engines when the pressure in the low-pressure cylinder gets too high.

69. Q. What would be considered a bad engine or tender truck wheel?

A. One loose on axle; having bad flat spots; very sharp flanges; bad
sand spots; cracks shelled out; or other defect that would make the
wheel unsafe.

70. Q. What should be done if a tender truck wheel or axle should break?

A. Would place a piece of timber or rail across the tender, jack up the
corner of the truck that is disabled chain it to the timber and fasten
the timber at the other end to hold it so it would carry the disabled
truck. If it is possible to slide the wheel or truck, place a tie across
the rail and keep the wheel from turning, then slide it to a siding.

71. Q. What should be done if an engine truck wheel or axle should
break?

A. Would block between the engine frame and truck frame over the good
wheel on disabled side, swing the disabled corner of the truck to the
engine frame with a chain. Look out when crossing frogs that disabled
truck does not leave the track. With a broken flange, would block the
wheel to prevent its turning and skid it to a siding.

72. Q. What should be done for a broken tender truck spring?

A. Jack the tender up to where it belongs and put a block in place of
the broken spring.