MacDon A40-D, Operator'S Manual

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Revision A
Symptom Problem Solution Section
Long stubble in down crop Cutting height too high
Lower cutting height with
skid shoes.
3.6.8 Setting Cutting
Height, page 71
Long stubble in down crop Ground speed too fast Slow down.
3.10 Selecting
Ground Speed,
page 93
Long stubble in down crop
Header angle too flat for
guards to pick up
down crop
Increase header angle.
3.6.7 Adjusting
Header Angle, page
70
Long stubble in down crop Reel position incorrect Move reel forward and down.
3.6.5 Setting Reel
Position, page 64
Long stubble in down crop
Tine aggressiveness
too low
Rotate cam clockwise (viewed
from RH end) for more
aggressive tine action. 3.6.6 Setting Tine
Aggressiveness,
page 69
Pulling material by the
roots or tall material
leaning into machine
Ground speed too slow Increase ground speed.
3.10 Selecting
Ground Speed,
page 93
Pulling material by the
roots or tall material
leaning into machine
Reel position incorrect Move reel forward and down.
3.6.5 Setting Reel
Position, page 64
Ragged or uneven cutting
of crop
Bent or misaligned guards
causing poor
shearing action
Align guards for proper shearing
action. Aligning Guard,
page 123
Ragged or uneven cutting
of crop
Bent knife causing binding
Straighten bent knife. Check
alignment, and adjust if
necessary.
4.7.2 Removing
Knife, page 118
Ragged or uneven cutting
of crop
Ground speed too fast
Slow down. Ground speed
should not exceed 13 km/h
(8 mph). 3.10 Selecting
Ground Speed,
page 93
Ragged or uneven cutting
of crop
Header angle too flat for
guards to pick up
down crop
Increase header angle.
3.6.7 Adjusting
Header Angle, page
70
Ragged or uneven cutting
of crop Header float too light,
causing bouncing
Adjust to heavier float setting.
3.6.9 Checking/
Adjusting Float
–
M
Series, page 72
Ragged or uneven cutting
of crop
Reel position incorrect
Move reel forward and down.
3.6.5 Setting Reel
Position, page 64
Ragged or uneven cutting
of crop Relief valve pressure
too low
Replace valve. See Dealer
Ragged or uneven cutting
of crop
Knife drive belt too loose
Increase belt tension.
4.8.1 Header Knife
Drive, page 140
Ragged or uneven cutting
of crop Knife sections or guards
are worn or broken
Replace worn or broken parts.
4.7.1 Replacing
Knife Section, page
117
TROUBLESHOOTING