1. When the Oil Meter Calibration is reqired?
    -      The Oil Meter Should be calibrated when the value is error from the accuracy.

  2. How to speed up power engine or slow idle irregulary?
  Inspect the compressive at strength Cylinder.
  Bring pump an head injector to have an inspection by using test stand.

  3. How to solve if the pump LPG at the service station is loud?

  Check Nut Screw on the base plate, entighten, and inform the staff to have an inspection
   if pump is loud.
             "Caution" Maintenance is required every 3 months, 500 hrs.