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Document Audience:	INTERNAL Archive
Document ID:	I0358-1
Title:	Possibility of stripping the mounting screws of the E450 Power Supply due to mechanical interference on the chasis.
Copyright Notice:	Copyright © 2005 Sun Microsystems, Inc. All Rights Reserved
Last Updated Date:	1997-11-05

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                        FIELD INFORMATION NOTICE
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FIN #: I0358-1

Synopsis: Possibility of stripping the mounting screws of the E450 Power Supply due to mechanical interference on the chasis.

Create Date: Nov/04/97

Keywords:

Possibility of stripping the mounting screws of the E450 Power Supply due to mechanical interference on the chasis.

Product Category: System

Product Affected:

A25-UXX1-9S-XXXCD	Enterprise 450 Server series
	X9682A			X-Option, 560W Power Supply for Enterprise 450

Parts Affected:

300-1302-02		560W Power Supply
	F300-1302-02		FRU, 560W Power Supply
	300-1359-01		560W Power Supply
	F300-1359-01		FRU, 560W Power Supply

References:

805-0430-10 Ultra450 Workstation Owner's Guide	
	805-0429-10 E450 Server Owner's Guide

Issue Description:

There is a small exposure with the E450 power supply X-option and
FRU's. This is due to a mechanical interference between the E450
system chassis and the inner side of the power supply ejectors.

Manufacturing has been seeing 1 or 2 rejects per week for stripped
screws and this is the root cause.

The X-options and FRUs that are out in the field may exhibit this
problem and the installer could conceivably strip a screw.

Corrective Action:

When removing/replacing a power-supply, DO NOT use excessive force to
tighten the mounting screws. Check for binding of the mounting screws
during tightening, If binding occurs back-out and re-tighten the screw
to alleviate the binding of the screw.

Comments:

The E450 chassis manufacturer will correct this interference issue in
the coming months.

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