31
8 TROUBLE SHOOTING CHART
TROUBLES CAUSES REMEDIES
Irregular cut
• Worn, bent or broken flails.
• Machine is not levelled with the
ground.
• Clogged material due to
excessive working speed.
• Replace.
• Level it, adjusting the flail head
hydraulic ram.
• Reduce working speed.
Machine noise
• Loose bolts
• Flail head with cracks or initiation
of damage.
• Tighten bolts
• Have it repaired in specialized
workshops.
Gearbox noise
• Lack of oil
• Worn gears
• Worn bearings
• Fill to level
• Replace
• Replace
Vibration
• Broken or worn flails
• Unbalanced flail holder shaft
• Worn flail holder shaft bearings
• Replace
• Have it replaced in authorized
workshops
• Have them replaced in
authorized workshops
Premature flail wear
• Flails touching the ground • Adjust height of cut
Excessive backlash in the arms
and joints
• Worn pins
• Worn slide runners
• Replace
• Adjust or replace
Arm lower involuntarily
• Worn glands in the hydraulic
rams
• Replace glands in authorized
workshop
Breakage of roller bearings
• Violent impact on the ground
when the arm is lowered
• Dirty or little greased bearings
• Lower it gently.
• Clean and grease.
Flail holder shaft speed slows
down
• Hydraulic system loses pressure • Have pump and hydraulic motor
checked in authorized workshop
Hydraulic oil overheating (over
70°C)
• Hydraulic system needs to be
checked
• Have it checked in authorized
workshop