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DANGER:
Main Protective Earth (Ground):
This symbol is marked on the frame of the rack.
The PROTECTIVE EARTHING CONDUCTORS should be terminated at that point. A recognized or
certified closed loop connector (ring terminal) should be used and secured to the frame with a
lock washer using a bolt or stud. The connector should be properly sized to be suitable for the
bolt or stud, the locking washer, the rating for the conducting wire used, and the considered
rating of the breaker. The intent is to ensure the frame is electrically bonded to the PROTECTIVE
EARTHING CONDUCTORS. The hole that the bolt or stud goes into where the terminal conductor
and the lock washer contact should be free of any non-conductive material to allow for metal to
metal contact. All PROTECTIVE EARTHING CONDUCTORS should terminate at this main protective
earthing terminal or at points marked with
Caution notices for the system
Ensure that you understand the caution notices for the system.
Use the reference numbers in parentheses at the end of each notice (for example, D005) to find the
matching translated notice in IBM Systems Safety Notices.
CAUTION:
The weight of this part or unit is 18 - 32 kg (39.7 - 70.5 lb). It takes two persons to safely lift this
part or unit. (C009)
CAUTION: To avoid personal injury, before lifting this unit, remove all appropriate subassemblies
per instructions to reduce the system weight. (C012)
CAUTION: Use safe practices when lifting. (R007)
CAUTION:
Enclosure integrity:
• Access covers are intended only for occasional removal.
• Follow documented procedures when opening during live or temporary service.
• When service is complete, promptly reinstall all covers, lids, and/or doors for correct operation.
(L031)
6 IBM Storage Scale System Utility Node: Hardware Planning and Installation Guide
. (R010)
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