Service Manual

TROUBLESHOOTING (cont’d)
Tractor operates erratically.
Possible Cause Corrective Action
The transmission control linkage needs adjustment or
replacement
Adjust, repair, or replace
The transmission oil level is low Fill to the full “F” mark on the transmission oil dipstick
when transmission is cold
The transmission is faulty Repair/replace
Tractor operates in both directions but with loss of power.
Condition becomes worse as transmission becomes hot.
Possible Cause Corrective Action
The transmission oil level is low Fill to the full “F” mark on the transmission dipstick
when transmission is cold
The transmission shows signs of overheating or water
contamination
Replace the transmission oil and filter
The cooling fan and/or transmission cooling fins are
faulty or dirty
Clean the transmission and/or replace the fan.
The engine is not operating at full throttle Increase the engine speed to full throttle
The power steering filter is dirty Clean the power steering filter
Transmission overheating.
Possible Cause Corrective Action
Not operating engine at full throttle Increase engine speed to full throttle
Low oil level Fill full “F” mark on dipstick (when trans. is cold)
Accumulation of dirt and debris on hydrostatic trans. Clean
Loose fan or broken blades Repair or replace
Abnormal vibration or noise.
Possible Cause Corrective Action
The engine mounting bolts are loose Tighten the engine mounting bolts
The idler pulley or cutter deck blade is loose Tighten the appropriate pulley
The transaxle cooling fan is loose Repair or replace as necessary
There is a problem with the electric clutch Repair or replace as necessary
3
HYDROSTATIC DRIVE
3-4 5xi Series Tractor Service Manual