SCMA54&SCMA48
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VI. TROUBLESHOOTING
Troubles Presumable causes Remedies
･ Improper discharging ･ Front PTO belts and drive
･Blades are installed upside down.
･ Grass is too moist.
･ Too tall grass
･ Too fast travelling speed
･Too low engine speed
･ Clogged discharge or mower deck
inside
･ Too dense grass
･Improperly installed blades
･ Check belt and correct.
･ Re-install them correctly.
･ Wait until grass becomes dry.
･ Mow it in two steps.
･ Slow down sufficiently.
･ Run engine at full throttle ( ).
･ Clean.
･ Mow it in two steps or narrow cutting
width.
･ Slow down suffioiently.
･ Install blades properly.
･ Grass is not mowed. ･ Front PTO belts and drive
･ Too fast travelling speed
･ Too low engine speed
･ Worm or broken blades
･ Blades are installed upside down.
･ Improperly installed blades
･ Adjust belt tension spring or replace
belt with new one.
･ Slow down.
･ Run engine at full throttle ( ).
･ Replace them with new ones.
･ Re-install them correctly.
･ Install blades properly.
･ Uneven cutting heights ･ Mower is not parallel to ground.
･ Too fast travelling speed
･ Worn blades
･ Clogged grass inside of mower deck
･ Improperly adjusted gauge wheels
･ Too tall grass
･ Two blades are not installed on the
same level and correct angle.
･ Deformed blades
･ Adjust mower mounting.
･ Slow down.
･ Replace them with new ones.
･ Clean.
･ Adjust them properly.
･ Mow it in two steps.
･ Correct by shimming and set the
blades properly.
･ Replace them with new ones.
･ Turf is peeled off in some
places.
･ Too low cutting height.
･ Mower is not parallel to ground.
･ Too fast turning speed
･ Too bumpy ground
･ Correct it with gauge wheels.
･ Adjust mower mounting.
･ Turn slowly.
･ Shift mowing direction.
･ Excessive noise and vibration ･ Broken or unbalanced blades
･ Loose blade tightening bolts.
･ Replace them with new ones.
･ Re-tighten them to 1000 kgf･cm.
･ Excessive noise and vibration ･ Clogged grass inside of mower or
foreign matter caught in a pulley
･ Broken belt
･ Tension of belt is poor.
･ Deformed or interfering belt cover
･ Damaged gears
･ Clean.
･ Replace it with a new one.
･ Adjust tension of belt properly.
･ Repair it.
･ Consult your dealer.
･ Too low engine output ･ Too low engine speed
･ Too fast travelling speed
･ Foreign matter caught between
blade and blade support
･ Foreign matter caught in a pulley
･ Defective engine
･ Mow at full throttle ( ).
･ Slow down.
･ Clean.
･ Clean.
･ Consult your dealer.
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