Toro Greensmaster 3250-D 04383 Service Manual page 78

Gear Pump (P2) Flow and Implement Relief Valve (R5) Pressure Tests (Using Tester with
Flowmeter and Pressure Gauge)
PUMP DISCHARGE FITTING
FROM LIFT
CIRCUIT
TO TRACTION
CHARGE CIRCUIT
SCHEMATIC FROM MACHINE
WITH SERIAL NUMBER
UNDER 220999999 SHOWN
Procedure for Gear Pump (P2) Flow Test
1. Make sure hydraulic oil is at normal operating tem-
perature by operating the machine for approximately ten
(10) minutes.
Hydraulic System (Rev. I)
PHOTO SHOWS RELIEF VALVE (R5) AS USED IN
MACHINES WITH SERIAL NUMBER UNDER 220999999
TO REEL MOTOR
CIRCUIT
R5
ENGINE
RPM
FROM HYDROSTAT
2. Park machine on a level surface with the cutting
units lowered. Make sure engine is off and the parking
brake is engaged. Make sure the hydraulic tank is full.
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RELIEF VALVE (R5)
P1 P2
Rev. J Greensmaster 3250--D
TO STEERING AND
LIFT CIRCUITS
GEAR PUMP
High Pressure
Low Pressure
Return or Suction
Flow