ABB ACS1000 User Manual page 184

8. If the new fan housing does not have screw holes for the mounting supports, drill holes into
the underside of the fan housing.
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9. Check that all screws are properly fastened.
10. Install the new fan in reverse order of removal.
3BHS213401 E01 REV H
For information on the exact hole positions, see drawing number 3BHS128478
E01 in "Appendix C – Mechanical drawings".
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ACS1000 AIR-COOLED USER MANUAL
11 PREVENTIVE AND CORRECTIVE MAINTENANCE
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