Toro Greensmaster TriFlex 3400 - Wheel Motor Efficiency Test

Greensmaster 3300/3400Hydraulic System Page 5 -- 38
Wheel Motor Efficiency Test (Using Tester with Flowmeter and Pressure Gauge)
ENGINE
GEAR
C
3000
PSI
10.3
RIGHT
AB
AB
.33
.58
1.44
110 - - 150
PSI
G1
G2
A
B
BA
TOP
PORT
BOTTOM
PORT
BACK PORT
C1
HYDROSTAT
BYPASS
VALVE
1.9 GPM
70 to
MOW = 6.7 GPM AT 3.8 MPH
TRANSPORT = 17.5 GPM AT 10 MPH
PSI
OPTIONAL 3WD
FRONT PORT
10.3
20.6
3000
PSI
PUMP
100
MOTOR
LEFT
MOTOR
HYDRAULIC
RESERVOIR
FROM
POWER STEERING AND
LIFT CONTROL VALVES
FROM
STEERING VALVE
TO POWER
CONTROL VALVE
TO MOW
TESTER
CAP
CAP
UPPER
PUMP
PUMP FROM GREENSMASTER 3300
PISTON
FITTING
PUMP FROM GREENSMASTER 3400
UPPER
PUMP
PISTON
FITTING
FRONTFRONT
WHEEL MOTOR EFFICIENCY TEST FOR
RIGHT FRONT WHEEL MOTOR SHOWN
NOTE: Over a period of time, a wheel motor can wear
internally.Awornmotormayby--passoiltoitscasedrain
causing the motor to be less efficient. Eventually,
enoughoil losswill causethewheelmotorto stallunder
heavyloadconditions.Continuedoperationw ithaworn,
inefficient motor can generate excessive heat, cause
damageto sealsandother componentsinthehydraulic
system and affect overall machine performance.
Procedure for Wheel Motor Efficiency
Test:
1. Make sure hydraulic oil is at normal operating tem-
peraturebyoperatingthemachineforapproximatelyten
(10) minutes. Make sure the hydraulic tank is full.
2. Parkmachineonalevelsurfacewiththecuttingunits
lowered andoff.Make sure engineis off.Make surethe
hydraulic tank is full.