MacDon D65 Operator's Manual page 280

Problem
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
Mud or dirt build up on cutterbar
Mud or dirt build up on cutterbar
Knife is not operating at
recommended speed
Symptom: Excessive Header Vibration
Knife hold-downs not adjusted
properly
Knives on double-knife drive
not timed
Knife not operating at recommended
speed
Excessive knife wear
Loose or worn knifehead pin or drive
arm
Bent cutterbar
Symptom: Knife Back Breakage
Bent or broken guard
Worn knifehead pin
Dull knife
Symptom: Excessive Breakage of Knife Sections or Guards
Knife hold-downs not adjusted
properly
Cutterbar operating too low in stony
conditions
Float is set too heavy
Bent or broken guard
Header angle too steep
214327
TROUBLESHOOTING
Solution
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
Adjust hold-downs
Adjust knife timing
Check engine speed of windrower
Replace knife
Tighten or replace parts
Straighten cutterbar
Straighten or replace guard
Replace knifehead pin
Replace knife
Adjust hold-downs
Raise cutterbar using skid shoes
Adjust for lighter float
Straighten or replace guard
Flatten header angle
260
Refer to
5.5.1 Replacing Knife Section, page
138
5.5.7 Knife Guards, page 142
•
3.7.11 Reel Fore-Aft Position, page
61
•
3.7.12 Reel Tine Pitch, page 68
•
5.8.1 Reel Clearance to Cutterbar,
page 202
•
5.8.2 Reel Frown, page 205
3.7.4 Header Float, page 57
3.7.3 Cutting on the Ground, page 55
See your MacDon Dealer
Controlling Header Angle, page 57
Refer to your windrower's operator's
manual
Checking and Adjusting Knife Hold-
Downs, page 148
Adjusting Double-Knife Timing, page
172
Refer to your windrower's operator's
manual
•
5.5.2 Removing Knife, page 139
•
5.5.5 Installing Knife, page 141
•
5.5.3 Removing Knifehead Bearing,
page 140
•
5.6.1 Knife Drive Box, page 155
See your MacDon Dealer
5.5.7 Knife Guards, page 142
5.5.3 Removing Knifehead Bearing,
page 140
•
5.5.2 Removing Knife, page 139
•
5.5.5 Installing Knife, page 141
Checking and Adjusting Knife Hold-
Downs, page 148
3.7.3 Cutting on the Ground, page 55
3.7.4 Header Float, page 57
5.5.7 Knife Guards, page 142
Controlling Header Angle, page 57
Revision B