Skyjack SJ519 TH, Service Manual, Page: 63 / 108

V
W
Y
Z
L M N
O
F
G H K
X
I J E D C B A
U
T
S
R
63
SJ519 TH 216942AC
T P
R L
L R
L R
FRONT AXLE
LS
BOOM UP / CARRIAGE UP
TELESCOPE IN / AUX. RET.
BOOM DOWN / CARRIAGE DOWN
TELESCOPE OUT / AUX. EXT.
3
4
1
2
A
P
3
2
P
T
1
4
FRONT AXLE
RCL
RCR
FCR ORBR
LA LB
CA CB
TA TB
AUXA AUXB
P1
P2 P2
QUICK CONNECT
PB
J3 DR1 J4 J2
J1
LB
LA
AUXB CA CB TA AUXA TB
RPP
4A
4B
4C
4D
3C
3B
3A
PS1
50 PSI
BRAKE SWITCH AND ROAD
LIGHT OPTION
RV1
3900
PSI
STEER
LS
P
STEER
P
RV2
3000 PSI
OR1
0.062"
OR2
0.035"
T
SP2
SP1
CON-F
JOY-S
SB
MOTOR
PUMP
CHARGE
EXT
RET
EXT RET
EXT RET
RV3
3000 PSI
T
RV4
3500 PSI
RV5
3500 PSI
A1
A2
B2
B1
C1
C2
1
3
2
TE TR
TE
TR
0.027"
GP2
GP3
V1
V2
V3
V4
GP1
FRONT STEER
CYLINDER
REAR STEER
CYLINDER
EXTENSION
CYLINDER
BORE: 2.36 in (60 mm)
ROD: 1.77 in (45 mm)
STROKE: 83.0 in (2110.2 mm)
SERVICE BRAKE
ACTUATOR
0-900 psi
QUICK
CONNECT/DISCONNECT
CYLINDER
(OPTIONAL)
SERVICE BRAKE
JOYSTICK
FUNCTION PORT
SIDE SHIFT
CARRIAGE
(OPTIONAL)
SIDE TILT
CARRIAGE
(OPTIONAL)
PARK BRAKE
LIFT
EXTENSION CARRIAGE
AUXILIARY
320psi DEPENDS ON
THE PROP. VALVE
TANK
FILLER
FILTER
10u RETURN
FILTER
1 PSI
PRESSURE
RELIEF
MANIFOLD
MANIFOLD
10u CHARGE
FILTER
TANK ASM, HYDRAULIC
FORK TILT
CYLINDER
BORE: 4.92 in (125 mm)
ROD: 1.77 in (60 mm)
STROKE: 12.0 in (307 mm)
TILT COMPENSATION
CYLINDER
BORE: 3.74 in (95 mm)
ROD: 1.97 in (50 mm)
STROKE 12.68 (322 mm)
LIFT
CYLINDER
BORE: 4.33 in (110 mm)
ROD: 2.76 in (70 mm)
STROKE 34.26 in (870.3 mm)
COOLER, OIL -
12V 3.0L W/
SWITCH
STEER SELECT
VALVE
CB4
C9
C1
C4
C5
C6
JS1
V12
PC2
STEERING
CONTROL UNIT
160 CC/9.76 CIR
SAE 06
SAE
04
SAE
08
SAE
08
PO CHECK
3:1
PO CHECK
3:1
PC1
SAE
08
SAE
08
SAE 06
SAE 06
SAE 06
SAE 06
SAE
04
SAE
08
SAE
08
CB3
C2
C3
SAE
08
SAE
08
SAE
08
SAE
08
SAE 08
SAE 08
C12
SAE
04
CRAB STEER
4H-217
4W STEER
4H-218
3H-26
PARK BRAKE
V5
CB1
6H-245B
22GPM
DIVERTER VALVE
ON BOOM NEAR CARRIAGE
PRV1
CB5
5000 PSI
2:1 T2A
CAEL LGN-5000
5000 PSI
PRIMARY 6.1:1
SECONDARY 0.5:1
1CEL140-F-30S
240/110
F2
SAE
16
F1 - remote
filter
M1 DRIVE MOTOR
(105 CC/6.41 CIR) MAX.
(36 CC/2.21 CIR) MIN.
L
A
B
4H-59A
HIGH/LOW SPEED
V5
E
MIN
MAX
U
3
1
2
4
C1 C2
V1 V2
CARRIAGE UP
4H-47
CARRIAGE DOWN
4H-47-1
AUX RIGHT
4H-237A-1
AUX LEFT
4H-237A
CONT AUX FWD
3H-233
CONT AUX REV
3H-234
RV14
2000 PSI
SAE12
SAE 16
SAE 16
SAE04
JIC TO METRIC14
SAE10 SAE10
SAE10
SAE12
SAE04
SAE04
SAE04 SAE04
SAE06
SAE04 SAE04
SAE04 SAE04
SAE06
SAE04
SAE 08
(3000)PSI
3:1 T-11A
CBCA-LHN-3700
F3
SAE 06
SAE04
SAE06/04
SAE04
SAE 06
SAE10
E H
P1A
CHARGE PUMP
(17.4 CC/1.06 CIR)
(12 GPM@2600 RPM)
P1
DRIVE PUMP
(64 CC/ 3.88 CIR)
(42 GPM@2600 RPM)
E
RV9
7000 PSI
PUMP DIRECTION
CONTROL 4H-15 =
REVERSE
4H-16 = FORWARD
(20.6 GPM @ 2600 RPM)
SYSTEM PUMP
P2
RV10
7000 PSI
B
A F
RV6
348 PSI
SAE12
0.052"
P
SAE16 SAE20
M
W
P
N
K
J
SAE12
SAE10
RV8
6500 PSI
1200-2600 RPM
CB2
3000 PSI
4.5:1 T2A
CBEG-LJN-3000
SAE10
SAE12
SAE12
M
RV7
6500 PSI
(30 CC/ 1.83 CIR)
SAE12
ORB1
0.079"
RV13
203 PSI
5000 PSI
PRIMARY 6.1:1
SECONDARY 0.5:1
1CEL140-F-30S
240/110
SAE
10
SAE
10
RV15
2900 PSI
RV16
2900 PSI
OR3
0.047"
SAE 04
RV11
600 PSI
RV12
600 PSI
PT1
PT2
EC1
MB1
MB2
3000 PSI
PRIMARY 4:1
SECONDARY 0.5:1
1SEL90-F-20S 150/60
3.22 Hydraulic Schematic
3.22 Hydraulic Schematic
M205220AB