McHale 991BE - Troubleshooting Film and Damper Issues; Plastic Film and Bale Damper Problems

McHale 991B Round Bale Wrapper
82
15.1.2 Plastic film
15.1.3 Damper
Table moving in tip
position
Drive chain loose Tighten chain
Table slow to tip down Back pressure too high Ensure free flow return is
fitted
Faulty quick release
couplings
Replace couplings
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
(Electronic machines)
Table down magnet set too
high
Reset table down magnet
Symptom Reason Solution
Damper slow or fails to
come down
Restricter 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