3M
™
Overhead Projector 1800
Illustrated Parts Breakdown
© 3M 2007
18
Top Cover Assembly Parts List (with taped-in stage glass)
Item
3M Part Number
Description
Qty.
1A
78-8120-8570-8
Top Cover Module, Basic (U.S)
1
1B
XO-0038-0893-8
Top Cover Module with Lamp Changer (U.S.)
1
1C
78-8120-8568-2
Top Cover Module, Basic (A4)
1
1D
XO-0038-0892-0
Top Cover Module with Lamp Changer (A4)
1
2 78-8120-4155-2
Glass,
Stage
1
3 78-8005-0481-9
Spring,
Compression
1
4
78-8079-8768-6
Latch, Top Cover
1
5 78-8120-3114-0
Retainer,
Fresnel
2
6A
78-8120-8502-1
Fresnel, Dual Element (inverted singlet) – 175.3 mm
1
6B
78-8120-8504-7
Fresnel, Dual Element – 182.5 mm
1
7A
78-8120-3138-9
Button, On/Off, Red
1
7B
78-8120-3151-2
Button, On/Off, Blue
1
8A
78-8120-8563-3
On/Off Button Kit, Red
1
8B
78-8120-8564-1
On/Off Button Kit, Blue
1