The operation of the diesel engine1) … 7 moves up and down inside … 6. 2) … 7 is attached to … 12 through the intermediary of … 9. 3) If … 7 is moved up and down in … 6, this up-and-down, or reciprocating, motion of … 7 is changed into the rotary motion of … 12 by … 9 and the crankpin of the shaft. 4) … 8 links … 7 with … 9. 5) … 10 fastened to the rear end of the crankshaft serves to make the shaft revolve uniformly when the engine is running. 6) … 6 is tightly closed at the top by … 1 housing two valves. 7) … 5 admits air into the cylinder and … 4 lets the burnt gases out. 8) …4 and …5 are held closed by valve springs and are made to open by means of … 2 which are actuated by … 14 through intermediate components (... 16). 9) The … 14 and the … 15 shaft are driven by the … 12 through … 13. 10) The fuel supplied by … 15 is injected into the …6 through … 3.
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