Sakai SW800 Series, Руководство по ремонту

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2-2-3. Hydraulic circuit (SW850)
Description and Operation of Hydraulic System
2-020
150mesh
(1/2")
(1")
(3/8")
(3/8")
(1/2")
(1/4")
(1/4")
(1/2")
(2")
(3/4")
(3/4")
(1/2")
(1/2")
(1/2")
(1/2")
(1/2")
(1/2")
(1/4")
a
b
i=34.311
i=34.311
(3/4")
(3/4")
(3/4")
(3/4")
(1/2")
(1/2")
(3/4")
(3/4")
(1/4")
(1/2")
(1/2")
(1/2")
(1/2")
(3/8") (3/8")
(1/2")
φ
1400
φ
1400
IN
OUT
T
PS FA
MB
B PS G2 A2
A G3
1
X2
G
A
A P 2
2
B
A
PB
DR
PB
DR
B
A
A
B
A
B
A
B
A
B
T1
A
B
T1
A
B
A1
B1
P G
T
A1
B1
P
T
G
IN
OUT
B
T
P
OUT
IN
S
D
T
P
R
L
Front drum
90.0cm
3
(cc/rev)
2000mm {79in}
P.T.O
PTO
(ENGINE SIDE)
Return filter
Coupling
ENGINE
(ISUZU 6BG1)
86kW/2300min
-1
(117PS/2300rpm)
{115.4HP/2300rpm}
40.2MPa
(410kgf/cm
2 )
{5830psi}
40.2MPa
(410kgf/cm
2 )
{5830psi}
Unloader valve
28.0cm 3 X 2
(cc/rev)
Propulsion
pump
2.5MPa
(25kgf/cm
2
)
{350psi}
37.2MPa
(380kgf/cm
2 )
{5400psi}
Frequency
selector
valve
Suction filter
Vibrator
pump
Line filter
(charge circuit)
23.3cm 3
(cc/rev)
15.2MPa
(155kgf/cm
2 )
{2200psi}
461cm 3
(cc/rev)
Orbitrol
Steering pump
Suction filter
Steering cylinder
φ
70X
φ
35-380 ST (mm)
{ φ 2.8X φ 1.4-15 ST (in)}
Steering cylinder
φ
70X
φ
35-380 ST (mm)
{ φ 2.8X φ 1.4-15 ST (in)}
Brake release
solenoid valve
22.5MPa
(230kgf/cm
2
)
{3270psi}
24.0MPa
(245kgf/cm
2 )
{3480psi}
Amplitude selector
valve
Oil cooler
Amplitude selector
valve
24.0MPa
(245kgf/cm
2 )
{3480psi}
22.5MPa
(230kgf/cm
2
)
{3270psi}
16.0cm 3
(cc/rev)
Rear vibrator motor
Front vibrator motor
16.0cm 3
(cc/rev)
1.5MPa
(15kgf/cm
2 )
{210psi}
75cm 3
(cc/rev)
Front propulsion motor
Rear drum 75cm 3
(cc/rev)
1.5MPa
(15kgf/cm
2 )
{210psi}
2.4MPa
(24kgf/cm
2 )
{340psi}
Rear propulsion motor
Low
amplitude
Low
amplitude
High
amplitude
High
amplitude
2000mm {79in}
Vibrator
(REAR)
Vibrator
(FRONT)
{55in}
{55in}
SW8502005