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Excessive noise and vibration
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Mower-conditioner incorrectly attached to tractor.
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Attach mower-conditioner correctly (see "Attaching and Detaching" Section).
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Roll conditioner; Rolls too close.
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Adjust roll spacing (see "Adjusting Roll Spacing" in "Operating the Mower-Conditioner" Section).
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Excessive build-up on rolls.
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Clean rolls.
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Loose hardware.
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Check tightness of hardware.
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Impeller conditioner; Impeller tines missing or broken.
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Replace missing or broken tines.
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Operating tongue in transport position
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Optional driveline with CV at platform gearbox must be used if machine is operated in transport.
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Tractor driveline not running level.
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Adjust hitch height to level driveline. (See "Adjusting Equal Angle Hitch in "Preparing the Mower-Conditioner" Section).
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Damaged leaves and broken stems
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Roll conditioner; Roll pressure too high.
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Adjust roll pressure (see "Adjusting roll pressure" in "Operating the Mower-Conditioner" Section).
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Roll conditioner; Rolls too close.
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Adjust roll spacing. (See "Adjusting roll spacing" in "Operating the Mower-Conditioner" Section)
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Impeller conditioner; Excessive impeller rotor speed.
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Reduce rotor speed (see "Changing Impeller Rotor Speed" in "Operating the Mower-Conditioner" Section).
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Impeller conditioner; Conditioning hood too close to rotor.
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Reposition conditioning hood (see "Adjusting Conditioning Intensity" in "Operating the Mower-Conditioner" Section).
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| Symptom |
Problem |
Solution |
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Rolls plugging (Roll conditioner)
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Foreign objects between rolls.
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Disengage tractor PTO and stop engine. When all moving parts have completely stopped, remove foreign objects.
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Roll pressure too high.
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Adjust roll pressure (see "Adjusting roll pressure" in "Operating the Mower-Conditioner" Section).
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Roll conditioner; Rolls too close.
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Adjust roll spacing. (See "Adjusting roll spacing" in "Operating the Mower-Conditioner" Section)
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Cutting height too low.
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Raise cutterbar.
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Operating in very heavy crop.
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Reduce ground speed or cut less than full width of cutterbar.
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Incorrect PTO speed.
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Correct PTO speed.
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Operating in very long crop.
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Increase roll spacing (see "Adjusting Roll Spacing" in "Operating the Mower-Conditioner" Section).
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Cutterbar plugging
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Wet ground conditions causing plugging.
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Increase cutting height by reducing platform angle (see "Adjusting Cutting Height" in "Operating the Mower-Conditioner" Section).
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Adjust side gauge shoes (see "Adjusting Cutting Height" in "Operating the Mower-Conditioner" Section).
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Adjust float springs (see "Adjusting Platform Float" in "Operating the Mower-Conditioner" Section).
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Impeller conditioner hood set too low
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Raise conditioner hood
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Bent or broken knives.
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Replace knives (see "Removing Knives" and "Installing Knives" in "Service" Section).
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| Symptom |
Problem |
Solution |
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Ragged cut
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Incorrect platform float spring adjustment (header too light).
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Adjust float springs (see "Adjusting Platform Float" in "Operating the Mower-Conditioner" Section).
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Incorrect cutterbar angle.
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Change cutterbar angle (tilt down) (see "Adjusting Cutting Height" in "Operating the Mower-Conditioner" Section).
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Slow impeller rotor speed.
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Increase rotor speed (see "Changing Impeller Rotor Speed" in "Operating the Mower-Conditioner" Section).
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Dull knives.
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Reverse or replace knives (see "Removing Knives" and "Installing Knives" in "Service" Section).
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Knives incorrectly installed.
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Install knives correctly (see "Installing Knives" in "Service" Section).
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Excessive ground speed.
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Reduce ground speed.
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Incorrect cutting height.
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Adjust side gauge shoes (see "Adjusting Cutting Height" in "Operating the Mower-Conditioner" Section).
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Change cutterbar angle (see "Adjusting Cutting Height" in "Operating the Mower-Conditioner" Section).
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Down or lodged crop.
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Tilt cutterbar down (see "Adjusting Cutting Height" in "Operating the Mower-Conditioner" Section).
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Disk driver hub sheared. Disk not driven at full speed.
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Replace disk driver (see procedure in "Service" Section).
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Crop accelerators damaged or worn.
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Replace accelerators (see "Replacing Crop Accelerators" in "Service" Section).
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Lower crop shield damaged.
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Repair or replace shield.
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| Symptom |
Problem |
Solution |
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Frequent breakage or bending of knives
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Cutterbar set too low.
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Raise cutterbar or adjust side gauge shoes (see "Adjusting Cutting Height" in "Operating the Mower-Conditioner" Section).
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Incorrect platform float spring adjustment (cutterbar too heavy).
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Adjust float springs (decrease weight) (see "Adjusting Platform Float" in "Operating the Mower-Conditioner" Section).
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Incorrect knife mounting.
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Check knife bolts and nuts (see "Checking Knife Bolt Wear" and "Checking Knife Lock Nut Wear" in "Service" Section).
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Check knives. Make sure knives rotate freely on bolts (see "Checking Knife Wear" and "Installing Knives" in "Service" Section).
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Poorly formed or bunchy windrows
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Incorrect PTO speed.
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Correct PTO speed.
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Ground speed too slow.
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Increase ground speed.
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Crop accelerators damaged or worn.
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Replace accelerators (see "Replacing Crop Accelerators" in "Service" Section).
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Slow impeller rotor speed.
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Increase rotor speed (see "Changing Impeller Rotor Speed" in "Operating the Mower-Conditioner" Section).
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Conditioning hood too far away from rotor.
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Reposition conditioning hood (see "Adjusting Conditioning Intensity" in "Operating the Mower-Conditioner" Section).
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| Symptom |
Problem |
Solution |
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Strips of uncut material left on field
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Broken or excessively worn knives.
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Replace knives (see "Removing Knives" and "Installing Knives" in "Service" Section).
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Mud and/or foreign objects on cutterbar.
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Disengage tractor PTO and stop engine. When all moving parts have completely stopped, remove mud and/or foreign objects.
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Incorrect platform float spring adjustment.
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Adjust float springs (see "Adjusting Platform Float" in "Operating the Mower-Conditioner" Section).
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Strips of uncut material passing between disks.
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Improper platform weight (see "Adjusting Platform Float" in "Operating the Mower-Conditioner" Section).
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Turn or replace knives before end is worn to halfway point (see "Removing Knives" and "Installing Knives" in "Service" Section).
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Check knife wear (see "Checking Knife Wear" in "Service" Section).
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Disk driver hub sheared. Disk not driven at full speed.
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Replace disk driver (see procedure in "Service" Section).
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Crop accelerators damaged or worn.
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Replace accelerators (see "Replacing Crop Accelerators" in "Service" Section).
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V-Belt breakage
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Incorrect belt tension.
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Replace belt and adjust belt tension (see "Replacing Main Drive Belt", "Adjusting Main Drive Belt Tension", "Replacing Impeller Drive Belt" and "Adjusting Impeller Drive Belt Tension" in "Service" Section).
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| Symptom |
Problem |
Solution |
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Crop wrapping on impeller
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Impeller running too slow.
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Operate impeller in high speed (see "Changing Impeller Rotor Speed" in "Operating the Mower-Conditioner" Section).
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Operate tractor at PTO speed
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Ground speed too slow.
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Increase ground speed.
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Machine will not raise off left-hand side lock channel.
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Right-hand lift cylinder fully extended (not on lock channel) but left-hand side cylinder not moving.
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Rephase cylinders (see "Bleeding Platform Lift Circuit" in "Service" Section).
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Tongue swing too slow
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Tractor outlet not on full flow
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Adjust flow control on tractor outlet until tongue swings from one side to the other in 3-4 seconds
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Header drop-time too slow
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Incorrect tractor outlet for single-acting cylinder system.
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Check tractor operator's manual - use correct outlet (see "Connecting Mower-Conditioner to Tractor Hydraulic System" in "Attaching and Detaching" Section).
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Excessive back pressure at tractor outlet.
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Adjust flow control on tractor outlet to get 1 to 2 second drop-time.
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