3M 9800 Service Manual

Also see for 9800: Operating instructions Illustrated parts breakdown

Contents

3M 9800 Service Manual Manual pdf 32 page image

3M Overhead Projector 9800 Series Section 5 – Disassembly/Reassembly5-79800 Service Manual 3M 19965-3. Optical/Lamp Assembly5-3-1. How to Disassemble the Optical/LampAssembly!Unplug projector power cord before performingany maintenance to electrical components.1. Unplug the projector from the outlet.2. From the projector bottom, unscrew retainingscrews securing optical/ lamp assembly.Figure 5-12.ÅÅÅÅÅÅ9800-66ILamp Assembly ScrewsRubberFootBottom View of ProjectorÅÅÅÅÅÅVentilationHolesFigure 5-12. Lamp Assembly Retaining Screws3. From the outside of the projector, pry off the colortuning knob. Figure 5-14.4. Open top cover.5. Unscrew two retaining screws securing lampcontrol module bracket. Figure 5-13.Retaining ScrewMountingBracket 9800-93Figure 5-13. Lamp Control Module6. Disconnect lamp assembly wires from the lampcontrol module.7. Remove the e-ring and unhook the secondarylamp changer rod. Figure 5-14.9800-65ILampChangerRodHeat ShieldThermal InsulatorE-RingColor Tuning KnobSpringClipAirDeflectorFigure 5-14. Lamp and Optical Assembly8. Lift the lamp/optical assembly straight up toremove it from the projector body.9. Reassemble in reverse order.NoteWhen reassembling, remember to insert thethermal insulator then the heat shield.