V
W
Y
Z
L
M N
O
F
G
H
K
X
I
J
EDCBA
U
T
S
R
77
SJ40 T+, SJ45 T+ 238273AAA
M230135AB
AD
AD AD
AD
AD
AD
PORT PLUGS:
NOTE A - PLUGGED WHEN NO GENERATOR USED.
M
n 0.073"
DIESEL
OR DUAL
FUEL
ENGINE
PUMP DISPL
CONTROL
4H-15 = REVERSE
4H-16 = FORWARD
T2
POWER TRACK CARRIER ASSEMBLY
PORT #9
MOTOR DRAIN
PORT #6
2-SPD
PORT #8
DRIVE
REVERSE
PORT #7
DRIVE
FORWARD
PORT #3
AXLE PRESS.
PORT #2
AXLE LOCK
PORT #4
BRAKE
PORT #5
STEER LEFT
PORT #1
STEER RIGHT
A
B
S1
D2
OPTION - CE
TOP OF FLYBOOM - AT TIP
T4
T3
T1
T2
T5
T6
T8
T9
VIEW OF HYDRAULIC TANK PORT PHYSICAL LOCATIONS
BULKHEAD #1
RV9
RELIEF VALVE
2500 PSI
C1
MAIN BOOM LIFT
C2
FLY BOOM EXTENSION
C3
PLATFORM
LEVELING
MASTER CYLINDER
C4
PLATFORM
LEVELING
SLAVE CYLINDER
C5
JIB LIFT
RA1
PLATFORM ROTATE
MB3 JIB LIFT & PLATFORM ROTATE
MANIFOLD
45T ONLY
MB4 PLATFORM ROTATE MANIFOLD
40T ONLY
CB6
3000 PSI
3:1
CB7
3000 PSI
3:1
CB8
3500 PSI
1.5:1
CB9
3500 PSI
1.5:1
CB10
3300 PSI
3:1
CB11
3300 PSI
3:1
CB4
1000 PSI
3:1
CB5
1000 PSI
3:1
CB3
3000 PSI
1.5:1
CB1
1000 PSI
CB2
1000 PSI
12VDC
MOTOR
CV14
F1
PRESSURE FILTER
T3 T4
T5
T6
MB1 MAIN MANIFOLD
RA2
BOOM ROTATE
SWING DRIVE
SHUT-OFF VALVE
P2
SYSTEM PUMP
(28 CC/ 1.71 CIR)
3H-V1
PRESSURE
COMPENSATOR
3050 PSI
3H-V2
LOAD SENSE
COMPENSATOR
330 PSI
4H-37
RIGHT
4H-36
LEFT
4H-35
JIB UP
4H-34
JIB DOWN
4H-36
LEFT
4H-37
RIGHT
EPU
EMERGENCY
POWER UNIT
M1
DRIVE MOTOR
(17.5 CC/1.07 CIR)
(40.6 CC/2.48 CIR)
CB13
4800 PSI
12:1
C6/C7
AXLE LOCK-OUT
CYLINDERS
CB12
4800 PSI
12:1
C9
REAR AXLE SAHR
BRAKE CYLINDER
C8 (4WD)
FRONT AXLE
STEERING CYLINDER
QD1
M2
SV4
BR1
T1
OC1
OIL COOLER
F2
RETURN FILTER
T12
M2
MB2 BRAKE MANIFOLD
LS
AL
BRG
BR
T
M1
D
2SPD
3H-165
DIFF LOCK
VALVE
3H-65
AXLE
LOCKOUT
VALVE
3H-45A
2 SPEED
VALVE
3H-26
BRAKE
VALVE
V3
BRAKE
HAND
PUMP
PR1
PRESS.
REDUCING
VALVE
500 PSI
CV13
SV5
SV6
V1
BRAKE
RELEASE
OVERRIDE
OR6
V2
LOOP FLUSH
VALVE
G1
0-800 PSI
GAUGE
T8
PORT #10
DIFF LOCK
C10
REAR AXLE
DIFF LOCK
CYLINDER
V6
BYPASS
VALVE
RV8
3 13 PSI
C2
D2 A
B
ba
RV7
5000 PSI
(4500 PSI
FOR CE
D2.2
ENGINE)
P1A
CHARGE
PUMP
(13.8 CC/
0.84 CIR)
Mb
Ma SD1
C1
RV1
3350
PSI
RV2
1250
PSI
CV12
CV1
CV2
OR1
CV3
DSV1
CV4
4H-23A
RIGHT
4H-24A
LEFT
DCV1
SV1
4H-32
LEFT
4H-33
RIGHT
4H-14
UP
4H-13
DOWN
3H-38
IN
3H-39
OUT
RV4
1500
PSI
RV3
3000
PSI
DCV2
CV11
CV10
OR3 OR4
CV6CV5
DSV3DSV2
CV7 CV8
OR2
4H-40
DOWN
4H-41
UP
2H-42
FLOW
ENABLE
OR5
2H-21A
ENABLE
SV2
CV9
SBSA RBRA LA LB EA EB PLA PLB
BLS
P1
GP2
P2
GLS LS T
PP
GP1
V4
V5
RV11
3000
PSI
1
2 3
4
RV10
3000
PSI
MB1 MAIN MANIFOLD
MB6 PLATFORM LEVEL RELIEF
OPTION
CV21 CV22
RV6
5000 PSI
(4500 PSI
FOR CE
D2.2
ENGINE)
P1
DRIVE PUMP (EATON)
(40.6 CC/ 2.48 CIR)
(27.91 GPM@2600 RPM)
(32.21 GPM@3000 RPM)
(22.18 GPM @ 3000 RPM)
(19.22 GPM @ 2600 RPM)
L L1
X
S
P
2.5
1.5
175
Bore
Rod
Stroke
3.25
1.5
11.63
Bore
Rod
Stroke
2.5
1.6
29.5
Bore
Rod
Stroke
SAE06
SAE06
SAE04
SAE06
SAE06
SAE06
SAE06
12.06
1.5
3.75
Bore
Rod
Stroke
T
1A 1B 2A 2B
P1
1
2 4
3
SAE04
06SAE
06SAE
06SAE
06SAE
06SAE
06SAE
04SAE
04SAE
04SAE
04SAE
04SAE
12SAE
20SAE
10SAE
16SAE
12SAE
04SAE
04SAE
04SAE
04SAE
08SAE
12SAE
12SAE
12SAE
06SAE
04SAE
04SAE
06SAE
04SAE
06SAE
04SAE
12SAE
12SAE
08SAE
04SAE
04SAE
06SAE
06SAE
06SAE
06SAE
12SAE
12SAE
08SAE
04SAE04SAE
60
3
4.0
Bore
Rod
Stroke
2
1.25
2.75
Bore
Rod
Stroke
?
?
4.7
Stroke
Rod
Bore
06SAE
06SAE
06SAE
06SAE
2
1.25
2.75
Bore
Rod
Stroke
3.5
4.25
Stroke
Bore
3.5
4.25
Stroke
Bore
SAE 6 SAE 8 SAE 8 SAE 16
SAE 16SAE 16SAE 8 SAE 8 SAE 6
3.23 Hydraulic Schematic
3.23 Hydraulic Schematic
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