Kubota WSM B2050 Workshop Manual page 217

B2050, B2350, B2650, B3150, WSM
DIFFERENTIAL CASE SECTION
Symptom
Excessive or Unusual
Noise at All Time
Noise while Turning
Differential Lock Can
Not Be Set
Differential Lock
Pedal Does Not
Return
Probable Cause and Checking Procedure
1. Insufficient or improper type of transmission
fluid used
2. Improper backlash between spiral bevel pinion
and bevel gear
3. Improper backlash between differential pinion
and differential side gear
4. Bearing worn
1. Differential pinions or differential side gears
worn or damaged
2. Differential lock binding (does not disengage)
3. Bearing worn
1. Differential lock shift fork damaged
2. Differential lock shifter mounting pin damaged Replace differential
1. Differential lock fork shaft rusted
2. Differential lock pedal return spring weakened
or damaged
Check transmission
oil
Inspect or adjust
backlash
Inspect or adjust
backlash
Inspect or replace
bearing
Inspect or replace
differential pinion or
differential side gear
Repair or replace
differential lock shifter
Inspect or replace
bearing
Replace differential
shift fork
lock shifter
Repair or replace
differential lock fork
shaft
Replace return spring
3-S5
TRANSMISSION
Reference
Solution
Page
G-8
3-S63
3-S63
3-S61,
3-S62
3-S63
4-S5
3-S61,
3-S62
4-S5
4-S5
4-S5
4-S5
9Y1210982TRS0122US0
KiSC issued 03, 2014 A