A
B
C
D
E
F
G
H
V
Z
Y
X
W
81
SJ3220, SJ3226, SJ4720, SJ4726, SJ4732
223198ABA
3.33
Hydraulic Schematics - SJ4720/26/32 AS/KC
M216191AD
T
B
P
A
P
A
T
B
4H-24A
LEFT
4H-23A
RIGHT
R1
RELIEF
VALVE
2750 psi
3H-17
BRAKE
RELEASE
3H-14
LIFT
R2
RELIEF
VALVE
CB1
4000 PSI
10:1
4H-16
FORWARD
4H-15
REVERSE
MB1 MAIN MANIFOLD
SAE
08
QD1
P1
SYSTEM PUMP
(3.59 CC / 0.219 CIR)
F1
FILTER
SAE
12
SAE
06
C1
STEERING
CYLINDER
O1
.040"
SAE
06
SAE
06
SAE
06
SAE
06
A
B
BR1
LEFT
BRAKE
SAE
06
SAE
06
A
BR2
RIGHT
BRAKE
B
SAE
06
SAE
06
3H-18A-1
SPEED
VALVE B
3H-18A-2
SPEED
VALVE A
2H-18A
DIFFERENTIAL
VALVE
03
.040"
FD1
FLOW
DIVIDER
COMBINER
V2
FREE-WHEEL
VALVE
MB2 DRIVE MANIFOLD
SAE
04
SAE
04
3H-17
O4
.106"
P2
BRAKE
HAND
PUMP
SAE 04
V1
AUTO
RESET
BRAKE
OVERRIDE
MB6 BRAKE MANIFOLD
SAE 04
SAE 04
M1
LEFT
DRIVE MOTOR
M2
RIGHT
DRIVE MOTOR
C2
LOWER LIFT
CYLINDER
2H-13-1
PT1
PRESSURE
TRANSDUCER
MB4
HOLDING
MANIFOLD
SAE
06
C3
UPPER LIFT
CYLINDER
2H-13-2
MB3
HOLDING
MANIFOLD
SAE
04
R4
RELIEF
VALVE
R3
RELIEF
VALVE
2H-13-1
PT1
PRESSURE
TRANSDUCER
MB5
HOLDING
MANIFOLD
C2
LOWER LIFT
CYLINDER
SN1
SNUBBER
SN1
SNUBBER
PORT
PLUGGED
O2
.031"
4726/4732
4720
M
A=REVERSE
B=FORWARD
A=FORWARD
B=REVERSE
1
3
2
1
3
2
Bore
Rod
Stroke
1.5
0.75
4.87
1
2
3
4
2
2
1
SAE 6
FRONT LEFT SAE 6
SAE 6
REAR LEFT SAE 6
FRONT RIGHT SAE 6
REAR RIGHT SAE 6
1
3
2
1
3
2
SAE 6
SAE 6
Stroke
Bore 3.998
37.321
Stroke
Bore 4.0
49.06
2
1
2
1
Stroke
Bore 3.998
37.321
Содержание SJ 3220
Страница 4: ...4 SJ3220 SJ3226 SJ4720 SJ4726 SJ4732 223198ABA Notes...
Страница 44: ...44 SJ3220 SJ3226 SJ4720 SJ4726 SJ4732 223198ABA Notes...
Страница 45: ...45 SJ3220 SJ3226 SJ4720 SJ4726 SJ4732 223198ABA Section 3 System Component Identification and Schematics...
Страница 74: ...74 SJ3220 SJ3226 SJ4720 SJ4726 SJ4732 223198ABA Notes...
Страница 93: ...93 SJ3220 SJ3226 SJ4720 SJ4726 SJ4732 223198ABA Notes...
Страница 175: ...175 SJ3220 SJ3226 SJ4720 SJ4726 SJ4732 223198ABA Notes...
Страница 176: ......
Страница 177: ...www skyjack com...