Toro Groundsmaster 300 Series Service Manual page 109

Check Check
Ok
engine hydraulic
rpm oil level
Low Low
Adjust,
Fill to
use
proper
tachometer
level
Repair or replace
transmission
(pump & motor)
®
Groundsmaster 300 Series
System Operates Hot
Check radiator, Inspect
Ok Ok
screen, fan, by-pass
fan belt and valve
coolant level
Defective
Open or defective
cooling system
Clean radiator & Close or
screen. Repair fan or repair
belt. Add coolant
Reduce load on Check
Ok
transmission; traction
non-hydraulic pressure
problem
Low
Inspect
Inspect
Ok Ok
charge
implement
pump
relief valve
Defective Defective
Repair or replace Repair or shim
charge pump implement
relief valve
Page 5 - 13
Inspect lift Check for kinked
Ok
Ok
lever latch or severely bent
position hose or tubing
Incorrect Kinked or bent
Adjust Replace kinked
lever or bent hose
or tubing
Check Inspect
Ok Ok
charge pump transmission inlet
flow
Low Loose or clogged
Test Tighten
Ok
steering
valve replace
Control valve
sticking
Repair or replace
steering
valve
Inspect
Ok Ok
acceleration
valves
Defective
Repair
acceleration
valves
filter
or
Troubleshooting