Huawei FusionDC1000A Maintenance Manual page 171

FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario)
2.
3.
Issue 01 (2021-04-20)
NO TICE
– Ensure that the wall thickness at the end of the fire-trace tube is
consistent.
– Ensure that the fire-trace tube, threaded nozzle, and end adapter are clean
and free of dust.
Figure 4-111 Cutting off the end of the fire-trace tube
Clamp the end of the fire-trace tube to the threaded nozzle using a pipe
holder.
NO TICE
Hold the pipe holder close to the end to avoid bending the tube during pipe
insertion.
Figure 4-112 Installing the fire-trace tube
Tighten the connection nut to 7 N·m using an adjustable torque wrench.
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4 Parts Replacement
163