Figure 5-7 Assembling a step ladder
Step 2 Place the step ladder in the middle 5–10 mm away from the outward opening
door of the pre-fab. module, and mark mounting holes on the concrete pad for
the step ladder.
Step 3 Drill mounting holes using a hammer drill.
● When you drill a hole using a hammer drill, keep the drill bit perpendicular to the ground
and hold the drill stock rmly with both hands to prevent irregular drilling and damage to
the ground.
● If the ground is too hard and smooth for the drill bit to secure its position, use a chisel to
punch a pit before drilling.
Step 4 Rotate nuts onto expansion sleeves to prevent the expansion sleeves from
uttering.
Step 5 Knock the expansion bolts vertically into mounting holes until the at washers are
ush with the oor.
Step 6 Remove the nuts, spring washers, and at washers.
Figure 5-8 Installing an expansion bolt (unit: mm)
(A) M12 bolt
(B) Spring washer (C) Flat washer
Step 7 Install the step ladder on the concrete pad with the expansion bolts securing
them. Remount the at washers, spring washers, and nuts on the expansion bolts
and tighten the expansion bolts.
FusionDC1000A Prefabricated All-in-One Data
Center
Installation Guide (IT Scenario)
5 Installing External Accessories for the Pre-fab.
Module
Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd. 55
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