MacDon D65 SP DHOM - Manual (Page 261)

TROUBLESHOOTING
Symptom Problem Solution Section
Knife hold-downs not
adjusted properly.
Adjust hold-downs.
Checking Knife
Hold-Downs, page 149
Knives on double-knife
drive not timed.
Adjust knife timing.
Adjusting Double Knife
Timing, page 169
Knife not operating at
recommended speed. Check engine speed of
windrower. Refer to your windrower’s
operator’s manual
Excessive knife wear. Replace knife.
6.5.2 Removing Knife,
page 142
6.5.5 Installing Knife, page
143
Loose or worn knifehead
pin or drive arm.
Tighten or replace parts.
Removing Knifehead
Bearing
6.6.1 Knife Drive Box, page
153
Excessive header
vibration
Bent cutterbar. Straighten cutterbar. See your MacDon Dealer
Bent or broken guard. Straighten or replace.
6.5.7 Knife Guards, page
144
Worn knifehead pin. Replace.
Removing Knifehead
Bearing
Knife back breakage
Dull knife. Replace.
6.5.2 Removing Knife,
page 142
6.5.5 Installing Knife, page
143
Knife hold-downs not
adjusted properly.
Adjust hold-downs.
Checking Knife
Hold-Downs, page 149
Cutterbar operating too low
in stony conditions. Raise cutterbar, using skid
shoes. Cutting On the Ground,
page 53
Float is set too heavy. Adjust for lighter float.
4.7.2 Header Float, page
55
Bent or broken guard. Straighten or replace.
6.5.7 Knife Guards, page
144
Excessive breakage
of knife sections or
guards.
Header angle too steep. Flatten header angle.
Controlling Header Angle,
page 56
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