Part No. 1268494 S-100 • S-105 • S-120 • S-125
6-63
March 2017
Section 6 • Schematics
Hydraulic Schematic, S-120 • S-125 Models
(from serial number 431 to serial number 1194)
BF
BB
BG
BM
BJ
BL
BK
BE
BP
BI
BC
BD
BH
BN
BA
BO
BQ
BR
TRL
TRR
UP
DWN
EXT
EXT
1-2
1-2
0-1
EXT
1-2
RET
0-1
RET
LS
A
Ma
X1
X2
R
T1
T2
S
B
Ps
Mb
b
a
Fa
Fe
OIL COOLER
TP3
P3A
P2A
TP2-4
TP-4
AF
T1
AB
P1
AG
P2
AC
AE
T3
P2 OUT
AD
AA
T2
P3
C
B
A
HIGH
PSI
PSI
3
PSI
290
3
CHARGE FILTER
E
PSI
4250
PSI
4250
87
PSI
100
PSI
PRESS
FILTERS
PSI
25
25
PSI
M
PSI
100
25 PSI
E
E
A
B
G
G
F
G
H
17
6
10
1.7
.3
FUNCTION MANIFOLD
HYDRAULIC SWIVEL
PRIMARY LIFT
TURNTABLE ROTATE
PRIMARY 1 EXT.
PRIMARY 2 EXT.
3 GPM
11 GPM / 5 GPM
18 GPM / 6 GPM
18 GPM / 5 GPM
2600 psi
0.1GPM
1800psi
.040 DIA
TANK
PUMP
AUX.
3000 psi
ES
EA
EB
EO
EP
EZ
EQ
EV
ENN
EJJ
EK
ER
EW
EKK
EM
EII
EX
EY
P
LS
P1
EG
EH
ET
EOO
EPP
EE
ED
EC
EJ
EU
ELL
EMM
FLR
T1
T
FLB
FRB
FRR
FAE
FAR
RAE
RAR
RLR
RLB
RRB
RRR
TP
EQQ
I
D
I
D
FOUR WHEEL STEER MANIFOLD
FRONT AXLE
EXTENSION
REAR AXLE
EXTENSION
FRONT LEFT
STEERING
FRONT RIGHT
STEERING
REAR RIGHT STEERING
REAR LEFT STEERING
1.40
3000 psi
0.1GPM
GPM
2.00
GPM
2.00
GPM
1.40
GPM
GPM
1.40
GPM
2.00
GPM
1.40
2.00
GPM
1800 psi
Drive Pump changed
to 9 GPM at
Serial No. 1029
2 SPD
2 SPD
Manifold relief valve
EZ was removed at
Serial No. 522
BRAKE
TANK
BRAKE
TEST
LA
LB
RA
RB
FRB
FRA
FLB
FLA
A
B
B
A
DO
DA
DE
DD
DF
DL
DC
DB
DG
DH
DI
DK
DJ
DM
DN
JD
JA
JB
JC
JF
JE
B
A
LS
P1
DP
LEFT
REAR
RIGHT
REAR
4 WHEEL DRIVE
MANIFOLD
LEFT
RIGHT
FRONT
FRONT
OPTION
AUXILIARY
50%
50%
50%
50%
50%
0.030
250 PSI
50%
0.1GPM
DRIVE
2.0 GP
M
2.0 GP
M
2.7 GPM
5
2A
1
4
3
A
B
C
D
E
F
G
H
I
J
K
COUNTERBALANCE VALVE
RATIO
PRESS
5000 PSI
5000 PSI
3500 PSI
3000 PSI
900 PSI
600 PSI
5:1
4.5:1
1.5:1
3:1
3:1
3:1
3000 PSI
4.5:1
3200 PSI
3:1
3:1
2200 PSI
1.5:1
2000 PSI
600 PSI
1:1
CL
JU
T1
TEST
P1
CE
3 gpm
T
P
3 gpm
CO
CD
CA
CB
CC
CM
CI
CP
CF
CJ
CH
CG
PRL
PRR
PL
D
PLU
LS
CN
CQ
CK
JD
D
D
C
J
D
D
PLATFORM MANIFOLD
S-125
0.030
0.030
0.1GPM
0.3 GPM
PLA
TFORM ROT
A
T
E
0.63 GPM
PLA
TFORM LEVE
L
500 psi
4.6 in.cu.
1.25 GPM / 0.75
GP
M
JIB
TEST
P1
T1
LS
PLU
3 gpm
P
GE
GI
PRL
PRR
PLD
T
3 gpm
GD
GB
GC
GA
GO
GF
GJ
GG
GH
GQ
D
D
C
J
PLATFORM LEVEL
PLATFORM ROTATE
0.47 GPM
0.3 GPM
500 psi
0.030
0.030
4.6 in.cu.
PLATFORM MANIFOLD
S-120
2B
5
1
4
3
2
Primary extension
CB valve ratio changed
to ‘K’ at Serial No. 562
230 psi
Valve BP changed from
110 psi to 230 psi
at Serial No. 575
30 PSI
BS
Check valve BS
added at
Serial No. 575
Hydraulic Swivel
numbered at
Serial No. 1032
Oil Cooler location
after Serial No. 984
OIL COOLER
25 PSI
Oil Cooler location
before Serial No. 985
Note: 'alpha' callouts refer
to components shown in the
manifold illustrations.
Refer to the Repair Section.
Summary of Contents for S-100
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