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Atlas Copco QAX 12-20-30 Dd — The engine does not start or is difficult to start

For the Atlas Copco QAX 12-20-30 Dd.

Applies to: Atlas Copco QAX 12-20-30 Dd

Procedure

  1. Starter motor turns engine too slowly.
  2. Fuel tank empty.
  3. Fault in fuel control solenoid.
  4. Restriction in a fuel pipe.
  5. Fault in fuel lift pump.
  6. Dirty fuel filter element.
  7. Air in fuel system.
  8. Fault in atomisers.
  9. Cold start system used incorrectly.
  10. Fault in cold start system.
  11. Restriction in fuel tank vent.
  12. Wrong type

Source: manual:QAX 12-20-30 Inst 2006 .pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.