5 Appendixes
5.1 Repairing Pre-fab. Modules
Preparations
Tools: cutting machine, polishing machine,
ne sandpaper, anhydrous alcohol,
cotton cloth, spray gun (for large area repainting), paint (epoxy zinc rich primer
+epoxy intermediate paint+polyurethane topcoat)
Material: steel plate for repair
Procedure
Step 1 Cut the damaged part into a regular rectangle.
Figure 5-1 Cutting the damaged part into a regular rectangle
Step 2 Use a polishing machine to polish the paint on the cut surface and ensure that the
polishing width is 10–20 mm.
Step 3 Cut the prepared material into the same size as the hole to be welded.
Step 4 Fully weld along the joints.
FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario) 5 Appendixes
Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd. 169
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