TB0058 Change of Twistlock Detent Spring

The springs used in the twistlock bodies to provide the detent locking have been changed to make it more robust in the field. The uncompressed length has been increased and the wire diameter reduced.

Spring Identification Table

Models and Markets:

This change affects all sidelifters and trailers as all have twistlocks.

BOM:

The spring part number (TP-22382) has not changed.

Backward Compatibility:

The new spring is completely backward compatible

Benefits and Advantages to Change:

Improved reliability