Sakai SW300-1, Shop Manual

Page: 57 / 246

1-2. Hydraulic Circuit Diagram
1-2-1. Hydraulic circuit diagram (SW types)
0445-99006-0-10625-A
Ǿ
50X
Ǿ
25-220 st
Steering cylinder
(3/8")
(3/8") (3/8")
CL
CR
T R P L
Orbitrol
96cc/rev
(3/8")
(3/8")
(3/8")
(3/8")
(3/8")
(3/8")
LS
LO
IN
OUT
Hydraulic
filter
1.647L
26.1kW/2800min
(SAE J1995 JUN95)
KUBOTA D1703-M-ET01
-1
Steering
・
charge
pump
SPO
SPS
28.0
cc/rev
(
Ǿ
25)
150mesh 150mesh
(3/8")
(1/2")
(1/2")
CO
CS
OUT
IN
PD2
PD1
PD
VIN
VO1 VO2
Oil
cooler
Ǿ
0.7
Ǿ
0.7
Ǿ
0.7
Ǿ
0.7
PC PA PB
Propulsion pump
12.5
cc/rev
12.5
cc/rev
8.4
cc/rev
34.5MPa
34.5MPa
1.9MPa
0.4MPa
0.4MPa
12.7MPa
12.7MPa
SW300
-1
:1000
SW320
-1
:1200
SW330
-1
:1300
Ǿ
700
Ǿ
700
Drum (Front)
Drum (Rear)
SW300
-1
:1000
SW320
-1
:1200
SW330
-1
:1300
(1/4")
8.14
cc/rev
(1/2")
FMA
FMB
Brake
release
bolt
M10X25
Brake
release
bolt
M10X25
FMP FMD
PBR
RMD
RMB
RMP
RMA PAR
PA
F
PBF
FPR
RPR
417
cc/rev
417
cc/rev
1.5MPa
1.5MPa
Propulsion motor (Front)
Propulsion motor (Rear)
Vibrator
pump
(1/2")
(1/2")
(1/2")
(1/2")
(1/2")
(1/2")
8.4
cc/rev
Vibrator
motor
(Rear)
Vibrator
motor
(Front)
Suction
filter
Suction
filter
Vibrator solenoid
valve (Rear)
Vibrator solenoid
valve (Front)
FVA
FVB
FVD
RVD
RVB
RVA
VTF
VPF VBF
VTR
VAR VBR
(1/4")
(1/2")
(1"1/4)
(1/2")
10μ
13MPa
i=1.119
(1/4")
PPR
4-003
HYDRAULIC SYSTEMS
04̲HYDRAULIC̲SYSTEMS.indb 4-003 04̲HYDRAULIC̲SYSTEMS.indb 4-003 2012/11/15 16:46:01 2012/11/15 16:46:01