KUHN GA4121GM, Operator'S Manual

Page: 71 / 88

11. - Troubleshooting guide
GA4121GM
69
KN129DGB D
Gyrorake
11. Troubleshooting guide

Problem

Cause

Remedy
Poor raking over the
whole rotor width. Tines too far from the
ground.
Adjust wheel height.
Poor raking on one side
of the rotor. Rotor tilted towards the
opposite side.
Adjust wheel height to obtain
same tine/soil distance on both
machine sides.
Poor raking on the two
sides.
Rotor tilted frontward.
Lengthen the top link
Or
Adjust wheel height.
Poor raking in the
middle.
Rotor tilted rearwards. Shorten the top link.
Crop pick up at the rear
of the rotor.
Swaths too compact
between tines and
swath screen.
Increase swath screen distance.
Earth clods on tines. Adjust wheel height.
Rotor speed too high. Reduce PTO speed.
Crop ejection at the
front of the swath
screen. Incorrect swath screen
position: Too much at
the rear.
Move swath screen forwards.
Reduce PTO speed.
Crop ejection underneath
the swath screen.
Incorrect swath screen
position: Too far away
from the ground.
Move swath screen downwards.
Torque limiter disengages
frequently. Load on tine arms is too
high.
Adjust wheel height.
Reduce groundspeed.
Unusual rotor vibrations. Rotor speed too high.
Check PTO speed: (540 min
-1
max.).