Service Manual

Lift/LowerCircuitReliefPressure(UsingPressureGauge)
S10
RV1
CV1
S2
S4
S5
PRV
P4 CH2 P3
EC
CF
LS
S3
OR1
C3
OR4
.040
S6
OR5
.070
C4 C2 C5
RV2
S7
S9
S8
C6
M1
M2
CH1
CV3
CH4
OR2
.063
OR6
.063
OR3
.070
OR7
.070
T 2SPCH3
G2 G4
CV4
PR
G1
G3
3250
PSI
1350
PSI
3.3 GPM
4.4 GPM
14.3 GPM
4 PSI
4 PSI
.030
OR9
S1
3300 PSI
RV3
S12
14.3 GPM
S11
CV2
4 PSI
6.1 CID
EP
L
R
T
STEERING CYLINDER
0.51 CID
1.125” ROD
PR
380 PSI
RV
650 PSI
.050
CV
T
P2
M8
CH
OR1
250 PSI
2.14 CID /
1.16 CID
.030”
200 PSI
4350 PSI
5000 PSI
.0315 .0315
0.4
CID
0.3 1.29 1.29
CID CID CID
2.75
CID
REAR
TRACTION
MANIFOLD
ENGINE
30.5
GPM
1.2 CID / 0.64 CID
1.2 CID / 0.64 CID
80
PSI
60
PSI
310
PSI
2.50” BORE
6.50” STROKE
1.50” BORE
3.08” STROKE
RAM CYLINDERS
CENTER DECK
1.125” ROD
2.50” BORE
6.50” STROKE
2.00” BORE
4.20” STROKE
0.625” ROD
GG
G
GG
G
COMBINATION MANIFOLD
STEERING
CONTROL
VALVE
RIGHT DECK
LEFT DECK
EXTENDED
PRESSURE
GAUGE
FROM
PTO MANIFOLD CENTER DECK FROM OIL FILTER TO PTO MANIFOLD
LEFT DECK
TO
PTO MANIFOLD
CENTER DECK FROM LEFT AND PTO MANIFOLDS RIGHT DECK
TO PTO MANIFOLD CENTER DECK
LEFT WING DECK LIFT SWITCH PRESSED IS SHOWN
FULLY
2500 PSI
g304433
Figure78
Thelift/lowercircuitreliefpressuretestshouldbeperformedtomakesurethat
thecuttingunitliftandlowercircuitreliefpressureiscorrect.
Groundsmaster
®
4100-D&4110-D
Page5–65
HydraulicSystem:Testing
13203SLRevF