Kubota B2301-1 Workshop Manual

HYDRAULIC SYSTEM
B2301, B2601, WSM
7-M1
1. HYDRAULIC CIRCUIT
Operating Pressure
9Y1211156HYM0001US0
(1) Oil Filter
(2) Hydraulic Pump (For 3-point
Hitch)
(3) Hydraulic Pump (For Power
Steering)
(4) Power Steering
(5) Relief Valve (Power Steering
Controller)
(6) Oil Cooler
(7) Regulating Valve (For
Independent PTO Clutch)
(8) Control Valve for Independent
PTO
(9) Independent PTO Clutch
(10) Control Valve for Backhoe
BH70
(11) Relief Valve for Oil Filter
(12) Oil Filter
(13) HST
(14) Check and High Pressure
Relief Valve
(15) Charge Relief Valve
(16) Front Loader Control Valve
(17) Relief Valve (For 3-point Hitch
System and Front Loader
System)
(18) Boom Cylinder
(19) Bucket Cylinder
(20) Rear Hydraulic Outlet
(21) Position Control Valve
(22) Lowering Speed Adjusting
Valve
(23) Hydraulic Cylinder
(24) Aux Hydraulic Valve Kit
(2)
Hydraulic Pump (For 3-point Hitch)
Above 21.0 L/min. (5.55 U.S. gals/min., 4.62 Imp. gals/min.)
(14)
Check and High Pressure Relief Valve (For HST)
23 to 25 MPa (240 to 250 kgf/cm
2
, 3400 to 3600 psi)
(3)
Hydraulic Pump (For Power Steering)
Above 15.8 L/min. (4.17 U.S. gals/min., 3.48 Imp. gals/min.)
(15)
Charge Relief Valve (For HST)
0.4 to 0.6 MPa (4.1 to 6.1 kgf/cm
2
, 60 to 80 psi)
(5)
Relief Valve (For Power Steering Controller)
11.5 to 12.5 MPa (118 to 127 kgf/cm
2
, 1670 to 1810 psi)
(17)
Relief Valve (3-point Hitch System and Front Loader System)
13.0 to 13.8 MPa (133 to 140 kgf/cm
2
, 1890 to 2000 psi)
(7)
Regulating Valve (For Independent PTO)
1.1 to 1.5 MPa (11.2 to 15.3 kgf/cm
2
, 160 to 210 psi)
KiSC issued 11, 2014 A

Kubota B2301-1 Specifications

General

Brand	Kubota
Model	B2301-1
Category	Tractor
Language	English