3M Overhead Projector User Manual

Page of 52
3M™ Overhead Projector 1800 
Illustrated Parts Breakdown 
 
© 3M 2004
 
Arm Assembly Parts List 
(Serial number 18040827 and below) 
Item 
3M Part Number 
Description 
Qty. 
1A 
78-8120-8575-7 
Arm Kit (includes basic post) 
1B 
78-8120-8576-5 
Arm / Offset Post Kit  
- - - 
Arm, Focus (must order 78-8120-8575-7) 
3 78-8120-4017-4 
Pad, 
Tension 
4 78-8120-3069-6 
Pad 
5 78-8120-3142-1 
Cap, 
Focus 
78-8120-3153-8 
Knob, Focus Gear, Blue 
7 78-8079-8744-7 
Rack, 
Focus 
8A 
78-8120-8513-8 
Post, Inverted Arm  
8B 
78-8120-8514-6 
Post, Basic Arm 
78-8120-8537-7  
Arm / Post / with Inverted Singlet Head Assembly (Not shown) 
10 
78-8120-8539-3  
Arm / Post With Inverted Triplet Head Assembly (Not shown)