Land Pride OFM3678, Manual

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Section 6: Troubleshooting
OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M 6/11/21
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Table of Contents
Section 6: Troubleshooting
Troubleshooting Chart
OFM36 Series Offset Flail Mower
Problem Cause Solution
Belt slippage
Blades touch the ground Adjust the skids or roller correctly
Belts worn Replace with new belts
Belt is not tensioned correctly Correct belt tension
Belt tensioner is damaged Replace the damaged components
Clogging Clean the machine to remove accumulated debris
Belt failure
Incorrect belt alignment Align the belts
Belt tensioner spring has lost its
memory or is broken
Replace belt tensioner spring and belts
Significant machine vibration
Worn blades
Replace the blades Missing blades
Broken blades
Worn rotor support bearings
Replace the bearings
Rotor fouled with debris Clean rotor
Loose parts Tighten bolts and fasteners
Incorrect power take-off speed Select correct tractor power take-off speed
Excessively rapid blade wear Blades touching the ground Check and, if necessary, adjust cut height
Blades tear rather than cut,
shredded material not distributed
evenly
Ground speed too high Reduce the speed
Cut height too low Adjust cut height
Excessive build-up of material
under the flail head
Clean the flail head
Clogging Clean the machine to remove accumulated debris
Roller does not turn easily
Insufficient greasing Grease as indicated
Roller casing bearings worn Replace the bearings
Roller or mounts damaged or
bent
Replace damaged parts
Excessive driveline noise
Insufficient greasing
Apply grease as indicated in the Maintenance
section
Worn trunnion bearing Replace bearings
Exceeds 25 degrees Do not exceed 25 degrees
Driveline wear
Insufficient greasing
Apply grease as indicated in the Maintenance
section
Operating angle incorrect Reduce the operating angle
Overloading
Avoid overloading and do not start the machine
when loaded
Breakage or deformation of the
driveline Overloading
Avoid overloading and do not start the machine
when loaded
Operating angle incorrect Reduce the operating angle
Unit overheating
Not enough oil in the unit
Check seals and gaskets and replace any that are
damaged
Top off the oil
Incorrect oil type Replace with the prescribed type of oil
Excessive oil Restore correct oil level
Overloading Observe the prescribed speed and power conditions
Lateral adjustment and/or
inclination angle adjustment
functions not working correctly
Hoses connected incorrectly to
tractor remotes
Connect correctly
Remotes or hydraulic pump on
tractor faulty
Check and repair if necessary
Oil leakage
Check connections and tighten correctly if
necessary
Check hydraulic hoses and replace if necessary