Test Hook Up No. 4, Reel Drive Motor Flow; Reel Drive Relief Setting, Reel Motor Efficiency - Toro GREENSMASTER 3100 Service Manual

TEST HOOK UP NO. 4
Reel Drive Motor Flow
Reel Drive Relief Setting
Reel Motor Efficiency
Tester in series between pressure hose and motor fitting on suspected bad motor.
(Tester Flow Control Valve 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.
TEST A: REEL DRIVE MOTOR FLOW
PROCEDURE
Engine RPM 2800.
Mow pedal engaged.
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 rearward spool travel. If spool
position is good, remove relief cartridge and examine for contamination or wear.
®
Greensmaster 3100
TESTER CONNECTION:
TESTER
GR3100 WITH DANFOSS PUMP SHOWN.
MACHINES WITH PARKER PUMP USE
CENTER 3 PUMP SECTIONS FOR REEL
DRIVE CIRCUITS.
Rev. E
Page 4 - 33 Testing