HR4004D-4504D
104
11. - Troubleshooting guide
KN208JGB_C
Power harrow
11. Troubleshooting guide
-
Problem
Cause
Remedy
Noisy drive when lifting the
machine.
Top link of 3-point hitch badly
positioned/adjusted.
- Position top link parallel to
lower linkage arms.
Excessive lifting height.
- Limit the lift linkage stroke.
Noisy drive during work.
Machine tilted to the front or
rear (excessive pitch angle).
- Lengthen or shorten top link
to set the machine
horizontally during work
(Tractor pto shaft end and
machine input shaft must
be parallel).
Insufficient machine side to
side stabilization.
- Use lower linkage arm
stabilizers.
Excessive power
requirement.
Working depth too deep.
- Reduce working depth by
means of the roller.
Rotor speed too high.
- Reduce speed by changing
gearwheels in the gearbox
(optional gearwheel sets).
Excessive ground speed.
- Reduce groundspeed.
Incorrect setting of the rear
levelling bar.
- Raise or remove the
levelling bar.
Tilth produced is too coarse.
Considerable build-up of
long plant residues around
the blades.
- Eliminate plant residues.
Excessive ground speed.
- Reduce groundspeed.
Rotor speed too low.
- Increase speed by
changing gearwheels in the
gearbox (optional
gearwheel sets).
No levelling bar.
- Install levelling bar,
preferably to the rear.
