MacDon D65 Operator's Manual page 260

Symptom
Knife plugging
169899
TROUBLESHOOTING
Problem
Reel too high or too far
forward.
Ground speed too slow.
Loose knife drive belt.
Improper knife hold-down
adjustment.
Dull or broken knife
sections.
Bent or broken guards.
Reel fingers not lifting crop
properly ahead of knife.
Steel pick-up fingers
contacting knife.
Float too heavy.
Mud or dirt build-up on
cutterbar.
Knife is not operating at
recommended speed.
Solution
Lower reel or move reel
rearward.
Increase ground speed.
Adjust drive belt tension.
Adjust hold-down.
Replace knife section.
Align or replace guards.
Adjust reel position / finger
pitch.
Increase reel clearance to
cutterbar, or adjust frown.
Adjust springs for lighter
float.
Raise cutterbar by lowering
skid shoes.
Install cut-out sections.
Flatten header angle.
Check engine speed of
windrower.
248
Section
4.7.8 Reel Height, page 58
4.7.9 Reel Fore-Aft
Position, page 58
4.7.5 Ground Speed, page
57
Tensioning Non-Timed
Knife Drive Belts, page 163
or Tensioning Timed Knife
Drive Belts, page 168
Checking Knife
Hold-Downs, page 149
6.5.1 Replacing Knife
Section, page 140
6.5.7 Knife Guards, page
144
4.7.9 Reel Fore-Aft
Position, page 58
4.7.10 Reel Tine Pitch,
page 65
6.8.1 Reel Clearance to
Cutterbar, page 200
6.8.2 Reel Frown, page
203
4.7.2 Header Float, page
55
Cutting On the Ground,
page 53
See your MacDon Dealer
Controlling Header Angle,
page 56
Refer to your windrower's
operator's manual
Revision A