Operation Manual

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BX25, RCK54(P)-23BX, RCK60B-23BX, LA240, BT601, WSM

TRANSAXLE

1.

TROUBLESHOOTING

HYDROSTATIC TRANSMISSION

Reference

Symptom

Probable Cause

Solution

Page

System Will

Not

Oil level

is

low

Check oil level or fill

G-13

Operate

in

Either

oil to proper level

Direction

Speed control pedal linkage defective Repair linkage 2-S22

I

Charge pressure is too low

Solution order G-13

1.

Replace oil filter

cartridge

2.

Check charge 2-S12

pressure

3.

Inspect or flush 2-S40

charge relief valve

Check and high pressure relief valve does not

2-S40

move smoothly

Inspect or replace

check and high

pressure relief

valve

Component parts defective

Replace hydrostatic 2-S23

transmission

assembly

Vibration

and

Noise

Check oil level or fill G-13

oil to proper level

Speed control pedal linkage defective

Oil level

is

too low

2-S20

Charge pressure is too low

Repair linkage

G-13

Solution order

1.

Replace oil filter

cartridge

2.

Check charge 2-S12

pressure

3.

Inspect or flush 2-S40

charge relief valve

I

Inspect or replace 2-S40

move smoothly

Check and high pressure relief valve does not

check and high

pressure relief valve

Component part

is

defective

Replace hydrostatic 2-S23

transmission

assembly

W1022927

2-S1