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These instructions are designed to help you fix a 1966-1981 vintage Kodak Carousel Slide Projector which does not advance. If your projector is of this series, it will have a hinged handle on the front next to the lens, like in the photo above and will be black or grey, or it will have imitation wood grain side panels. If your projector has a model number that is greater than 1000, or is a 5XX series or is an Ektagraphic III, it is NOT covered by these instructions. The model 600 and 600H were part of this same series, but they do not have this issue.
The "does not advance" problem is caused by a plastic part called the "Cycle Solenoid Link" that gets brittle and breaks due to age.
You can confirm that your projector has this issue by pressing the forward and/or reverse buttons while there is NO tray on the projector and by observing the Indexer Lever (tray advance arm). You may very well hear a click when depressing the buttons, but the Indexer Lever will not move. If your indexer lever moves, then the issue isn't the cycle solenoid link, but possibly a defective slide tray. Kodak's 140 slide trays have problems of their own and are not recommended. Use the 80 trays.
If you have determined that your projector is covered by these instructions, we need to next determine if your projector has remote or auto-focus as a feature. This is to determine if you need to buy the four piece repair kit with the focus gears, or just the two piece kit. If your projector has focus gears, they will also need to be replaced, as they are sure to be brittle.
The Carousel 650/650H, 700 & Ektagraphic E/E-2 require the two piece kit. All other models have either remote and/or auto-focus and require the four piece kit as shown above.
For regular maintenance while you are in there, you will need the following:
When it comes to the recommended lubricants, Kodak recommended "Super Lube" for the grease and they were not particular on the light oil. Before going out and buying more tools, read through these instructions and see how they are used and you may find something else in your tool box that will accomplish the same task. For example, I rarely use the combination wrench but instead use an extra-long reach nut driver in some areas and a flexible shaft nut driver in other areas.