KUHN GMD802 Series, Operator'S Manual

Page: 66 / 72

Disc mower
64
GMD802
Trouble shooting guide
$ Trouble shooting guide
-
„ Problem „ Cause „ Remedy
Uneven stubble.
Dull or broken knives. Replace knives.
Knives not installed correctly.
Make sure the arrow on the
knife upper face is pointing in
the disc's direction of rotation.
Too low PTO speed (rotational
frequency).
Increase speed to 540 min
-1
or
1000 min
-1
.
Soil build up in front of the
cutterbar.
Too much cutterbar down
pressure.
Increase accumulator
pressure.
Very wet working conditions.
Adjust main frame height with
regards to the ground.
Bad ground contour
adaptation.
Incorrect main frame setting.
Adjust main frame height with
regards to the ground.
Excessive ground speed. Reduce ground speed.
Insufficient ground pressure. Reduce accumulator pressure.
Insufficient cutterbar ground
clearance in "headland turn"
position.
Incorrect tractor lift linkage
setting.
See machine attachment.
Too long levelling rod
adjustment on tractor 3-point
lift.
Shorten levelling rods on
tractor 3-point lift.
Excessive
mowing-conditioning unit
lateral oscillation in transport
position. Incorrect transport stop
adjustment.
Readjust transport stop.