Kubota B2301 Workshop Manual

HYDRAULIC SYSTEM
B2301, B2601, WSM
7-S1
1. TROUBLESHOOTING
9Y1211156HYS0001US0
Symptom
Probable Cause and
Checking Procedure
Solution
Reference
Page
Implement Does Not
Rise (No Noise)
1. Transmission fluid
improper
Check transmission oil G-8
2. Hydraulic pump
malfunctioning
Solution order
1. Check hydraulic flow test
7-S4
2. Replace hydraulic pump 7-S9
3. Relief valve malfunctioning Solution order
1. Check relief valve
7-S8
2. Check or adjust relief valve 7-S8
3. Replace relief valve 7-S8
4. Piston O-ring or cylinder
damaged
Replace O-ring or cylinder 7-S17
5. Control valve
malfunctioning
Replace control valve 7-S13
6. Control valve improperly
adjusted
Check or adjust control valve 7-S12
7. Control valve improperly
assembled
Repair control valve 7-S15
Implement Does Not
Rise (Noise)
1. Transmission fluid
improper
Check transmission oil G-8
2. Oil filter cartridge clogged Replace oil filter cartridge G-26, G-29
3. Suction pipe loosen or
broken
Check or repair suction pipe 7-S9
4. Suction pipe connecting
hose loosen or broken
Check or repair suction hose 7-S9
5. Relief valve setting
pressure too low
Solution order
1. Check relief valve
7-S8
2. Check or adjust relief valve 7-S8
3. Replace relief valve 7-S8
6. Hydraulic pump broken Solution order
1. Check hydraulic flow test
7-S4
2. Replace hydraulic pump 7-S9
Implement Does Not
Reach Maximum
Height
1. Feedback rod improperly
adjusted
Solution order
1. Check lift arm free play
7-S8
2. Adjust feedback rod 7-S8
Implement Does Not
Lower
1. Control valve
malfunctioning
Replace control valve 7-S13
Implement Drops by
Its Weight
1. Piston O-ring worn or
damaged
Replace O-ring or cylinder 7-S17
2. Control valve
malfunctioning
Replace control valve 7-S13
KiSC issued 11, 2014 A

Kubota B2301 Specifications

General

Engine Type	Diesel
Transmission Type	Hydrostatic
Type	Compact Utility Tractor
Drive	4WD
3-Point Hitch Category	Category I
Fuel Capacity	6.1 gallons
Hydraulic System Capacity	3.7 gallons