TRANSMISSION
L3560, L4060, L4760, L5060, L5460, L6060, WSM
3-S8
Error Message Does not Indicate on LCD (GST)
Symptom
Probable Cause
Solution
Reference
Page
The Tractor Does Not
Move While Shifted
Oil level is low
Check oil level or fill
oil to proper level
Clogged hydraulic oil filter
Replace oil filter
cartridge
Power steering hydraulic pump damaged
Replace
GST system pressure is too low
Solution order
1. Check the
regulating valve
pressure.
2. Adjust the GST
system pressure.
GST pilot pressure is too low
Solution order
1. Check the orifice of
the pilot circuit.
2. Check the shift
check valves.
3. Check the shift
pistons.
4. Check the
movement of the shift
forks.
–
5. Check the oil
leaking from PTO
clutch valve or its
clutch pack.
GST clutch pressure is too low
Solution order
1. Check the pressure
switch.
2. Check the filter of
proportional reducing
valve.
3. Check the clutch
valve.
4. Check the GST
clutch pack.
GST clutch pack damaged
Repair or replace
GST clutch pack
Synchronizer units damaged
Replace the
synchronizer unit
Gears on the shaft damaged
Replace the gears
–
The Time Needed to
Start the Tractor
Oil level is too low
Check oil level or fill
oil to proper level
Transmission oil quality is too low
Fill correct fluid
GST valve improperly adjusted
Adjust GST valve
Shift shock improperly adjusted
Adjust shift shock
Temperature sensor damaged
Replace temperature
sensor
KiSC issued 03, 2016 A