Yanmar EF393T - Hydraulic and Power Train Issues

EF393T OM
68
3. Hydraulic system
PROBLEM CAUSE REMEDY
Implement not raises
Low oil level Fill system with proper oil.
Hydraulic stop valve closed Open stop valve.
Excessive load on hitch Reduce load.
Hydraulic oil too cold Allow oil to warm up.
Hydraulic oil filter clogged Replace filter.
Defective hydraulic pump or control
valve
See your YANMAR dealer.
Oil leaks Check oil leaks.
Hitch drops slowly or does
not drop
Hydraulic stop valve closed Open stop valve.
Slow return valve set slow Open valve and adjust drop speed.
System drops too fast
Slow return valve set fast Close valve and adjust drop speed.
Improper oil Use oil with proper viscosity.
System overheating
Incorrect oil viscosity Drain and fill oil with proper viscosity.
Low oil level Fill to proper oil level.
Dirty oil Drain and fill clean oil.
Keeping steering wheel at the end Release steering wheel.
Control lever not returned to neutral
position when using implement
Return lever to neutral position.
4. Power train
PROBLEM CAUSE REMEDY
Abnormal noise
Transmission oil level low Add proper type of oil.
Worn or broken gears/bearings See your YANMAR dealer.
Tractor is pulled to one side
Brakes adjusted unevenly Adjust brake pedal free travel.
Right and left tires inflated unevenly Inflate tires to proper pressure.
Implement improperly adjusted See implement operator's manual