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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
                  (For Authorized Distribution by SunService)
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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