Hydraulic Circuit Diagram - Sakai R2-4 Shop Manual

1-2. Hydraulic Circuit Diagram

(3/8")
PDV
PND
-1
54.6kW/2200 min
(55.4 kW/2200 min -1
:SAE J1995 JUN95)
KUBOTA V3307-CR-T-YDN
3.331L
PD2
PD3
(3/4")
(3/4")
(3/4")
CS
Oil SL (3/8")
0.21 MPa
cooler
(3/8")
CO
SR
(3/4") (3/4")
Steering
(3/4")
cylinder
T1
(1/2")
(1/2")
(1/4")
(1/4")
(1/4") (1/4")
VNC VND VPB VSC
VDR
VCP
Valve
(1/4")
Propulsion pump
PNC PCV PA
10μm
0.8
2.4 MPa
41.8 MPa
75
cc/rev
41.8 MPa
PD1 PCS PB
(1/2")
L
P
277
cc/rev
15.2
MPa
(1 1/2")
T
R
TS
Orbitrol
150mesh
Suction filter
MPR MPL
Propulsion motor
(F,L)
MLD
MLB
Drum (F,L)
i=32.11 55.1/28.5
cc/rev
1.7 MPa
550
ML2
ML1
PA3
SC1 SC2
(3/4") (3/4") (3/8")
BV1
Bypass
valve
BV2
24.9 16.2
cc/rev cc/rev
(3/8")
SCS
Steering
charge pump
PB3
(1/2")
(1/2")
VP
17.2 MPa
VT
T2
Valve
Propulsion motor
(F,R)
MR1 MRP
(1/2")
MR2
Drum (F,R)
i=32.11
55.1/28.5
cc/rev
1.7 MPa
(1/2")
550
MRB
MRD
MLV MSR MSL
(1/4") (1/4")
Propulsion pump (R)
RMP
RMA
2.4 MPa
75.0/28.0 i=39.00
cc/rev
1.6 MPa
RMB
RMS
RMD
(1/2")
T3
HYDRAULIC SYSTEMS
Drum (R)
1100
0634-99371-0-11505-0
4-003