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Shattering of Grain Ahead of Cutterbar
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Reel speed not matched to ground speed, causing crop to be overly disturbed before it is cut.
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Adjust reel speed to match with ground speed so reel moves crop evenly. Reel should turn slightly faster than ground speed.
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Reel is positioned too low.
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Raise reel.
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Ground speed is too fast for the conditions of the crop.
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Slow down ground speed so that reel will not hit crop, causing it to shatter.
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Cut Crop Building Up and Falling from Front of Cutterbar or Loss of Grain Heads at Cutterbar
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Reel not adjusted low enough for good delivery of cut crop to the belts.
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Set reel low enough to sweep material from the cutterbar.
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Reel too far forward.
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Move reel closer to cutterbar.
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Cutterbar belt angle to steep.
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Use tilt adjuster at the center of the platform to adjust angle of cutterbar.
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Ragged and Uneven Cutting of Crop
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Feeder house lower shaft not at the recommended speed.
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Check basic speed of the combine. (see Operator's Manual)
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Knife dull.
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Replace knife.
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Cutterbar plugged with material.
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Adjust reel to sweep material off cutterbar.
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Knife sections damaged.
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Replace damaged sections.
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Integral knife hold-downs adjusted loose.
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Readjust hold-downs to the recommended clearance.
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Too Much Material Entering Combine
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Cutting too low, trying to get all down and tangled crops.
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Cut higher, use pickup reel in down or tangled crops.
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Excessive Vibration of Cutting Parts
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Feeder house lower shaft not at recommended speed.
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Check basic speed of combine. (see Operator's Manual)
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Variable speed feeder house is too fast.
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Slow variable speed feeder house.
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| Symptom |
Problem |
Solution |
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Excessive Knife Drive Belt Vibration
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Knife head to knife drive connection loose.
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Inspect connector, replace spacer ring, reset alignment and tighten properly. (see Service section).
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Heavy knife loads.
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Inspect knife sections and guards for worn cutting edges. Replace as needed.
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Reel Wrapping in Tangled and Weedy Conditions
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Slat reel not delivering crop.
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Install a pickup reel.
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Incorrect reel location.
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Adjust reel forward and down.
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Reel speed too fast.
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Slow reel until crop flows smoothly onto belts.
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Reel Carrying Around Straw
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Reel speed too fast.
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Slow reel speed. Reel should turn slightly faster than ground speed.
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Reel height too low.
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Raise reel to reduce the amount of straw gathered by the reel.
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Pickup fingers pitched too much.
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Reduce finger pitch.
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Uneven or Bunched Feeding of Crop to Feeder House
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Incorrect feed drum finger timing.
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Adjust finger timing.
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Incorrect feed drum height.
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Adjust drum height.
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Feeder house conveyor chain too slow.
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Change to large sprocket on right-hand side of lower feeder house drive shaft.
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Feeder house conveyor chain too loose.
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Adjust tension (see Combine Operators Manual).
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Feeder house drum lower stops set too high.
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Adjust lower stops. (see Combine Operators Manual) Remove optional feeder house closure strips.
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Feeder house drive chain too loose
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Adjust tension (see Combine Operators Manual)
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| Symptom |
Problem |
Solution |
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Crop Material Back-feeding at Feed Drum
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Wrong finger timing.
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Adjust finger timing.
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Draper feed drum wrong height.
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Adjust drum height.
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Feeder house conveyor chain too slow.
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Change to large sprocket on right-hand side of lower feeder house drive shaft.
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Combine not removing material from platform.
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Lower feeder house front drum (see Combine Operators Manual).
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Set drag chain to high speed (see Combine Operators Manual).
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Properly tension drag chain and drive chain (see Combine Operators Manual).
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Set combine feed accelerator to high speed (see Combine Operators Manual).
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Crop Material Pulled Underneath Side Belts from Center Belt Area
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Cutterbar Angle set too shallow moving side belts too close to center belt.
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Increase cutterbar and side delivery belt angle to move side belts away from center belt area.
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Belt speed too slow allowing buildup on sides of the center belt.
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Increase belt speed.
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Side belts too close to center belt.
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Increase vertical top beam spacing by shortening vertical top beam height screws (see Adjustments - Suspension and Leveling section).
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| Symptom |
Problem |
Solution |
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Crop Material Pulled Underneath Center Belt
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Feed drum finger pitch incorrect.
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Advance feed drum timing casting.
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Fingers too far away from belt and floor area.
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Lower drum (see Adjustments - Feeding Related section)
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Excessive crop material at side of center belt.
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Reposition side belts and increase side belt speed (see Adjustments - Feeding Related section).
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Insufficient drop from side belts to center belt.
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Increase clearance between side belt and center belt by increasing tilt of platform and/or shortening vertical top beam height screws (see Adjustments - Suspension and Leveling section).
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Crop material under center draper building up at sump pan.
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Remove sump pan.
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Center belt slipping.
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Increase belt tension.
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Belt splice joint too high.
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Trim off excessive material.
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Friction of crop on feed floor surface is too high.
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Remove paint or rust underneath feed drum to provide a smooth surface for crop flow.
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Combine not removing material from platform.
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Lower feeder house front drum (see Combine Operators Manual).
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Set drag chain to high speed (see Combine Operators Manual).
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Properly tension drag chain and drive chain (see Combine Operators Manual).
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Set combine feed accelerator to high speed (see Combine Operators Manual).
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