MacDon A40-D, Operator'S Manual

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Revision A
7 Troubleshooting
7.1 Header Performance
Symptom Problem Solution Section
Carryover of crop on reel Reel speed too fast
Reduce reel speed
(sprocket size).
3.6.3 Adjusting Reel
Speed, page 61
Material build-up on
header frame
Auger speed too fast
Reduce auger speed
(sprocket size).
3.6.2 Adjusting
Auger Speed, page
61
Material build-up on
header frame
Very light crop Reduce windrower rpm.
—
Insufficient conditioning
of stems
Roll gap too large Decrease roll gap.
3.6.12 Adjusting
Conditioner Roll
Gap, page 76
Leaves damaged, crushed
or stripped off stems
Reel speed too fast
Reduce reel speed.
3.6.3 Adjusting Reel
Speed, page 61
Leaves damaged, crushed
or stripped off stems
Roll gap too small Increase roll gap.
3.6.12 Adjusting
Conditioner Roll
Gap, page 76
Leaves damaged, crushed
or stripped off stems
Rolls improperly timed Adjust roll timing.
4.13.11 Checking/
Adjusting Roll
Timing, page 185
Slow crop drying
Rolls not crimping crop
sufficiently
Decrease roll gap.
3.6.12 Adjusting
Conditioner Roll
Gap, page 76
Slow crop drying Crop is spread too narrow
Adjust forming shields for
wider swath.
3.6.14 Positioning
the Forming
Shields, page 79
Slow crop drying
Crop is bunched in
windrow
Adjust forming shields/baffle.
Excessive drying or
bleaching of crop
Excessive crimping Increase roll gap.
3.6.12 Adjusting
Conditioner Roll
Gap, page 76
Excessive drying or
bleaching of crop Crop is spread too wide in
windrow
Adjust forming shields.
3.6.14 Positioning
the Forming
Shields, page 79
Leaving small strip of
flattened, uncut material Crowding of the uncut
material Steer windrower slightly away
from uncut crop.
—
Leaving small strip of
flattened, uncut material
Reel position incorrect Move reel forward and down.
3.6.5 Setting Reel
Position, page 64
Leaving small strip of
flattened, uncut material Knife sections or guards
are worn or broken
Replace worn or broken parts.
4.7.1 Replacing
Knife Section, page
117
4.7.7 Guards, page
121