Toro Groundsmaster 300 Series Service Manual page 112

High Steering Effort
Ok
Troubleshooting
Check steering
linkage for binding
or damage
Defective
Repair
Repair or replace Inspect
Ok
transmission charge
(pump & motor) pump
Defective
Repair
charge
pump
Check for restric- Inspect
Ok
tion in return line steering valve
("OUT" port)
Defective
Defective
Replace Repair or
hydraulic replace valve
cylinder
Ok
Check
hydraulic
oil level
Low
Fill to
proper
level
Check charge
Ok
pressure/flow
Inspect
Ok
Ok
implement
relief valve
Control valve
Defective
Repair or shim Repair or replace
implement
relief valve
NOTE: Sticking steering valve plate can cause high
steering effort in one direction. This is usually
caused by excessive heat in the system.
Page 5 - 16
Ok
Inspect
Ok
pump transmission
inlet filter
Low Loose or clogged
Test
Tighten
steering
or
valve
replace
sticking
steering
valve
Groundsmaster
®
300 Series