HOW TO ADJUST Pmax OF THE INDIVIDUAL CYLINDER

Pmax OF THE CYLINDER IS THE MAXIMUM PRESSURE DEVELOPED INSIDE THE ENGINE. VIT CONTROLS THE Pmax OF THE CYLINDER UNIT. HENCE TO INCREASE OR DECREASE THE Pmax OF THE SYSTEM WE HAVE TO ADVANCE OR RETARD THE VIT RACK OF THE PARTICULAR CYLINDER.


IN THE FIGURE ABOVE WE CAN SEE THAT VIT IS CONTROLLED BY THE SERVO CYLINDER WHICH IS ACTUATED BY THE CONTROL AIR. NOW TO CHANGE THE Pmax, FOR INDIVIDUAL CYLINDER WE HAVE TO CHANGE THE VIT RACK WHICH IS DONE BY :-

  1. MOVING THE RACK IN/OUT
  2. TO MOVE THE THREAD CONNECTION FORWARD OR BACKWARD.

 

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