MacDon A40-D Pull-Type - Manual (Page 175)

SECTION 8 TROUBLESHOOTING
169000
173
Revision F
SYMPTOM PROBLEM SOLUTION SECTION
Knocking In Knife Drive.
Worn needle bearing in
knife head.
Replace.
7.8.4
Worn knife head pin. 7.8.3
Incorrect end guards.
Replace with special
end guards.
7.8.7
Header Turns While
Unloaded But Slows Or Stops
When Starting To Cut.
Cold oil in system.
Reduce ground speed until
oil reaches operating
temperature.
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Knife Back Breakage.
Dull knife.
Replace.
7.8.4
Worn knife head pin. 7.8.3
Bent or broken guard. Straighten or replace.
7.8.7
Incorrect end guards at
knife head. Replace with correct number
of special guards.
Windrower Side Drift.
Header is dragging on one end
and pulling to that side.
Adjust skid shoes to prevent
cutterbar dragging.
6.17.8.1
Adjust header flotation. 6.17.10
Low tire pressure on one side
(pull-type). Check and correct tire
pressure (30 psi [207 kPa]).
7.14.4
Lights Malfunctioning.
Improper ground.
Check for proper grounding
between light base
and header.
7.17
Burned out bulb. Replace bulb.
Poor connection.
Check connector at
tractor/windrower.
6.4.3