3M Overhead Projector User Manual
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3M™ Overhead Projector 1800
Illustrated Parts Breakdown
© 3M 2004
9
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)
1
1B
78-8120-8576-5
Arm / Offset Post Kit
1
2
- - -
Arm, Focus (must order 78-8120-8575-7)
2
3 78-8120-4017-4
Pad,
Tension
1
4 78-8120-3069-6
Pad
1
5 78-8120-3142-1
Cap,
Focus
1
6
78-8120-3153-8
Knob, Focus Gear, Blue
1
7 78-8079-8744-7
Rack,
Focus
1
8A
78-8120-8513-8
Post, Inverted Arm
1
8B
78-8120-8514-6
Post, Basic Arm
1
9
78-8120-8537-7
Arm / Post / with Inverted Singlet Head Assembly (Not shown)
1
10
78-8120-8539-3
Arm / Post With Inverted Triplet Head Assembly (Not shown)
1