Skyjack SJ 4632 - Hydraulic Schematic (Models 46 Xx)

SJIII Conventional Series
143911
SKYJACK, Page 22
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3.13 Hydraulic Schematic (Models 46xx)
M137018AD1
M4
RIGHT DRIVE
MOTOR/BRAKE
CB1
COUNTERBALANCE VALVE
4H-15
REVERSE DRIVE
VALVE
3H-18A-1
SPEED VALVE A
4H-16
FORWARD DRIVE
VALVE
OPTIONAL POWERED
EXTENSION DECK (SJ3D 3220/4620)
MB5 P. DECK
MANIFOLD BLOCK
4H-27
RETRACT
PLATFORM
VALVE
T
B
P
A
DCM1
DC MOTOR
M
RESERVOIR
P1
HYDRAULIC
PUMP
F1
RETURN
FILTER
2H-59
PRESSURE-
COMPENSATED
PROPORTIONAL
VALVE
4H-26
EXTEND
PLATFORM
VALVE
R1
SYSTEM RELIEF
VALVE
T
B
C5 P.DECK
CYLINDER
OPTIONAL POWERED
EXTENSION DECK (SJ3D 4626)
4H-27
RETRACT
PLATFORM
VALVE
MB5 P. DECK
MANIFOLD BLOCK
C5 P.DECK
CYLINDER
B
T
P
A
C5 P.DECK
CYLINDER
O7
BRAKE ONE-WAY
ORIFICE Ø.020
4H-26
EXTEND
PLATFORM
VALVE
MB9
PR0PORTIONAL
MANIFOLD
BLOCK
M3
LEFT DRIVE
MOTOR/BRAKE
3H-17A
BRAKE VALVE
P
A
CASE DRAIN
3H-18A-2
SPEED VALVE B
P2
HAND PUMP
MB7
BRAKE RELEASE
MANIFOLD BLOCK
V3
AUTO RESET
VALVE
O6
DIFFERENTIAL
ORIFICE Ø.040
CASE DRAIN
2H-18A
DIFFERENTIAL
VALVE
P
A
SJ3 3226
NONE
0.081" DIA
NONE
0.073" DIA
SJ3 4626
SJ3 4632
SJ3 4620
NONE
MODEL
SJ3 3220
SJ3D ORIFICE
LIFT
ORIFICEORIFICE
LOWERING
4H-24
LEFT STEER
VALVE
CRV1 CROSS-OVER
RELIEF VALVE OPTION
MB1
MAIN MANIFOLD BLOCK
T
MB2
LOWERING
VALVE
BLOCK
O2
LOWERING ORIFICE
SEE REFERENCE TABLE
B
R2 LIFT
RELIEF
VALVE
V1
EMERGENCY LOWERING
VALVE
(MANUAL)
0.067
REFERENCE TABLE
04
EMERGENCY
LOWERING
ORIFICE
Ø.067
2H-13B-2 (CE)
2H-13-2 (ANSI/CSA)
HOLDING VALVE
2H-13-1
HOLDING VALVE
04
EMERGENCY
LOWERING
ORIFICE
Ø.067
FD1
FLOW DIVIDER
COMBINER
PT1
PRESSURE
OVERLOAD
TRANSDUCER
OPTION
4H-23
RIGHT STEER
VALVE
O3
STEER ORIFICE
Ø.040
V2
FREE-WHEELING
VALVE
C1
CUSHION
CYLINDER
PS1 OPTIONAL
PRESSURE
SWITCH
3H-14
LIFT VALVE
2H-13B (CE)
2H-13 (ANSI/CSA)
LOWERING VALVE
MB3
HOLDING VALVE
MANIFOLD BLOCK
C3 STEERING
CYLINDER
R3
RELIEF VALVE
C2
LOWER LIFT
CYLINDER
3226/4626/4632
MB4
REAR DRIVE
MANIFOLD BLOCK
MB3
HOLDING VALVE
MANIFOLD BLOCK
R3
RELIEF VALVE
C2
UPPER LIFT
CYLINDER
3226/4626/4632
PT1
PRESSURE
OVERLOAD
TRANSDUCER
OPTION
2H-13-1
HOLDING VALVE
04
EMERGENCY
LOWERING
ORIFICE
Ø.067
MB3
HOLDING VALVE
MANIFOLD BLOCK
C2
LOWER LIFT
CYLINDER
3220/4620