TEST HOOK UP NO. 5 (Greensmaster 3100)

Steering Pump Flow and Relief Pressure

TESTER CONNECTION:

Tester in series between steering pump outlet line and fitting on P (pressure) port of steering control unit.

(Tester Flow Control Valve Open)

CAUTION: Keep everyone away from the front of the machine during steering system tests.

TESTER

GR3100 WITH DANFOSS PUMP SHOWN.

MACHINES WITH PARKER PUMP USE

LAST PUMP SECTION FOR STEERING

CIRCUIT.

TEST A: STEERING PUMP FLOW

PROCEDURE

Traction Lever in neutral. Engine RPM 2800.

Hydraulic oil at operating temperature.

While watching flow and pressure gauges, slowly close flow control valve until 600 PSI is obtained.

TESTER READINGS

Flow not lower than 1.5 GPM at 750 to 850 PSI

If flow is less than 1.5 GPM, check for restriction in pump intake line. If not restricted, remove pump and repair as necessary.

If pressure not within listed range, remove steering relief cartridge and examine for contamination or damage. Adjust steering relief valve if necessary.

Greensmaster®3100

Page 4 - 35 Rev. E

Testing

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Toro 3100 manual Test Hook UP no Greensmaster, Steering Pump Flow and Relief Pressure, 4 35 Rev. E Testing