Kubota B1220 Workshop Manual page 221

B1220, B1620, B1820, WSM
[2] POWER STEERING
B1820 is equipped with integral type power steering that consists of rotary type control valve with torsion bar.
Hydraulic oil flow is shown as follows.
7-M2
STEERING
(1) Valve Housing
(2) Gear Case
(3) Sector Gear Shaft
(4) Rack (Piston)
(5) Worm Shaft
(6) Control Valve
(7) Relief Valve
(8) Steering Wheel
(9) Hydraulic Pump
(10) Oil Filter
(11) Transmission Case
A : Suction Oil
B : Low Pressure Oil
9Y1210272STM0002US0
(EU)
KiSC issued 07, 2011 A