Jacobsen SXG323, Service Manual

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CHAPTER 8. TROUBLESHOOTING
33
8
Troubles Presumable causes Remedies
• Improper discharging • Front PTO belts and drive • Check belt and correct.
• Blades are installed upside down. • Re-install them correctly.
• Grass is too moist. • Wait until grass becomes dry.
• Too tall grass • Mow it in two steps.
• Too fast traveling speed • Slow down sufficiently.
• Too low engine speed • Run engine at full throttle (r).
• Clogged discharge or mower deck • Clean.
inside • Mow it in two steps or
narrow cutting width.
• Too dense grass • Slow down sufficiently.
• Improperly installed blades • Install blades properly.
• Grass is not mowed. • Front PTO belts and drive • Adjust belt tension spring or
replace belt with new one.
• Too fast traveling speed • Slow down.
• Too low engine speed • Run engine at full throttle (r).
• Worm or broken blades • Replace them with new ones.
• Blades are installed upside down. • Re-install them correctly.
• Improperly installed blades • Install blades properly.
• Uneven cutting
heights
• Mower is not parallel to ground. • Adjust mower mounting.
• Too fast traveling speed • Slow down.
• Worn blades • Replace them with new ones.
• Clogged grass inside of mower deck • Clean.
• Improperly adjusted gauge wheels • Adjust them properly.
• Too tall grass • Mow it in two steps.
• Two blades are not installed on the same • Correct by shimming and set
level and correct angle. the blades properly.
• Deformed blades • Replace them with new ones.
• Turf is peeled off • Too low cutting height. • Correct it with gauge wheels.
in some places. • Mower is not parallel to ground. • Adjust mower mounting.
• Too fast turning speed • Turn slowly.
• Too bumpy ground • Shift mowing direction.
• Excessive noise and
vibration
• Broken or unbalanced blades • Replace them with new ones.
• Loose blade tightening nuts • Re-tighten them to 1300 kgf•cm
• Tension of timing belt is poor. • Adjust tension of timing belt
properly.
CHAPTER 8. TROUBLESHOOTING