McHale 991 High Speed Round Bale Wrapper
76
13.1.2 Plastic film
13.1.3 Damper
13.1.4 Cut & hold
Machine tips bale but does
not reset to load
Tip sensor faulty Locate and replace
Magnet broken Locate and replace
Symptom Reason Solution
Plastic film splitting as bale
leaves table
Bale sticking to roller as it
is leaving the table
Shake chalk under belt to
reduce friction
Bale damper ram adjusted
too high
Adjust damper cylinder
Plastic not stretching Building up of tack/glue on
dispenser rollers
Clean off with kerosene
Torsion spring weak on
dispenser
Replace spring
Plastic getting caught
around the cut & hold
Table down magnet set too
high
Reset table down magnet
Symptom Reason Solution
Damper slow or fails to
come down
Restrictor tap set too tight Adjust restrictor
Damper rising during
wrapping cycle
High hydraulic back
pressure
Fit free flow return
Faulty quick release
coupling
Replace quick release
coupling
Symptom Reason Solution
Cut & hold not catching
plastic film
Positioned incorrectly Check position
Table not stopping in the
correct tip off position
Check and adjust magnets
if necessary
Cut & hold not opening Pressure low on
accumulator
Prime accumulator
Cut & hold not closing Pressure high on
accumulator
Release pressure from
accumulator
Symptom Reason Solution
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