase approxi-
mately 5%.
Refer to the Pull Belt chapter and the Rec-
ipe Setup chapter in this manual for timing.
CORRECTIVE ACTION
Be sure all power to machine is off, includ-
ing the temperature controllers. Clean the
jaws with a brass brush.
Adjust the end seal and back seal tempera-
tures to the lowest temps that produce
strong seals.
Check for low voltage.
Set bag eject so it properly supports filled
bag.
Correct as required.
Adjust the settings.
Discard film.
Adjust cooling.
Decrease jaw close dwell time.
Decrease sealing temperature.
Re-adjust jaw pressure.
Check film specifications.
NSA N D I AC R E ®
U l t i m a S V