Hydraulic Schematic - Skyjack SJ85 AJ Service Manual

Articulating boom
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3.22 Hydraulic Schematic

A
B
C
SAE 10
CV25
SAE 06
M5
P1
T7
2H-85
P2
OPTION - 7500 WATT GENERATOR, 240 VOLT
(AUSTRALIA ONLY)
OPTION - 12000 WATT GENERATOR (WELDER OPTION)
M
OR11
T
CV22
CV21
SAE 10
OUT
IN
SAE12
M4
GEN
SAE08
2H-85
P
T7
OPTION - 3500 WATT, 110V GENERATOR
CV19
P1
TO OC1
8 GPM
SAE 10
OUT
IN
SAE08
M3
OR10
GEN
SAE 06
T7
2H-85
P3
SAE 16
OC1
MB2 BRAKE MANIFOLD
OIL COOLER
M1
M2
198104 BRAKE
SV2
VALVE ASSY
V8
LOOP FLUSH
VALVE
PR1
PRESS.
OR9
REDUCING
F2
RETURN FILTER
VALVE
420PSI
T8
3H-65
AXLE
LOCKOUT
VALVE
3H-165
DIFF LOCK
SV1
VALVE
3H-26
BRAKE
VALVE
G1
0-800 PSI
3H-45A
GAUGE
2 SPEED
VALVE
V1
BRAKE
RELEASE
V3
OVERRIDE
BRAKE
HAND
PUMP
T
2-SPD
SAE 06
T4
DRIVE PUMP
(40.6 CC/ 2.48 CIR)
(28.7 GPM @ 2675 RPM)
M198217AJ
SJ85 AJ
D
E
F
C3
PLATFORM LEVELING
OR12
MASTER CYLINDER
BORE-3.93
ROD-2.75
CV24
STROKE-12.63
MB7
SAE 04
TO LS
PLA
PLB
198103 MAIN
VALVE ASSY
CV20
LS
LP
MB6
CV8
GENERATOR
CONTROL
VALVE
CV9
RV3
CV23
P2
3000 PSI
0.028"
CV5
CV6
MB5
GENERATOR
PLATFORM
CONTROL
VALVE
LEVEL
5H-41
5H-40
UP
DOWN
FLOW
OR2
ENABLE
CV15
DSV2
VALVE
2H-42C
P
CV26
CV18
2H-21A
SAE 16
PT
CV7
60 PSI
LS2
MB1 MAIN MANIFOLD
WITH GENERATOR
PUMP DISPL
CONTROL
4H-15 = REVERSE
4H-16 = FORWARD
X
SAE 04
a
b
3H-V2
LOAD SENSE
Mb
C2
C1
A
COMPENSATOR
290 PSI
SAE 6
SAE 8
SAE 8
SAE 16
3H-V1
PRESSURE
V6
RV6
BYPASS
COMPENSATOR
2950 PSI
5000 PSI
VALVE
P
SAE 16
P2
SYSTEM PUMP
E
(49 CC/ 3.00 CIR)
P1A
(34.74 GPM @ 2675 RPM)
CHARGE
PUMP
(13.8 CC/
RV5
0.84 CIR)
P1
5000 PSI
S
RV7
SAE 24
3 1 3 PSI
SAE 8
SAE 8
SAE 6
SAE 16
SAE 16
L
L1
D1
D2
Ma
S
B
SAE 04
T4
T2
T6
T1
G
H
I
POWER TRACK CARRIER ASSEMBLY
SAE06
SAE06
SAE06
SAE06
SAE06
SAE06
SAE06
SAE06
SAE06
SAE06
C12
C13
RISER
RISER
C2
BOOM EXTENSION
C1
MAIN BOOM LIFT
BORE-3.93
ROD-2.95
STROKE-255
BORE-7.48
ROD-3.93
STROKE-84.06
CB5
CB4
3000 PSI
3000 PSI
3:1
3:1
CB3
CB14
4000 PSI
2200 PSI
1.5:1
3:1
CB16
3500 PSI
1.5:1
SAE08
SAE08
EA
EB
LA
LBP
LB
RSA
RSB
PR2
SV4
80 PSI
CV17
RV5
2500 PSI
RV6
CV16
SV3
2000 PSI
V4
V5
V2
V6
4H-30
4H-31
RISER
RISER
DOWN
UP
n
0.020
n
0.020
n
0.020
n
0.020
OR5
OR6
OR3
OR4
4H-38
4H-39
4H-14
4H-13
IN
OUT
UP
DOWN
DSV4
CV13
DSV3
CV14
RV4
FR1
3100
DUMP
VALVE
PSI
BLS
GLS
CV14
RV8
RELIEF VALVE
F1
3400 PSI
PRESSURE FILTER
EPU
EMERGENCY
POWER UNIT
3.02 CC/REV
12VDC
M
MOTOR
T3
VIEW OF HYDRAULIC TANK PORT PHYSICAL LOCATIONS
J
K
L
C4
PLATFORM LEVELING
SLAVE CYLINDER
BORE-3.93
ROD-2.75
STROKE-12.63
CB6
3000 PSI
3:1
RA2
BOOM ROTATE SWING
DRIVE
BULKHEAD #3
M2 (100cc)
BR1
CB1
CB2
800 PSI
800 PSI
SV5
CB15
3500 PSI
1.5:1
RA
RB
SA
SB
CV3
CV4
5H-33
5H-32
ROTATE
ROTATE
RIGHT
LEFT
5H-24A
5H-23A
STEER
STEER
RIGHT
LEFT
OR1
CV10
n
0.090
DSV1
RV2
1750 PSI
CV12
CV11
LS1
CV2
P1
GP1
P2
RV1
CV1
3200 PSI
T
PORT #1
SAE 06
STEER RIGHT
PORT #5
SAE 06
STEER LEFT
PORT #10
SAE 06
DIFF LOCK
PORT #4
SAE 06
BRAKE
PORT #2
SAE 06
AXLE LOCK
PORT #3
SAE 06
AXLE PRESS.
PORT #6
SAE 06
2-SPD
PORT #8
SAE 12
DRIVE REVERSE
PORT #7
SAE 12
DRIVE FORWARD
PORT #9
SAE 10
MOTOR DRAIN
T5
T8
T7
T5
T6
T3
T4
T2
T1
M
N
O
C5
JIB LIFT
RA1
RA3
PLATFORM
PLATFORM ROTATE(NO
ROTATE(JIB)
JIB)
DISPL-243CC
CB10
CB11
BORE-2.75
3300 PSI
3300 PSI
ROD-1.50
3:1
3:1
STROKE-29.44
CB7
CB8
CB9
3000 PSI
3000 PSI
3000 PSI
3:1
1.5:1
1.5:1
0.028"
0.028"
E
R
BULKHEAD #2
2B
1B
2A
1A
4H-35
4H-34
4H-37
4H-36
JIB UP
JIB DOWN
RIGHT
LEFT
E
S2
S1
S2
S1
3B
3B
FR1
4A
MB3 JIB LIFT & PLATFORM ROTATE
MANIFOLD
BULKHEAD LOCATIONS
#1 - TOP OF FLYBOOM - AT TIP
C8 (4WD)
FRONT AXLE
STEERING CYLINDER
BORE-3.06
ROD-
STROKE-4.31
C11: REAR AXLE
DIFF. LOCK CYLINDER
SAE 06
SAE 06
C10
REAR AXLE SAHR
BRAKE CYLINDER
SAE 04
C9
SAE 06
FRONT AXLE SAHR
BRAKE CYLINDER
SAE 04
CB12
SAE 06
SAE 04
4800 PSI
12:1
BORE-4.50
SAE 04
SAE 06
ROD-4.50
STROKE-2.18
SAE 12
C6/C7
AXLE LOCK-OUT
CYLINDERS
SAE 12
BORE-4.50
SAE 10
SAE 06
ROD-4.50
STROKE-2.18
CB13
SAE 04
4800 PSI
12:1
A
B
M1-B
DRIVE MOTOR
(14.7 CC/0.90 CIR)
(40.6 CC/2.48 CIR)
S1
D2
S1
D2
M1-A
B
A
DRIVE MOTOR
(14.7 CC/0.90 CIR)
(40.6 CC/2.48 CIR)
3.22 Hydraulic Schematic
R
S
T
U
V
W
X
Y
Z
229044ADA
77

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