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3M™ Overhead Projector 1800 Illustrated Parts Breakdown
© 3M 2004 2
Quick Reference Parts Index
Description (By machine location) Part Number Section No. Item No.
Inverted Singlet Head Module 78-8120-8508-8 1 1
Inverted Triplet Head Module 78-8120-8509-6 1 2
Inverted Mirror Module 78-8120-8498-2 1 3
Light Shield Kit 78-8120-4070-3 1 9
Open Singlet Head Module 78-8120-8507-0 2 1
Open Mirror Module 78-8120-8499-0 2 2
Closed Head Module, Singlet 78-8120-8506-2 3 1
Closed Head Module, Doublet 78-8120-8505-4 3 2
Arm Kit (Includes basic post) 78-8120-8575-7 4 & 5 1A
Arm/Offset Post Kit 78-8120-8576-5 4 & 5 1B
Post Pivot Kit 78-8120-8516-1 6 1
Post, Basic Arm 78-8120-8514-6 6 2
Offset Post Pivot Kit 78-8120-8515-3 6 3
Post, Inverted Arm 78-8120-8513-8 6 4
Top Cover Modules (U.S. and A4) See Sections 7 & 8 7 & 8 1A – 1D
Fresnel Lens, Dual Element – 182.5 mm 78-8120-8504-7 7 & 8 6
Fresnel Lens, Dual Element (Inverted Singlet) – 175.3mm 78-8120-8502-1 7 6
On/Off Button Kit, Red 78-8120-8563-3 7 & 8 8A
On/Off Button Kit, Blue 78-8120-8564-1 7 & 8 8B
Base Mirror Module (EVD/FNT) 78-8120-8511-2 9 1
Base Mirror Module (ENX/FXL) 78-8120-8512-0 9 2
Base Module 78-8120-8517-9 9 8
Lamp Housing Kit 78-8120-8520-3 9 9
Transformers See Section 9 9 4A – 4D
Power Cord, 120V (U.S. only) 78-8120-3184-3 9 11
ENX/FXL Single Lamp Socket 78-8120-3197-5 10 1
ENX/FXL Dual Lamp Socket 78-8120-3196-7 11 1
FNT Single Lamp Socket 78-8120-4003-4 12 8
FNT Dual Lamp Socket 78-8120-3193-4 13 4
EVD Dual Lamp Socket 78-8120-3193-4 14 4
Lamp, ENX 78-8011-1186-1 10 & 11 4A, 5A
Lamp, FXL 78-8073-7100-6 10 & 11 4B, 5B
Lamp, FNT 78-8054-1175-4 12 & 13 3, 5
Lamp, EVD 78-8079-8791-8 14 5
120V Fan Motor Assembly XO-0038-1567-7 16 5
230V Fan Motor Assembly XO-0038-1568-5 16 4
Roller Kit See Section 17 17 1 – 4