3M 2100 manual

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Contents Model 2100 Overhead Projector Table of Contents Technical Support Hotline 1-800-328-1371 U.S. & CanadaIntroduction PhysicalModel 2100 Overhead Projector Electrical 2130/2140/2150 2160/2170/2180 4130/4140/41 MechanicalOptical 2130/2140/2150 2160/2170/2180 4130/41 40/4150Principles of Operation Operation and Maintenance Do not look in the front projection lens when lamp is onCUS Knob Method Cleaning Stage Glass and Fresnel Lens MirrorsLamp Changer Assembly Before S/N After S/N Troubleshooting Symptom Check CAUSE/SOLUTIONSTroubleshooting Field Kits AvailableAdjustments If floor or ceiling lines are not Optical Alignment Focus Mechanism 924-5 Tension in cable should be 3/16 MaximumPost 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