Product Manual

Page 21 of 25
Troubleshooting
Use the table below to troubleshoot problems before contacting service personnel or your local dealer.
If the problem continues after troubleshooting, call your local dealer for assistance.
Failure
Possible Cause
Corrective Action
Bent or broken teeth
Hitting solid objects
Avoid hitting solid objects.
Bent tooth bar
Added weights to the harrow
Remove weights.
Hitting solid objects with harrow in the
ground
Inspect the field and mark areas
of trouble such as stumps, broken
fence posts, and outcropping of
rocks.
Hitting solid objects with harrow raised
Stay away from buildings, fencing,
tree banks, and other solid objects
when traveling straight and
turning corners.
Excessive tooth wear
Added weights to the harrow
Remove added weights.
Loose teeth
Tighten teeth to the tooth bar.
Sandy soil
Teeth are hardened for maximum
wear. Sand is very abrasive and
teeth may need replacement more
frequently.
Harrow does not penetrate
the ground
Grass, wire, and trash have accumulated
under the harrow
Remove grass, wire, and trash
from under the harrow.
Teeth are not set at the correct angle
Adjust the angle of teeth to be
more upright.
Ground is too hard
Break the ground with a field tool.
Loose teeth
Locknuts have worked loose
Retighten locknuts to the correct
torque. Replace locknuts that
won’t stay tight.
Material accumulates in
front of harrow
3-point hydraulic control stop not set
correctly.
Readjust the 3-point hydraulic
control stop. See Hitch Height &
Chain Adjustment on page 12.
Rear teeth do not follow
ground contour
Rear chains are too short.
Re-attach the rear chains to the
hitch with more chain links
between the hitch and the harrow
frame.
Rear teeth do not raise
very far off the ground
when lifting harrow up
Rear chains are too long
Re-attach the rear chains to the
hitch with fewer chain links
between the hitch and the harrow
frame.
Spike tooth mounting
holes are wallowing out.
Teeth are loose
Check frequently for loose nuts
and tighten loose nuts to the
correct torque.