Sakai SW352, Service Manual

Page: 31 / 176

2-017
Description and Operation of Hydraulic System
TW5022014
Rc3/8
Rc3/8
5.0MPa
14.0
cm
3
/rev
1 1/16-12UN 7/8-14UNF
0.034MPa
0.034MPa
M1
D
M2
φ
1.0
A
3/4-16UNF
B1
B2 C
9/16-18UNF
3/4-16UNF
3
/4-16UNF
LOW
HIGH
372
cm
3
/rev
372
cm
3
/rev
280
cm
3
/rev
280
cm
3
/rev
9/16-18UNF
9/16-18UNF
LOW : 26.4kN/3300min
-1
HIGH : 34.3kN/3300min
-1
7/8-14UNF 7/8-14UNF
9/16-18UNF
B
10.8
cm
3
/rev
A
T
B
b a
A
P
3/4-16UNF 3/4-16UNF
14.4MPa
3/4-16UNF
3/4-16UNF
4-3/4-16UNF
R
T
P
L
160cm
3
/rev
13.5MPa
φ
63X
φ
30X250ST
X
B A
1.5MPa
1.5MPa
B A
X
105
μ
12.5
cm
3
/rev
15.0
cm
3
/rev
B A
0.6MPa 0.6MPa
1.67
~
1.86MPa
X
Brake release bolt M12
×
1.75-L30
1 1/16 -12UN 1 1/16 -12UN
1.5MPa
10
μ
3/4-16UNF
A B
31.5
cm
3
/rev
34.5MPa (3.8
~
5.6L/min)
34.5MPa (3.8
~
5.6L/min)
1.8MPa (18.9L/min)
L2
L1
1 1/16-12UN
φ
0.7
φ
0.7
φ
0.7
φ
0.7
Rear propulsion motor (RH)
Rear propulsion motor (LH)
Bypass valve
Front vibrator pump & steering/charge pump
Diff. lock valve
Suction filter
Ta
nk capacity 49 liters
Engine KUBOTA D1503-T-K2A 25.7 kw (34.9 PS) /2,300rpm
Steering valve
(Orbitrol)
Steering cylinder
Brake release bolt M12
×
1.75-L25
Radiator fan motor
Front vibrator motor
Front propulsion motor
Front vibrator shaft
Oil cooler
Line filter
Front drum
Rear wheel (RH)
Rear wheel (LH)
Propulsion pump
Amplitude selector solenoid valve
Coupling
2-1-7. Hydraulic circuit diagram (TW502)