TORO GM 345 / 325-D Hydraulics
Notes
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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)