3M 1800 Series - page 11

3M™ Overhead Projector 1800 Illustrated Parts Breakdown

Section 4. Arm Assembly

(Serial number 18040827 and below, North & South America only)

Arm Assembly Parts List

(Serial number 18040827 and below, North & South America only)

Item 3M Part Number Description Qty.

1A 78-8120-8575-7

Arm Kit (includes rectangular post)

Note: When stock runs out, replacement is XO-0038-1808-5 1

1B 78-8120-8576-5 Arm / Offset Post Kit (rectangular post) 1

2 - - - Arm, Focus (Order Arm Kit 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 - - - Knob, Focus Gear, Blue (Order Arm Kit 78-8120-8575-7) 1

7 78-8079-8744-7 Rack, Focus 1

8A 78-8120-8513-8 Rectangular Post, Inverted Arm 1

8B 78-8120-8514-6 Rectangular Post, Basic Arm 1

9 78-8120-8537-7 Arm / Post / with Inverted Singlet Head Assembly (Not shown) 1