Toro Greensmaster TriFlex 3320/3420 Service Manual page 86

Piston (Traction) Pump Flow Test (Using Tester with Flowmeter and Pressure Gauge)
TO POWER
STEERING VALVE
TO
HYDRAULIC
RESERVOIR
110 -- 150
1.44
.33
GEAR
PUMP
FROM
MOW = 6.7 GPM AT 3.8 MPH
HYDRAULIC
TRANSPORT = 17.5 GPM AT 10 MPH
RESERVOIR
PUMP FROM GREENSMASTER 3320
UPPER
FITTING
FRONT
Hydraulic System
FROM
POWER STEERING AND
LIFT CONTROL VALVES
C
3000
PSI
PSI
3000
PSI
PISTON
PUMP
HYDROSTAT
A
70 to
G2
100
PSI
1.9 GPM
G1
B
C1
BOTTOM
PORT
BYPASS
VALVE
PUMP FROM GREENSMASTER 3420
UPPER
FITTING
FRONT
Page 5 - - 32
TESTER
TOP
PORT
10.3
ENGINE
20.6
B A
OPTIONAL 3WD
Greensmaster 3320/3420
10.3
PISTON
PUMP