Iseki SBC550X, Operation Manual

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VI. TROUBLESHOOTING
89
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 (
r
).
• Clean.
• Mow it in two steps or narrow cutting
width.
• Slow down sufficiently.
• 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 (
r
).
• 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 • 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 (
r
).
• Slow down.
• Clean.
• Clean.
• Consult your dealer.