Cutting Action And Knife Components - MacDon FlexDraper FD1 Series Operator's Manual

7.2 Cutting Action and Knife Components

Problem
Symptom: Ragged or uneven cutting of crop
Knife hold-downs not adjusted
properly
Knife sections or guards are worn or
broken
Knife is not operating at
recommended speed
Ground speed too fast for reel speed
Reel fingers not lifting crop properly
ahead of knife
Cutterbar too high
Header angle too flat
Bent knife causing binding of cutting
parts
Cutting edge of guards not close
enough or parallel to knife sections
Tangled/tough-to-cut crop
Reel too far back
Loose knife drive belt
214683
TROUBLESHOOTING
Solution
Adjust hold-downs
Replace all worn and broken cutting
parts
Check engine speed of combine
Reduce ground speed or increase
reel speed
Adjust reel position/finger pitch
Lower cutting height
Steepen header angle
Straighten bent knife and align
guards
Align guards
Install stub guards
Move reel forward
Adjust drive belt tension
564
Refer to
•
Adjusting Hold-Downs with
Pointed Guards, page 448
•
Adjusting Hold-Downs with
Stub Guards, page 451
5.8 Knife, page 437
Refer to the combine operator's
manual
•
3.7.6 Reel Speed, page 89
•
3.7.7 Ground Speed, page 90
•
3.7.11 Reel Fore-Aft Position,
page 99
•
3.7.12 Reel Tine Pitch, page 111
3.7.1 Cutting off the Ground, page
58 or 3.7.2 Cutting on the Ground,
page 62
3.7.5 Header Angle, page 81
5.8.7 Knife Guards, page 441
5.8.7 Knife Guards, page 441
•
See your MacDon Dealer
•
Adjusting Hold-Downs with
Pointed Guards, page 448
Adjusting Hold-Downs with Stub
Guards, page 451
•
6.3.5 Stub Guard Conversion
Kit, page 550
3.7.11 Reel Fore-Aft Position, page
99
Checking and Tensioning Knife
Drive Belts, page 464
or
Revision A