Troubleshooting RT400

Symptom Causes Solution
Loss of traction Incorrect drive belt tension Refer to tractor manual
Failure of the variable pulleys Replace variable pulley (p.8-9)
Broken shift cam Replace shift cam (p.12)
Broken Inversion kit Replace inversion kit (p.13)
Broken variation controls Replace variation kit (p.14)
Internal issue Replace transaxle
Loss of speed range Incorrect drive belt tension Refer to tractor manual
Failure of the variable pulleys Replace variable pulley (p.8-9)
Broken variation controls Replace variation kit (p.14)
Loss of Neutral brake function Broken Brake lever Replace brake kit (p.10-11)
Broken Brake spring
Hard shifting Debris on shift cam Clean the shift cam area
Debris around Primary pulley Clean the Primary pulley
Loss of freewheel function Incorrect Neutral setting Adjust the Neutral position
Broken Bypass lever Replace the Bypass lever (p.10)
Vibration Damaged pulleys flanges Replace variable pulley (p.8-9)
Damaged belt
Noise Incorrect Neutral setting Adjust the Neutral position
Damaged pulleys Replace variable pulley (p.8-9)
Internal failure Replace transaxle