Test No. 3: Charge Relief Valve (R4) Pressure (Using Tester With Flowmeter And Pres - Toro Greensmaster 3150 Service Manual

TEST NO. 3: Charge Relief Valve (R4) Pressure (Using Tester with Flowmeter and Pres-

sure Gauges)
TRACTION WHEEL MOTORS
REAR WHEEL (3WD)
TOP
A
R4
BLEED
VALVE
Hydraulic System
M5
M4
OPTIONAL
3WD
MOTOR
DUMP
BOTTOM
VALVE
B
PRESSURE
200–250
PSI
P3
HYDROSTAT
FROM LIFT
CIRCUIT
GAUGE
ENGINE
Page 4 – 26 Rev. A
PUMP (P3)
CHARGE PORT
TO REEL MOTOR
CIRCUIT
P2
P1
RPM
GEAR PUMP
High Pressure
Low Pressure
Return or Suction
Flow
Greensmaster 3150
TO STEERING
AND LIFT
CIRCUITS