MacDon D1X Series, Operator'S Manual, Page: 241 / 274

TROUBLESHOOTING
Symptom Problem Solution Refer to
Bent or broken guard Straighten or replace guard
5.5.7 Knife Guards, page
120
Worn knifehead pin Replace knifehead pin
5.5.3 Removing Knifehead
Bearing, page 118
Knife back breakage
Dull knife Replace knife
•
5.5.2 Removing Knife,
page 118
•
5.5.5 Installing Knife,
page 119
Knife hold-downs not
properly adjusted
Adjust hold-downs
Checking Knife
Hold-Downs, page 125
Knives on double-knife
drive not timed
Adjust knife timing
Adjusting Double-Knife
Timing , page 149
Knife not operating at
recommended speed Check engine speed of
windrower Refer to the windrower
operator’s manual
Excessive knife wear Replace knife
•
5.5.2 Removing Knife,
page 118
•
5.5.5 Installing Knife,
page 119
Loose or worn knifehead
pin or drive arm
Tighten or replace parts
•
5.5.3 Removing
Knifehead Bearing, page
118
•
5.6.1 Knife Drive Box,
page 129
Excessive header
vibration
Bent cutterbar Straighten cutterbar See your MacDon Dealer
Knife hold-downs not
properly adjusted
Adjust hold-downs
Checking Knife
Hold-Downs, page 125
Cutterbar operating too low
in stony conditions Raise cutterbar using
skid shoes
Cutting on the Ground,
page 48
Float is set too heavy
Adjust springs for
lighter
fl oat
3.7.2 Header Float, page
49
Bent or broken guard Straighten or replace guard
5.5.7 Knife Guards, page
120
Excessive breakage
of knife sections
or guards
Header angle too steep Flatten header angle
Adjusting Header Angle,
page 50
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Revision A