Kubota B1620 Workshop Manual

STEERING
B1220, B1620, B1820, WSM
7-S10
(EU)
[2] PREPARATION
(1) Hydraulic Pump for Power Steering [Only B1820]
IMPORTANT
• The hydraulic pump is precision machined and assembled : If disassemble once, it may be unable to
maintain its original performance. Therefore, when the hydraulic pump fails, replacement should be
carried out with the hydraulic pump assembled except when emergency repair is unavoidable.
• When repair is required, follow the disassembly and servicing procedures shown below with utmost care.
• Be sure to test the hydraulic pump with a flowmeter before disassembling.
• After reassembly, be sure to perform break-in operation and ensure that there is nothing abnormal with
the hydraulic pump.
9Y1210272STS0011US0
Remove Hydraulic Pump
1. Open the bonnet (1) then remove the front grille (3), side cover
(R.H.) and disconnect the battery negative cable (2).
2. Disconnect the fuel filter assembly (8) and then remove the
lever link assembly (9).
3. Disconnect the power steering delivery pipe (4).
4. Disconnect the 3 point hitch delivery pipe (7) and suction hose
(5).
5. Remove the hydraulic pump (6).
(When reassembling)
NOTE
• For fastening hydraulic pipe nut, use two wrenches. Hold
the fitting with a wrench, turn the pipe nut another wrench
to avoid damage at fitting installed part.
• When disconnecting battery cords, disconnect the
negative cord first. When connecting, positive cord first.
9Y1210272STS0012US0
Tightening torque
Power steering delivery
pipe nut
35 to 45 N·m
3.6 to 4.5 kgf·m
26 to 33 lbf·ft
(1) Bonnet
(2) Battery Negative Cable
(3) Front Grille
(4) Power Steering Delivery Pipe
[Power Steering Model]
(5) Suction Hose
(6) Hydraulic Pump
(7) 3 Point Hitch Delivery Pipe
(8) Fuel Filter Assembly
(9) Lever Link Assembly
KiSC issued 07, 2011 A

Kubota B1620 Specifications

General

Engine Type	Diesel
Cylinders	3
Fuel Type	Diesel
Hydraulic System Type	Open center
Drive	4WD
3-Point Hitch Category	Category I