A. No, the wire should be worked back and forth until all the deposit or scale is thoroughly cleaned out.

Q. In case the steam gauge gets out of order what should be done?

A. There should always be an extra gauge on hand that may be put to use. If there is no extra steam gauge, the engine should be shut down until the gauge can be repaired.

Q. Why not continue running by using the safety valve?

A. Because it is very dangerous and should never be attempted.

Q. How much variation from the actual pressure can be allowed on steam gauge before it is repaired?

A. None. As soon as suspected of being even slightly out of order it should be repaired.

Q. In case the pump does not work what should be done?

A. Supply the boiler by the injector.