Kubota ZD1221L-72 User Manual

MOWER TROUBLESHOOTING
Symptom (if) Cause Remedy
Discharge deflector plugged. • Grass too wet. • Wait for grass to dry.
• Grass too long. • Raise the cutting height and cut grass twice.
• Cutting too low. • Raise the cutting height.
• Engine rpm too low. • Mow at full throttle.
• Ground speed too fast. • Slow down.
Streaking of grass uncut. • Ground speed too fast. • Slow down.
• Engine rpm too low. • Mow at full throttle, check and reset the engine
rpm.
• Grass too long. • Cut grass twice.
• Blades dull or damaged. • Replace blades or have blades sharpened.
• Debris in mower deck. • Clean the mower deck.
Uneven cut. • Mower deck not level. • Level the mower deck.
• Ground speed too fast. • Slow down.
• Blades dull. • Have blades sharpened.
• Blades worn or damaged. • Replace the blades.
• Low tire inflation. • Add air to correct pressure.
• Anti-scalp rollers not adjusted correctly. • Adjust the anti-scalp rollers.
• Wheels pressure not adjusted correctly. • Set both tire pressure to the correct pressure.
(See TIRES on page 50.)
Blades scalping grass. • Cutting height too low. • Raise the cutting height.
• Turning speed too fast. • Reduce speed on turns.
• Ridges in terrain. • Change the mowing pattern.
• Rough or uneven terrain. • Adjust wheels pressure and anti-scalp rollers.
• Anti-scalp rollers not adjusted correctly. • Adjust wheels pressure and anti-scalp rollers.
• Bent blade(s). • Replace blade(s).
Mower belt slipping. • Mower deck plugged. • Unplug and clean the mower deck.
• Debris in pulleys. • Clean pulleys.
• Worn mower belt. • Replace belt.
Excessive vibration. • Debris on mower deck or in pulleys. • Clean the mower deck and pulleys.
• Damaged mower belt. • Replace the mower belt.
• Damaged pulleys. • Replace pulleys.
• Pulleys out of alignment. • Consult your local KUBOTA Dealer.
• Blades out of balance. • Have blades balanced.
Mower loads down machine. • Engine rpm too low. • Mow at full throttle, check and reset the engine
rpm.
• Ground speed too fast. • Slow down.
• Debris wrapped around mower spindles. • Clean the mower.
• Front of deck too low. • Adjust the mower deck.
(See MOWER DECK LEVEL on page 88.)
If you have any questions, contact your local KUBOTA dealer.
TROUBLESHOOTING MOWER TROUBLESHOOTING
100
ZD1211,ZD1221

Kubota ZD1221L-72 Specifications

General

Brand	Kubota
Model	ZD1221L-72
Category	Lawn Mower
Language	English