2cutting action and knife components, Cutting action and knife components, 2 cutting action and knife components – MacDon D65 SP DHOM User Manual
Page 259
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 149
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
windrower.
Refer to your windrower
operator’s manual
Ground speed too fast for
reel speed.
Reduce ground speed or
increase reel speed.
4.7.5 Ground Speed, page
57
4.7.4 Reel Speed, page 56
Reel fingers not lifting crop
properly ahead of knife.
Adjust reel position / finger
pitch.
4.7.9 Reel Fore-Aft
Position, page 58
4.7.10 Reel Tine Pitch,
page 65
Cutterbar too high.
Lower cutting height.
Header angle too flat.
Steepen header angle.
Controlling Header Angle,
page 56
Bent knife, causing binding
of cutting parts.
Straighten a bent knife.
Align guards.
Cutting edge of guards not
close enough, or parallel to
knife sections.
Align guards.
Tangled / tough to cut crop.
Install stub guards.
6.5.7 Knife Guards, page
144
8.2.3 Stub Guard
Conversion Kit, page
262
See your MacDon Dealer
Reel too far back.
Move reel forward.
4.7.9 Reel Fore-Aft
Position, page 58
Ragged or uneven
cutting of crop
Loose knife drive belt.
Adjust drive belt tension.
Tensioning Non-Timed
Knife Drive Belts, page 163
or
169899
247
Revision A