Chapter 6: Troubleshooting; Header Performance - MacDon A40D Operator's Manual

Chapter 6: Troubleshooting

A troubleshooting table is provided to help you diagnose and correct any problems you may encounter while operating
your machine.

6.1 Header Performance

A troubleshooting table is provided to help you diagnose and correct any problems you may encounter regarding the
header performance.
Problem
Symptom: Carryover of crop on the reel
Reel speed too fast
Symptom: Material build-up on the header frame
Auger speed too fast
Very light crop
Symptom: Insufficient conditioning of the stems
Roll gap too large
Symptom: Leaves damaged, crushed or stripped off the stems
Reel speed too fast
Roll gap too small
Rolls improperly timed
Symptom: Slow crop drying
Rolls not crimping crop sufficiently
Crop is spread too narrow
Crop is bunched in windrow
Symptom: Excessive drying or bleaching of the crop
Excessive crimping
Crop is spread too wide in windrow
Symptom: Leaving small strip of flattened, uncut material
Crowding of the uncut material
Reel position incorrect
Knife sections or guards are worn or
broken
Symptom: Long stubble in the down crop
262334
Solution
Reduce the reel speed (sprocket size).
Reduce the auger speed (sprocket size).
Reduce the windrower rpm.
Decrease the roll gap.
Reduce the reel speed.
Increase the roll gap.
Adjust the roll timing.
Decrease the roll gap.
Adjust the forming shields for
wider swath.
Adjust the forming shields/baffle.
Increase the roll gap.
Adjust the forming shields.
Steer the windrower slightly away from
uncut crop.
Move the reel forward and down.
Replace worn or broken parts.
227
Section
3.8.3 Adjusting Reel Speed, page
79
3.8.2 Adjusting Auger Speed,
page 79
—
3.8.13 Adjusting Conditioner Roll
Gap, page 101
3.8.3 Adjusting Reel Speed, page
79
3.8.13 Adjusting Conditioner Roll
Gap, page 101
4.14.11 Checking and Adjusting
Roll Timing, page 216
3.8.13 Adjusting Conditioner Roll
Gap, page 101
3.8.15 Positioning Forming
Shields, page 103
3.8.13 Adjusting Conditioner Roll
Gap, page 101
3.8.15 Positioning Forming
Shields, page 103
—
3.8.5 Setting Reel Position, page
82
4.8.1 Replacing Knife Section,
page 143
4.8.7 Guards, page 147
Revision A