Huawei FusionModule2000 Maintenance Manual page 17

FusionModule2000 Smart Modular Data Center
Maintenance Guide
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Drilling Holes
Do not drill holes into the equipment. Doing so may affect the electromagnetic
shielding of the equipment and damage components or cables inside. Metal
shavings from drilling may short-circuit boards inside the equipment.
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Welding Safety
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Issue 02 (2022-07-30)
When climbing a ladder, take the following precautions to reduce risks and
ensure safety:
– Keep your body steady.
– Do not climb higher than the fourth rung of the ladder from the top.
– Ensure that your body's center of gravity does not shift outside the legs
of the ladder.
WARNING
Obtain consent from the customer and contractor before drilling holes.
Wear goggles and protective gloves when drilling holes.
When drilling holes, protect the equipment from shavings. After drilling, clean
up any shavings that have accumulated inside or outside the equipment.
At least two persons are required onsite.
A welder must have a work permit.
A welding site must be free from inflammables.
Ensure that a fire extinguisher, wet cloth, and water container are available.
A burning welding torch must not be placed on a component or on the floor,
and must not be placed in a metal container with acetylene and oxygen.
Otherwise, the gas may leak and cause a fire.
High-temperature pipes after welding must be promptly cooled.
Do not weld or cut on pressurized containers or pipes. Electric devices must be
powered off before welding.
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