If we had a wrench to get the cylinder head off,” said Tom, “I could show you.
The valves are placed directly in the cylinder head and are operated by a common pushrod.
The exhaust valve is mounted in the cylinder head, Fig. 201, its seating being screwed in by means of a special box spanner.
The intake valve is withdrawn by the use of special tools through the cylinder head, the exhaust valve being first dismounted.
Nickel steel valves are used and are carried in castings or cages which screw into bosses in the cylinder head.
Exhaust valves, seating directly in the cylinder head, are removable through the inlet valve holes.
Combustion Chamber: In 1931 the contour of the cylinder head was changed slightly.
I was awakened by the whistle of the locomotive, and then came the slow wheeze of the cylinder head, and we were off.
All valves in cylinder head, actuated by a single push and pull lever worked by a single cam.
In the morning they were given a wrench with which they removed the cylinder head amid the gibes of a group of spectators.
