A contact tube can be removed and cleaned with a set of oxyacetylene torch tip cleaners to extend the useful life of the contact tube except for when the material is aluminum wire.

Question

Quizplus · Accepted Answer

The material being aluminum wire is important because using an oxyacetylene torch tip cleaner can damage the contact tube and is not recommended. Instead, a stainless steel wire brush or pick should be used to clean the aluminum wire contact tip.

A Contact Tube Can Be Removed and Cleaned with a Set