Service Manual

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