21. Q. What is to be done should a radius bar break?
A. Do the same as for broken eccentric rod.
22. Q. If the horizontal arm of bell crank should break?
A. Same as broken eccentric rod.
23. Q. What is to be done should the vertical arm or bell crank break?
A. Take down union link combination lever and valve rod, then block valve over ports by using set-screw in valve stem cross-head provided for that purpose.
24. Q. Should you break cross-head arm or union link, what would you do?
A. If rod be provided to secure lower end of the combination lever to guide yoke, remove broken parts and proceed with full train, working engine at long cut-off. Otherwise would remove broken parts, combination lever and valve rod, cover ports, and proceed on one side.
25. Q. What do you do if a union link should break?
A. Same as for a broken cross-head arm.