Mouse Balls

Date:    Wed, 01 Jan 1997 16:42:03 PST
To:      jsexton
Subject: Mouse Balls

This actually went out as an alert to IBM field Engineers in all IBM
 Branches, I am told.

 Abstract:  Mouse Balls Available as FRU (Field Replacement Unit)

 Mouse balls are now available as FRU.  Therefore, if a mouse fails to
 operate or should it perform erratically, it may need a ball replacement.
  Because of the delicate nature of this procedure, replacement of  mouse
 balls should only be attempted by properly trained personnel.

 Before proceeding, determine the type of mouse balls by examining the
 underside of the mouse.  Domestic balls will be larger and harder than
 foreign balls.  Ball removal procedures differ depending upon
 manufacturer of mouse. Foreign balls  can be replaced using the pop-off
 method.  Domestic balls are replaced using the twist method.  Mouse balls
 are not usually static sensitive.  However, excessive handling can result
 in sudden discharge.  Upon completion of ball replacement, the mouse may
 be used immediately.

 It is recommended that each replacer have a pair of spare balls for
 maintaining optimum customer satisfaction, and that any customer missing
 his balls should suspect local personnel of removing these necessary

 To re-order, specify on one of the following:

 P/N 33F8462 - Domestic Mouse Balls
 P/N 33F8461 - Foreign Mouse Balls


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