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Atlas Copco QAX 12-20-30 Dd — The starter motor turns the engine too slowly

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

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

Procedure

  1. Battery capacity too low.
  2. Bad electrical connection.
  3. Fault in starter motor.
  4. Wrong grade of lubricating oil.

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.