3M 1820 Parts Catalog - Page 20
Top Cover Assembly Parts List with clipped-in stage glass
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3M™ Overhead Projector 1800 Illustrated Parts Breakdown Top Cover Assembly Parts List (with clipped-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 4 6 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 Note: Once stock is gone order 78-8120-8564-1 1 8B 78-8120-8564-1 On/Off Button Kit, Blue 1 Note: Top covers prior to S/N 18023074 have taped-in stage glass. If the stage glass needs repair, a new top cover must be ordered. Refer to 1800 Technical Bulletin #6. © 3M 2007 20