7. Q. If the main crank pin was broken?

A. Take down eccentric rod, eccentric crank, main rod and all connecting

rods, block cross-head, disconnect from end of radius rod, chain it to

running board and block steam valve to cover ports.

The Traveling Engineers' Association to Improve the Locomotive Engine Service of American Railroads Examination Questions and Answers for Firemen for Promotion and New Men for Employment · 第 188 / 436 题