Toro Greensmaster 3200 Service Manual page 97

Procedure for Charge Relief Valve (R4) Pressure
Check:
1. Make sure hydraulic oil is at normal operating tem-
perature by operating the machine for approximately 10
minutes.
2. Make sure machine is parked on a level surface with
the cutting units lowered. Make sure engine is off and
the parking brake is engaged.
3. Read Precautions for Hydraulic Testing.
4. Disconnect hose to the rear 90 hydraulic fitting on
the hydrostat coming from the implement relief valve
(R5). Connect T–connector and gauge to the fitting and
hose connection.
Greensmaster 3200/3200–D
5. Operate engine at full speed.
A. Units with a diesel engine (3025
B. Units with a gasoline engine (2800
6. Make sure hydraulic oil is at operating temperature.
7. Make sure that traction pedal and lift control are in
neutral and the parking brake is engaged.
8. Pressure gauge should read from 100 to 150 PSI.
9. Shut off engine.
10. If specification is not met, replace back plate assem-
bly containing the charge relief valve.
11. Disconnect gauge and T–connection from the 90
hydraulic fitting and hose connection. Reconnect hose
to the hydrostat.
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50 RPM).
28 RPM).
Hydraulic System