Service Manual

PTOReliefPressure(UsingTesterwithPressureGaugeandFlow
Meter)
CENTER DECK PTO RELIEF PRESSURE TEST SHOWN
3.3 GPM
14.3 GPM
14.3 GPM
1.17 CID
3000 PSI
P1
P1
P1
P2
P2
P2
M1 M2
LC1
PRV
PD
CD
RV
2000 PSI
M1 M2
LC1
PRV
PD
RV
3000 PSI
M1 M2
LC1
PRV
PD
RV
CD
CD
LEFT DECK
CENTER DECK
RIGHT DECK
50 PSI
1.17 CID
1.17 CID
250 PSI
600 PSI
600 PSI
600 PSI
4350 PSI
5000 PSI
.025
.025
.025
.0315
.0315
0.4
CID
0.3 1.29 1.29
CID CID CID
2.75
CID
ENGINE
G
G G
GG
G
G
CONTROL VALVE
FROM STEERING
TO COMBINATION MANIFOLD
TO
COMBINATION
MANIFOLD
FROM COMBINATION MANIFOLD
TO RESERVOIR
FROM MANIFOLD
AND FAN MOTOR
FROM REAR
TRACTION MANIFOLD
FROM CENTER
DECK MANIFOLD
FROM REAR AXLE MOTOR
TESTER
TO TRACTION
MOTORS
30.5 GPM
g304431
Figure72
ThePTOcircuitreliefpressuretestshouldbeperformedtomakesurethatthe
PTOcircuitreliefpressuresarecorrect.
Groundsmaster
®
4100-D&4110-D
Page5–59
HydraulicSystem:Testing
13203SLRevF