
7.2
Cutting Action and Knife Components
Symptom
Problem
Solution
Section
Knife hold-downs not
adjusted properly
Adjust hold-downs
Checking Knife
Hold-Downs, page 354
Knife sections or guards
are worn or broken
Replace all worn and
broken cutting parts
Knife is not operating at
recommended speed
Check engine speed
of combine
Refer to the combine
operator’s manual
Ground speed too fast for
reel speed
Reduce ground speed or
increase reel speed
•
•
Reel
fi
ngers not lifting crop
properly ahead of knife
Adjust reel
position/
fi
nger pitch
•
•
3.7.11 Reel Tine Pitch,
page 89
Cutterbar too high
Lower cutting height
Header angle too
fl
at
Steepen header angle
Bent knife causing binding
of cutting parts
Straighten bent knife and
align guards
Cutting edge of guards not
close enough or parallel to
knife sections
Align guards
Tangled/tough-to-cut crop
Install stub guards
• See
your
MacDon
Dealer
•
•
Reel too far back
Move reel forward
3.7.10 Reel Fore-Aft
Position, page 82
Ragged or uneven
cutting of crop
Loose knife drive belt
Adjust drive belt tension
Tensioning Knife Drive
Belts, page 369
147831
455
Revision A
Summary of Contents for FlexDraper FD1 Series
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