21. Q. After filling lubricator, what should be done?

A. Open the steam throttle to the lubricator wide, then carefully open

the water valve, but do not open the feeds until sure the chamber in the

glass is filled with water.

22. Q. How long before leaving terminal should the feed valves be

opened? Why?

A. About fifteen minutes; this time is necessary to allow oil to feed

through the oil pipe and reach the steam chests.