TEST HOOK UP NO. 3

Reel Drive Pump Efficiency

TESTER CONNECTION:

Tester in series between reel pump outlet hose on suspected bad section and its valve bank fitting. Section being checked should be one that supplies oil for reel unit not operating properly.

(Tester Flow Control Open)

CAUTION: Keep everyone away from the front of the machine during reel system tests. Operator must be on seat or the safety interlock will stop the

engine when the mow pedal is engaged.

TESTER

TEST A: REEL DRIVE PUMP EFFICIENCY

GR3100 WITH DANFOSS PUMP SHOWN.

 

PROCEDURE

MACHINES WITH PARKER PUMP USE

CENTER 3 PUMP SECTIONS FOR REEL

Traction lever in neutral position.

DRIVE CIRCUITS.

Engine RPM 2800.

 

Hydraulic oil at operating temperature.

 

While watching pressure gauges, slowly close flow control valve until 1000 PSI is obtained. Read flow gauge.

TESTER READINGS

Flow not less than 2.5 GPM at 1000 PSI.

If unable to get 1000 PSI or flow is below 2.5 GPM, check for restriction in intake line to reel drive pump. If not restricted, remove pump and repair as necessary.

Testing

Page 4 - 32 Rev. E

Greensmaster®3100

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Image 54
Toro manual Reel Drive Pump Efficiency, Engine when the mow pedal is engaged, Testing 4 32 Rev. E Greensmaster3100