4 Repair
4.5.1. Replacement of SMB unit
3HAC020993-001 Revision: G276
© Copyright 2004-2008 ABB. All rights reserved.
2.
esd
WARNING!
The unit is sensitive to ESD, before handling the unit
please observe the safety information in section
WARNING - The unit is sensitive to ESD! on page
40
3. Remove the SMB unit according to step 4 - 8 in
Removal, SMB unit on page 274
4. Refit the new SMB unit according to step 3 - 6 in
Refitting, SMB unit on page 274
5.
NOTE!
Make sure that the gasket under the SMB cover is
not damaged!
6. Apply rust preventive on the surface around the
SMB cover and under/on top of the screw heads.
7. Perform a leakdown test according to Inspection of
air hoses (Foundry Prime) on page 152.
Action Note/Illustration
Continued
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