11. - Troubleshooting guide
HRB122-152-182
71
KN135HGB_D
Power harrows
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 PTO speed
Excessive ground speed
Reduce groundspeed
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 PTO speed
Tilth produced is too fine
Rotor speed too high
Reduce PTO speed
Forward speed is too slow
Increase forward speed
Excessive wear on blades
and blade holders
PTO speed is too high
Reduce PTO speed
Crumbler roller clogging
Wet conditions
Remove Crumbler roller
removable bars
