McHale W2020 - Dispenser Rotation or Safety Errors; Plastic Stretching Issues; Film Cutting Problems; Cut & Hold Not Holding Film

McHale W2020 Round Bale Wrapper
73
12.1.3 Dispenser rotation or ‘Dispenser Safety’ displayed
12.1.4 Plastic is not stretching properly
12.1.5 Film is not being cut properly in the cut & hold
12.1.6 Cut & hold does not hold plastic film
Symptom Reason Solution
Dispensers do not rotate
or
‘Dispenser Safety’ is
displayed
No hydraulic oil flow/
return. (Check tractor
manual for hydraulic
connections on tractor)
Turn on oil. Ensure that
‘tank return’ line is
connected ‘to tank’ and
check both quick-release
couplings.
Power supply fault (poor
battery or charging
system)
Check all electrical
connections and ensure a
13 V power supply is
available.
Leading dispenser safety
arm is activated as trip
arm catch is still in place.
(Arm is pressing against
aluminium box section).
Reposition safety arm(s)
into the working position
and press the ‘Resume’
button on the control box.
Symptom Reason Solution
Plastic is not stretching
properly
Build up of tack/glue on
dispenser rollers
Clean off with kerosene
Symptom Reason Solution
Film is not being cut
properly in the cut & hold
Blade has gone blunt Carefully replace blade
Symptom Reason Solution
Cut & hold does not hold
plastic film
Blade cutting film before it
is gripped
Carefully lower knife
position. Adjust magnet
position. (See ‘Releasing
cut and hold oil pressure’)