Atlas Copco QAX 12-20-30 Dd — Crankcase pressure
For the Atlas Copco QAX 12-20-30 Dd.
Applies to: Atlas Copco QAX 12-20-30 Dd
Procedure
- Restriction in breather pipe.
- Vacuum pipe leaks or fault in exhauster.
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.