MAC215990
468
Revision A
Troubleshooting
–
Cutting Action and Knife Components (continued)
Problem
Solution
Refer to
Knife hold-down not adjusted properly
Adjust hold-down
•
•
Pointed Knife Guards, page 327
•
•
Excessive knife wear
Replace knife
•
4.8.2 Removing Knife, page 307
•
4.8.5 Installing Knife, page 310
Loose or worn knifehead pin or
drive arm
Tighten or replace parts
4.8.1 Replacing Knife Section, page
306
Symptom: Excessive vibration of float module and header
Incorrect knife speed
Adjust knife speed
Checking Knife Speed, page 138
Bent cutterbar
Straighten the cutterbar
MacDon Dealer
Symptom: Excessive breakage of knife sections or guards
Knife hold-down not adjusted properly
Adjust the hold-down
•
or
•
Cutterbar operating too low in stony
conditions
Raise cutterbar using skid shoes
3.9.2 Cutting on Ground, page 118
Float is set too heavy
Adjust float springs for lighter float
Checking and Adjusting Header Float,
page 121
Bent or broken guard
Straighten or replace the guard
•
4.8.7 Pointed Knife Guards and
Hold-Downs, page 312
or
•
4.8.8 Short Knife Guards and Hold-
Downs, page 328
Header angle too steep
Flatten the header angle
Symptom: Knife back breakage
Bent or broken guard
Straighten or replace the guard
•
4.8.7 Pointed Knife Guards and
Hold-Downs, page 312
or
•
Содержание NEW HOLLAND D2 Series
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