Schematic Drawing - Hydraulic

FormNo.3384-470RevA
Groundsmaster
®
4500-DTractionUnit
ModelNo.30873—SerialNo.314000001andUp
ModelNo.30881—SerialNo.314000001andUp
ModelNo.30881A—SerialNo.314000001andUp
HydraulicSchematic
1. FLOWS SHOWN ARE CALCULATED AT HIGH IDLE AND
95% PUMP EFFICIENCY UNLESS OTHERWISE NOTED
2.00" BORE 4.20" STROKE 0.630" ROD
1.500" BORE 7.00 STROKE 0.630" ROD
1.500" BORE 4.00 STROKE 0.630" ROD
1.500" BORE 3.50 STROKE 0.630" ROD
1.500" BORE 7.00 STROKE 0.630" ROD
1.500" BORE 3.50 STROKE 0.630" ROD
1050 psi
1600 psi
6
.2 GPM
1
1.4 GPM
3
500
PSI
3
500
PSI
1
500
PSI
1
500
PSI
P
1
P
2
T
1
G
1
P
RV1
P
RV2
L
C1
L
C2
M
1
M
2
M
3
M
4
T
R
V09
P
RV
S
1
C
V
F
D
P
2P
1
S
T
L
M
1 M
2
P
E
T
R
L
P
C
HG
G
1
C
2
T
S
R
V
S
5
T
2
F
RONT
CENTER
F
RONT
LEFT
F
RONT
RIGHT
R
EAR
RIGHT
R
EAR
LEFT
5
0/50 FLOW
DIVIDER
F
AN CONTROL
MANIFOLD
J
UNCTION
MANIFOLD
6
.1
CIR
R
V8
G
2
P
2
R
EAR
TRACTION
VALVE
4
350 PSI
3
0.5 GPM
1
.83 CID /
0.89 CID
PR
450 psi
RV
550 psi
.050
CV
T
P
2
M
8
C
H
O
R1
250 psi
5000 psi
E
NGINE IDLE
T4 - 2700 / 1200 RPM
EU - 2600 / 1200 RPM
2
.32 CID /
1.13 CID
2
00 psi
.030
O
R8
4
PSI
1
.83 CID /
0.89 CID
6
.2 GPM
1
1.4 GPM
1
.16
CID
1
.16
CID
1
.16
CID
1
.16
CID
1
.16
CID
5
0
PSI
.080
.030.030 .055
G
2
G
4
G
3
G
2
G
1
3
.1 GPM
3
.1 GPM
C
V
S
6
5
0
PSI
0
.56
CID
0
.56
CID
1
.03
CID
1
.03
CID
2
.75
CID
S
TEERING
CYLINDER
L
IFT
CYLINDERS
1
2
3
MOW/TRANSPOR
T
SOLENOID
FAN MOTOR
G025638
Sche m a tic —Hyd ra u lic
Mode ls 30873, 30881, a nd 30881A
S he e t 1 of 1 | DWG 125-4592 | Re v B
©2014—TheToro®Company,8111LyndaleAvenueSouth,Bloomington,MN55420
FormNo.3384-470RevA