3MOverhead Projector 1800

Illustrated Parts Breakdown

Section 1. Inverted Head Assembly

1,2

3

6

4

7

Inverted Singlet Head only

8

Inverted Triplet Head only

Note: Screws, nuts, bolts, clips, and other small hardware

are also contained in the Hardware Kit: P/N 78-8120-8523-7 (Refer to Section 22).

Inverted Head Assembly Parts List

5

Light Shield Kit

Item

3M Part Number

Description

Qty.

 

 

 

 

1

78-8120-8508-8

Inverted Singlet Head Module

1

2

78-8120-8509-6

Inverted Triplet Head Module

1

3

78-8120-8498-2

Inverted Mirror Module (Includes Mirror, Tape, and Holder)

1

4

78-8120-3158-7

Mount, Inverted Head

1

5

78-8120-3154-6

Yoke, Triplet, Left

1

6

78-8120-3155-3

Yoke, Triplet, Right

1

7

78-8096-5792-3

Lens, Wide Angle (254.78mm)

1

8

78-8097-3693-3

Lens, Triplet (345mm)

1

9

78-8120-4070-3

Light Shield Kit (Optional)

1

© 3M 2004

4

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3M Overhead Projector, 1800 manual Inverted Head Assembly Parts List