Adjust reel speed to match with ground speed so reel moves crop evenly. Reel should turn slightly faster than ground speed.

Reel is positioned too low.

Raise reel.

Ground speed too fast for conditions of crop.

Slow down ground speed so reel does not hit crop, causing it to shatter.

Set reel low enough to sweep material from cutterbar.

Reel too far forward.

Move reel closer to cutterbar.

Cutterbar belt angle to steep.

Use tilt adjuster at center of platform to adjust angle of cutterbar.

Check basic speed of combine (see combine Operator's Manual).

Knife dull.

Replace knife.

Cutterbar plugged with material.

Adjust reel to sweep material off cutterbar.

Knife sections damaged.

Replace damaged sections.

Integral knife hold-downs adjusted loose.

Adjust hold-downs to recommended clearance.

Cut higher, use pickup reel in down or tangled crops.

Check basic speed of combine (see combine Operator's Manual).

Variable speed feeder house is too fast.

Slow variable speed feeder house (see combine Operator's Manual).

Dual knives not timed properly.

Adjust knife timing (see Service section).

Inspect connector, replace spacer ring, reset alignment and tighten properly (see Service section).

Heavy knife loads.

Inspect knife sections and guards for worn cutting edges. Replace as needed.

Adjust reel forward and down.

Reel speed too fast.

Slow reel until crop flows smoothly onto belts.

Reel fingers not able to eject material properly.

Install optional Reel Flip-Over Kit (see your John Deere dealer).

Slow reel speed. Reel should turn slightly faster than ground speed.

Reel height too low.

Raise reel height to reduce amount of straw gathered by reel.

Pickup fingers pitched too much.

Reduce finger pitch.

Change to large sprocket on right-hand side of lower feeder house drive shaft.

Feeder house conveyor chain too loose.

Adjust tension (see combine Operator's Manual).

Feeder house drum lower stops set too high.

Adjust lower stops (see combine Operator's Manual). Remove optional feeder house closure strips.

Feeder house drive chain too loose.

Adjust tension (see combine Operator's Manual).

Change to large sprocket on right-hand side of lower feeder house drive shaft.

Combine not removing material from platform.

Lower feeder house front drum (see combine Operator's Manual).

Set drag chain to high speed (see combine Operator's Manual).

Properly tension drag chain and drive chain (see combine Operator's Manual).

Set combine feed accelerator to high speed (see combine Operator's Manual).

Crop material wraps in the feed drum

Remove outside feed drum fingers (see Adjustments—Feeding Related section).

Increase belt speed.

Belt speed too fast forcing crop material across center belt and pulled under platform by opposite side belt.

Decrease belt speed.

Advance feed drum timing casting.

Center belt slipping.

Increase belt tension.

Belt splice joint too high.

Trim off excess belt material.

Combine not removing material from platform.

Lower feeder house front drum (see combine Operator's Manual).

Set drag chain to high speed (see combine Operator's Manual).

Properly tension drag chain and drive chain (see combine Operator's Manual).

Set combine feed accelerator to high speed (see combine Operator's Manual).

Replace knife sections.

Dull knife guard edges.

Replace knife guards.

Excess binding between top of knife sections and top of guard slots.

Inspect for bent guards, bent cutterbar, or improper position of guards.

Binding is present at first and second knife guard slot.

See Service section for adjustments.

Incorrect setting of knife drive head.

See Service section for adjustments.

Incorrect setting of knife hold downs.

See Service section for adjustments.

Crop build up at end shields.

Open and clean out end shields.

See your John Deere dealer.

Rephase cylinders (see Adjustments—Reel section).

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