Kubota B3030 Workshop Manual

HYDRAULIC SYSTEM
B1830,B2230,B2530,B3030, WSM
8-S11
[2] DISASSEMBLING AND ASSEMBLING
(1) Hydraulic Pump
Removing Hydraulic Pump
1. Open the bonnet then remove the front grille, side cover (R.H.)
and disconnect the battery grounding cord.
2. Disconnect the connector of the engine stop solenoid and
accelerator rod.
3. Disconnect the power steering delivery pipe and disconnect the
delivery pipe (5) from the oil cooler. Refer to "TRANSMISSION"
section.
4. Remove the engine stop solenoid using a small size ratchet
handle and 10 mm thin socket.
5. Disconnect the suction hose.
6. Disconnect 3-points hitch delivery pipe and the hydraulic pump.
(When reassembling)
• Apply liquid gasket (Three Bond 1206D or equivalent) to engine
stop solenoid.
NOTE
• For fastening hydraulic pipe nut, use two wrenches. Hold
the fitting with a wrench, turn the pipe nut with another
wrench to avoid damage at fitting installed part.
9Y1210003HYS0009US0
Oil Seal
1. Remove the internal snap ring (2), and remove the oil seal (1).
(When reassembling)
• If the oil seal is defective, worn or scratched, replace it.
9Y1210003HYS0010US0
Tightening torque
Delivery pipe nut for power
steering
65 to 75 N·m
6.6 to 7.7 kgf·m
47.9 to 55.3 lbf·ft
(1) Engine Stop Solenoid
(2) 3-Point Hitch Delivery Pipe
(3) Hydraulic Pump
(4) Racket Handle
(5) Delivery Pipe
(6) Thin Socket (10 mm)
(7) Standard Socket (10 mm)
(8) Suction Hose
(1) Oil Seal (2) Internal Snap Ring
KiSC issued 05, 2012 A

Kubota B3030 Specifications

General

Engine Type	Diesel
Cylinders	3
Fuel Type	Diesel
Fuel Capacity	8.7 gallons
Drive	4WD
Hydraulic System Type	Open center
3-Point Hitch Category	Category I
Engine Power	30 hp
Transmission Type	Hydrostatic
Displacement	91.5 cu in
Number of Gears	3 ranges (HST)
Tire Size (Rear)	12.4-16
PTO Power	24 hp