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ME units are not firing in half ahead or below movement

Recently ER crew noticed that ME units are not firing in half ahead or below movement.

Exh. temperatures of all affected units were low compared to other units.

At FULL AHEAD units start firing as normal.

Why may units stop firing?

25 Mar, 23:46

March 25, 2020, 11:46 p.m.
KnowledgeBase's gravatar image


Answer:
  1. Units may be in poor condition or Probably, FIVA valve is not working properly. To evaluate:
  2. increasing Low Load offset by 3%
  3. check Pcomp
  4. Inspect piston rings.
  5. Throttle valves of affected units should be inspected
  6. Check valves 405 & 406
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26 Mar, 10:35

March 26, 2020, 10:35 a.m.
cheng's gravatar image


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