Hydraulic Schematic - Skyjack SJ82 T Service Manual

Telescopic booms
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3.32 Hydraulic Schematic

A
B
C
OPTION - 12000 WATT GENERATOR (WELDER OPTION)
OR
OPTION - 7500 WATT GENERATOR (AS ONLY)
CV19
OUT
IN
SAE16
M4
SAE08
GEN
T10
OPTION - 3500 WATT, 110V GENERATOR
CV16
TO OC1
SAE 10
OUT
IN
M3
GEN
SAE 06
T10
SAE 16
MB2 BRAKE MANIFOLD
OC1
OIL COOLER
SV2
V8
LOOP FLUSH
VALVE
PR1
PRESS.
OR9
REDUCING
F2
RETURN FILTER
VALVE
500 PSI
T11
168642 BRAKE
VALVE ASSY
3H-65
3H-165
DIFF LOCK
AXLE
SV1
VALVE
LOCKOUT
VALVE
3H-26
3H-45A
BRAKE
2 SPEED
VALVE
VALVE
V1
BRAKE
RELEASE
V3
OVERRIDE
BRAKE
HAND
PUMP
T
2-SPD
SAE 06
T4
M167056AA
SJ82 T, SJ86 T
D
E
F
C3
PLATFORM LEVELING
MASTER CYLINDER
M
OR11
T
CV18
CV17
LS
SAE04
PLA
PLB
LP
SAE12
MB6
GENERATOR
CONTROL
VALVE
2H-85
P
SAE16
P1
SV3
CV20
P2
8 GPM
SAE08
0.028"
OR10
CV9
CV10
MB5
GENERATOR
2H-85
CONTROL
VALVE
P3
5H-41
5H-40
UP
DOWN
OR2
n
0.055
CV11
CV12
PP
2H-42
FLOW
ENABLE
VALVE
T2
SAE 16
T1
LS2
MB1 MAIN MANIFOLD
M2
CV15
2
G1
1
0-800
PSI
GAUGE
MB7
3
PR2
PRESSURE
REDUCING
VALVE
400 PSI
T9
PUMP DISPL
CONTROL
4H-15 = REVERSE
4H-16 = FORWARD
a
b
Mb
C2
C1
A
SAE 6
SAE 8
SAE 8
SAE 16
V6
RV6
BYPASS
5000 PSI
VALVE
E
P1A
CHARGE
PUMP
(13.8 CC/
RV5
0.84 CIR)
P1
5000 PSI
DRIVE PUMP
RV7
3 1 3 PSI
(40.6 CC/ 2.48 CIR)
(28.7 GPM @ 2675 RPM)
SAE 8
SAE 8
SAE 6
SAE 16
SAE 16
L
L1
D1
D2
Ma
S
B
SAE 04
T6
T2
T8
G
H
I
BOOM MANIFOLD
POWER TRACK CARRIER ASSEMBLY
SAE06
SAE06
SAE06
SAE06
SAE06
SAE06
SAE06
SAE06
SAE06
SAE06
C2
BOOM ROTATE SWING
BOOM EXTENSION
T3
DRIVE
C1
MAIN BOOM LIFT
BORE-3.93
ROD-2.95
BORE-3.93
BR1
STROKE-255
ROD-2.75
BORE-7.48
CB1
STROKE-12.63
ROD-3.93
800 PSI
STROKE-84.06
CB5
CB4
3000 PSI
3000 PSI
3:1
3:1
CB3
CB14
3000 PSI
1800 PSI
3:1
3:1
SV4
EA
EB
LA
LB
RA
2H-19
RV4
1500 PSI
LIFT
RV3
CUSHION
V5
V4
3000 PSI
V7
V6
n
0.020
n
0.020
n
0.020
n
0.020
OR3
OR4
5H-33
OR5
OR6
RIGHT
4H-38
4H-14
4H-13
4H-39
UP
IN
OUT
DOWN
OR8
n
0.035
DSV1
CV6
CV7
DSV3
DSV2
CV8
FR1
2H-21A
DUMP
VALVE
BLS
GLS
WITH GENERATOR
X
SAE 04
3H-V2
LOAD SENSE
COMPENSATOR
CV14
290 PSI
RV8
RELIEF VALVE
3H-V1
F1
3400 PSI
PRESSURE
PRESSURE FILTER
COMPENSATOR
2950 PSI
P
SAE 16
P2
EPU
SYSTEM PUMP
EMERGENCY
(49 CC/ 3.00 CIR)
POWER UNIT
3.02 CC/REV
(34.74 GPM @ 2675 RPM)
12VDC
S
M
SAE 24
MOTOR
T1
T4
J
K
L
RA2
M2 (100cc)
CB2
800 PSI
BORE-3.93
ROD-2.75
STROKE-12.63
CB6
3000 PSI
3:1
RB
SA
SB
CV5
CV4
5H-32
LEFT
5H-23A
5H-24A
RIGHT
LEFT
OR1
CV3
n
0.090
RV2
1750 PSI
LS1
GP2
CV1
P1
P2
CV2
RV1
3200 PSI
GP1
OPTION - CE
QD1
PORT #1
SAE 06
SAE 06
STEER RIGHT
PORT #5
SAE 06
SAE 06
STEER LEFT
PORT #10
SAE 06
SAE 04
DIFF LOCK
PORT #4
SAE 06
SAE 06
BRAKE
PORT #2
SAE 06
SAE 04
AXLE LOCK
PORT #3
SAE 06
SAE 06
AXLE PRESS.
PORT #6
SAE 06
SAE 04
2-SPD
PORT #8
SAE 12
SAE 12
DRIVE REVERSE
PORT #7
SAE 12
SAE 12
DRIVE FORWARD
PORT #9
SAE 10
SAE 10
MOTOR DRAIN
T5
T11
T9
T10
T7
T8
T5
T6
T3
T4
T2
T1
VIEW OF HYDRAULIC TANK PORT PHYSICAL LOCATIONS
M
N
O
C4
C5
PLATFORM LEVELING
JIB LIFT
RA1
RA3
SLAVE CYLINDER
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
3:1
3:1
0.028"
0.028"
E
R
BULKHEAD #2
BULKHEAD #3
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
4A
MB3 JIB LIFT & PLATFORM ROTATE
MANIFOLD
2
4
4H-37
4H-36
RIGHT
LEFT
3
1
MB4 PLATFORM ROTATE MANIFOLD
(NO JIB OPTION)
BULKHEAD LOCATIONS
#1 - SIDE OF MAIN BOOM.
#2 - ON NO-JIB MOUNTING BRACKET
#3 - TOP OF FLYBOOM - AT TIP
C8 (4WD)
FRONT AXLE
STEERING CYLINDER
BORE-3.06
ROD-
STROKE-4.31
C11: REAR AXLE
DIFF. LOCK CYLINDER
C10
REAR AXLE SAHR
BRAKE CYLINDER
C9
FRONT AXLE SAHR
BRAKE CYLINDER
CB12
5000 PSI
SAE04
10:1
BORE-4.50
SAE06
ROD-4.50
STROKE-2.18
C6/C7
AXLE LOCK-OUT
CYLINDERS
BORE-4.50
ROD-4.50
SAE06
STROKE-2.18
CB13
SAE04
5000 PSI
10:1
M1-B
A
B
DRIVE MOTOR
(14.7 CC/0.90 CIR)
(40.6 CC/2.48 CIR)
D2
D2
S1
S1
M1-A
B
A
DRIVE MOTOR
(14.7 CC/0.90 CIR)
(40.6 CC/2.48 CIR)
3.32 Hydraulic Schematic
229040ABA
R
S
T
U
V
W
X
Y
Z
89

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