Kubota B2301 Workshop Manual

TRANSMISSION
B2301, B2601, WSM
2-S1
1. TROUBLESHOOTING
HYDROSTATIC TRANSMISSION
Symptom
Probable Cause and
Checking Procedure
Solution
Reference
Page
System Will Not
Operate in Either
Direction
1. Oil level is low Check oil level or fill oil to proper level G-28
2. Speed control pedal
linkage damaged
Repair linkage 2-M13
3. Charge pressure is too low Solution order
1. Replace oil filter cartridge
G-26, G-29
2. Check charge pressure 2-S8
3. Inspect or flush charge relief valve 2-S24
4. Check and high pressure
relief valve does not move
smoothly
Inspect or replace check and high
pressure relief valve
2-S23
5. Component parts
damaged
Replace hydrostatic transmission
assembly
2-S20
Vibration and Noise 1. Oil level is too low Check oil level or fill oil to proper level G-28
2. Speed control pedal
linkage damaged
Repair linkage 2-M13
3. Charge pressure is too low Solution order
1. Replace oil filter cartridge
G-26, G-29
2. Check charge pressure 2-S8
3. Inspect or flush charge relief valve 2-S24
4. Check and high pressure
relief valve does not move
smoothly
Inspect or replace check and high
pressure relief valve
2-S23
5. Component part is
damaged
Replace hydrostatic transmission
assembly
2-S20
Loss of Power 1. Oil level is low Check oil level or fill oil to proper level G-28
2. Speed control pedal
linkage damaged
Repair linkage 2-M13
3. Charge pressure is too low Solution order
1. Replace oil filter cartridge
G-26, G-29
2. Check charge pressure 2-S8
3. Inspect or flush charge relief valve 2-S24
4. Check and high pressure
relief valve does not move
smoothly
Inspect or replace check and high
pressure relief valve
2-S23
5. Component parts
damaged
Replace hydrostatic transmission
assembly
2-S20
Transmission Oil
Over Heats
1. Low transmission oil level Fill transmission oil level up to proper
level
G-28
2. Radiator net clogged Clean radiator net G-17
3. Improper charge pressure Solution order
1. Check high relief pressure
2-S9
2. Replace transmission oil filter cartridge G-29
3. Replace check and high pressure relief
valve
2-S23
4. Inspect and replace charge relief valve 2-S24
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