MacDon A40D - Page 250

262334 232 Revision A
Problem Solution
Section
Symptom: Knocking in knife drive
Worn needle bearing in knifehead
Replace.
4.8.4 Removing Knifehead
Bearing, page 146
Worn knifehead pin
Replace.
4.8.3 Installing Knife, page 145
Incorrect end guards Replace with special end guards. 4.8.7 Guards, page 147
Symptom: Knife back breakage
Dull knife
Replace.
4.8.4 Removing Knifehead
Bearing, page 146
Worn knife head pin
Replace.
4.8.3 Installing Knife, page 145
Bent or broken guard Straighten or replace.
4.8.7 Guards, page 147
Incorrect end guards at knifehead
Replace with the correct number of
special guards.
4.8.7 Guards, page 147
Symptom: Windrower side drift
Header is dragging on one end and
pulling to that side.
Adjust the skid shoes to prevent the
cutterbar dragging.
3.8.8 Setting Cutting Height,
page 89
Header is dragging on one end and
pulling to that side.
Adjust the header float.
3.8.11 Checking and Adjusting
Float – M Series Self-Propelled
Windrowers, page 99
Symptom: Lights malfunctioning
Improper ground
Check for proper grounding between the
light base and the header.
4.17 Maintaining the Electrical
System, page 222
Burned out bulb
Replace the bulb.
4.17 Maintaining the Electrical
System, page 222
Poor connection
Check connector at the windrower.
—
TROUBLESHOOTING