Machine Troubleshooting; Mower Troubleshooting - Kubota Z723 Operator's Manual

76 TROUBLESHOOTING

MACHINE TROUBLESHOOTING

Symptom (If)
Machine operation is not
smooth.
Machine does not move while
engine is running.
Machine moves when motion
control levers are in "NEUTRAL
LOCK" position.
(Engine is operated.)
Transaxle belt is slipping
If you have any questions, contact your local KUBOTA Dealer.

MOWER TROUBLESHOOTING

Symptom (If)
Blade does not rotate.
Mower belt slipping.
Discharge chute
plugged.
Streaking of grass uncut. A Ground speed too fast.
Cause
A Hydrostatic transaxle
insufficient.
A Filter is clogged.
A Transaxle bypass lever is activated.
A Parking brake is on.
A Transaxle fluid level is insufficient.
A Transaxle bypass lever is activated.
A Hydrostatic lever linkage is not
correctly adjusted.
A Control linkage pivots are sticking.
A Weak tension spring
A Worn transaxle belt
Cause
A PTO system is not normal:
PTO system malfunctioning.
A PTO system is normal:
Broken mower belt.
A Weaken tension spring.
A Worn mower belt.
A Mower plugged.
A Debris in pulleys.
A Grass too wet.
A Grass too long.
A Cutting too low.
A Engine rpm too low.
A Ground speed too fast.
A Engine rpm too low.
A Grass too long.
A Blades dull or damaged.
A Debris in mower deck.
fluid is A Replenish oil.
A Replace the filter.
A Deactivate bypass lever.
A Release the parking brake.
A Replenish oil.
A Deactivate bypass lever.
A Ask your dealer for hydrostatic lever
linkage adjustment.
A Full up and lubricate linkage.
A Replace the tension spring.
A Replace the transaxle belt.
Remedy
A See your Kubota Dealer.
A Replace.
A Replace.
A Replace.
A Unplug and clean mower deck.
A Clean.
A Wait for grass to dry.
A Raise cutting height and cut grass twice.
A Raise cutting height.
A Mow at full throttle.
A Slow down.
A Slow down.
A Mow at full throttle, check and reset
engine rpm.
A Cut grass twice.
A Replace blades
sharpened.
A Clean mower deck.
Remedy
or have blades