Toro GROUNDSMASTER 345 - Manual (Page 51)

TORO GM 345 / 325-D Hydraulics
Notes
________________________________________________________________________________________________________________
________________________________________________________________________________________________________________
________________________________________________________________________________________________________________
________________________________________________________________________________________________________________
________________________________________________________________________________________________________________
________________________________________________________________________________________________________________
________________________________________________________________________________________________________________
________________________________________________________________________________________________________________
________________________________________________________________________________________________________________
49
1. Testing charge flow.
•
Connect hydraulic flow meter.
•
Operate engine at 3200 RPM.
•
Restrict oil flow through flow tester. Should be able to read 1GPM at 700 PSI.
Low charge flow (charge pressure “OK”)
2. Possible
causes:
•
Leaking implement relief valve.
•
Worn drive pump.
•
Worn drive motor.
3. Performance results:
•
Slow steering response.
•
Slow hydraulic response.
•
System overheating. (low oil cooler flow)