TRANSMISSION
B2650HSDC, B3350HSDC, WSM
2-S1
1. TROUBLESHOOTING
HYDROSTATIC TRANSMISSION
Symptom Probable Cause Solution
Reference
Page
System Will Not
Operate in Either
Direction
Oil level is low Check oil level or fill
oil to proper level
2-S14
Speed control pedal linkage damaged Repair linkage 2-M13,
2-M15
Charge pressure is too low Solution order
1. Replace oil filter
cartridge
G-31
2. Check charge
pressure
2-S8
3. Inspect or flush
charge relief valve
2-S47
Check and high pressure relief valve does not
move smoothly
Inspect or replace
check and high
pressure relief valve
2-S46
Neutral valve damaged Inspect or replace
neutral valve
2-S47
Component parts damaged Replace hydrostatic
transmission
assembly
2-S20
Vibration and Noise Oil level is too low Check oil level or fill
oil to proper level
2-S14
Speed control pedal linkage damaged Repair linkage 2-M13,
2-M15
Charge pressure is too low Solution order
1. Replace oil filter
cartridge
G-31
2. Check charge
pressure
2-S8
3. Inspect or flush
charge relief valve
2-S47
Check and high pressure relief valve does not
move smoothly
Inspect or replace
check and high
pressure relief valve
2-S46
Neutral valve damaged Inspect or replace
neutral valve
2-S47
Component part is damaged Replace hydrostatic
transmission
assembly
2-S20