Service update

We are experiencing high call and email volumes at this time. Your request is important to us, and we appreciate your patience as we work through the queue.  

Service update

We are experiencing high call and email volumes at this time. Your request is important to us, and we appreciate your patience as we work through the queue.  

Arcing condition possibly occurred when winding became electrically conductive

Incident Investigation

Arcing condition possibly occurred when winding became electrically conductive

February 11, 2019

Passenger Ropeways

Reference Number:

II-809561-2019 (#10925)



Occurring on February 9 the initial motor: Damage was reported as blown (arc damage) compensating windings, blown armature windings (reported as a “big blow hole) and blown field windings. Occurring on February 10 the replacement motor: Damage is reported as blown compensating windings (reported as “has a very large hole ”), and shorted field windings.

The main drive DC motor had the windings fault (short) to ground. This occurred again to a similar replacement motor.

Attachment
Size
622.77 KB