MacDon 5020 Mower Conditioner - Manual (Page 66)

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