3M 2100 manual Stage Glass Focusing Assembly

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MODEL 2100 OVERHEAD PROJECTOR

STAGE GLASS

FOCUSING ASSEMBLY

1.Remove Top Cover Assembly.(See page 6- 1)

2.Remove the Fresnel Lens. (See page 6-1)

3.Remove the six (6) tamper proof screws using a T15 Torx Driver. (3M Part Number 26-1005-8317-3)

4.Remove the MASK (black frame) and Stage Glass.

5.To reassemble, make certain the beveled edges on the Stage Glass are facing down and the 3M logo is in the lower left front corner. (2140/2150 only, 2130 does not have logo)

NOTE

This drawing of Stage is up side down.

6.Reassemble MASK and Fresnel Lens in reverse order as noted above.

1 Remove knob.

2.Before disassembling, turn Adjusting Screw clockwise to loosen assembly.

3.Remove the four “A” screws and cover. (All internal parts are now exposed.)

4.Before re-assembling, turn adjusting screw counterclockwise. (This procedure makes re-assembly easier.)

5.After re-assembly is completed, readjust the focus tension.

6-2

9/92

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Contents Model 2100 Overhead Projector Technical Support Hotline 1-800-328-1371 U.S. & Canada Table of ContentsPhysical IntroductionModel 2100 Overhead Projector Mechanical Electrical 2130/2140/2150 2160/2170/2180 4130/4140/41Optical 2130/2140/2150 2160/2170/2180 4130/41 40/4150Principles of Operation Do not look in the front projection lens when lamp is on Operation and MaintenanceCUS Knob Method Mirrors Cleaning Stage Glass and Fresnel LensLamp Changer Assembly Before S/N After S/N Symptom Check CAUSE/SOLUTIONS TroubleshootingField Kits Available TroubleshootingAdjustments If floor or ceiling lines are not Optical Alignment Focus Mechanism Tension in cable should be 3/16 Maximum 924-5Post should Fold Down Without TOO Much Force Page Page Page Page Page Page Page Page DISASSEMBLY/RE-ASSEMBLY Stage Glass Focusing Assembly How to remove and install the condenser lens when equipped
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