MacDon 5020 Operator's Manual page 68

Power tongue windrower
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SYMPTOM
Excessive heating of
hydraulic oil.
Rolls plugging.
Header stalling in
extremely tall, heavy crop
(6+ tons per acre)
Leaves damaged,
crushed or stripped off
stems.
Insufficient conditioning
of stems.
Uneven formation and
bunching of windrow.
Uneven windrow
formation in light crop.
Windrower side drift.
Auger and/or conditioner
rolls damaged by stones.
Form # 147008
TROUBLE SHOOTING
PROBLEM
Relief pressure too low.
Roll gap too large for
proper feeding.
Roll gap too small in thick
stemmed cane-type
crops.
Ground speed too fast.
Rolls improperly timed.
Feeding aids for shorter,
lighter crop impede flow
of heavy or thick
stemmed crops (cane,
sudan grass etc.).
Insufficient crop
clearance at rear of feed
pan.
Roll gap too small.
Rolls improperly timed.
Reel speed too fast.
Roll gap too large.
Rear deflector bypassing
or dragging crop.
Auger to stripper
clearance too wide.
Uneven crop flow across
auger.
Reel not feeding properly
in heavy crops.
Rear of feed pan too low.
Low tire pressure on one
side.
Header is dragging on
one end and pulling to
that side.
Feed pan doesn't allow
stones to fall through.
66
SOLUTION
Replace relief valve.
(* - See your Dealer)
Decrease roll gap.
Increase roll gap.
Slow down.
Adjust roll timing.
Remove front set of
stripper bars.
Remove rubber fingers
from auger at delivery
opening.
Increase roll gap.
Install tall crop divider.
Lower rock drop tines
Increase roll gap.
Adjust roll timing.
Reduce reel speed.
Decrease roll gap.
Adjust rear deflector for
proper crop control.
Adjust auger to stripper
bars clearance.
Remove front stripper.
Decrease ground speed.
Raise rock drop tine bar.
Check and correct tire
pressure (30 psi,
207 kPa).
Adjust header flotation.
Adjust skid plates to
prevent cutterbar
dragging.
Modify feed pan, install
fingers.
REF.
*
32
32
26
57
54
32
67
31
32
57
27
32
33
54
54
26
31
60
31
29
75
Issue 12/05

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