3M 9800 3M Overhead Projector, Illustrated Parts Breakdown, Revision History, Issue date 9/94

3M™ Overhead Projector 9800 Illustrated Parts Breakdown

Revision History

Revision bars placed in the margins ( ) indicate where additions or changes to a parts identification list

occurred. Items deleted from a parts identification list are indicated on this page only. Changes to illustrations are not indicated by revision bars, nor shown in this revision history.

The original issue of this manual and subsequent revisions are identified as follows:

Issue date: 9/94

Revision	Date	Page(s) Changed	Change
Original	September 1994	All pages
Rev. B	April 1996	All pages
Rev. C	February 1997	All pages
Rev D	April 2000	All pages
		Page 2	Changed part number of the Quick Reference
			Parts Index -- Stage Glass from
			78-8097-3525-7 to 78-8079-8975-7, and the
			part number of the Interlock Switch from
			78-8015-5038-1 to 78-8073-3039-0, the part
			number of the Micro Switch from
			78-8079-8823-9 to 78-8079-8855-1, the part
			number of the Triplet Lens from
			78-8097-3694-1 to 78-8097-3693-3. Added new
			Interlock Switch Cover 78-8073-3043-2.
		Page 5	Changed item 3 from 78-8097-3694-1 to
			78-8097-3693-3.
		Page 9	Changed item 2 from 78-8054-1768-6 to
			78-8120-2943-3, and item 7 from
			78-8097-3525-7 to 78-8079-8975-7.
		Page 10	Added item 19 to Section 4, Arm And Focus
			Assembly art.
		Page 11	Added new 0A, Focus Arm Upgrade Kit
			(Europe only) (DY-0210-2704-9), and new 0B,
			Focus Arm Upgrade Kit (78-8054-1820-5).
			Changed item 2 to 2A and added (metal arm
			version). Added new item 2B, Focus Arm Cap
			(78-8120-2930-0). Changed item 13 from
			78-8079-8960-9 to 78-8120-2942-5. Changed
			item 14 to 14A, and added (metal arm version).
			Added new item 14B, Wear Pad
			(78-8120-2925-0), and new item 19, Standoff
			Plate (78-8120-2920-1).
		Page 19	Changed item 4 to “Not Available” (Reference
			only).

© 3M IPC 2001 i