Cause / 402

1. Keys missing in gear or not in line on shaft, due to twisted shaft. 2. Lift lock or rack bars binding. 3. Worn rack bars and/or gears. 4. Lift equalizing system not adjusted.

Repair / 402

1. Replace parts as needed. 2. Adjust and/or shim. 3. Replace parts as needed. 4. Shim between rack bars and superstructure.