3M 2100 manual

Page 23

9/92

Image 23

Contents Model 2100 Overhead Projector Technical Support Hotline 1-800-328-1371 U.S. & Canada Table of ContentsPhysical IntroductionModel 2100 Overhead Projector 2130/2140/2150 2160/2170/2180 4130/41 40/4150 Electrical 2130/2140/2150 2160/2170/2180 4130/4140/41Mechanical OpticalPrinciples 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