I have a minolta rotomatic slide projector made by Sawyer. Its 50 years old. It still works, however after its been on for a bit the changer becomes sluggish and requires manual operation...
The sluggishness seems to happen when the unit heats up. I used alcohol to try to clean the mechanism and some lithium grease on sliding surfaces and gears, all to no avail. Everything else works fine.
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Sounds like a short (internal fuse maybe) to me. If you can confirm that the lamp is intact and should function, then it has to be something between the lamp and the power source. Assuming everything else works properly.
The clutch contact on your KODAK Carousel 600 Projector has either burned off from use (the projector is almost 50 years old) or is out of adjustment. Either condition will allow the continuous cycle to happen. Because of the projector's age, parts will be really tough to come by. I have attached a diagram to show you what the affected parts look like. Be sure to take extreme caution - - there is exposed electrical contacts all over with the bottom cover removed. Also, be sure to remove the lamp and all optics before starting this repair.
If this is a Kodak projector, you can go to: http://www.kodak.com/eknec/PageQuerier.jhtml?pq-locale=en_US&pq-path=6499 to find the manual. The other place that keeps an archive of old Kodak manuals is The George Eastman House in Rochester, NY. Good Luck !! Jim
If the FUSE is still available (this model could be as much as 50 years ago!!), the fuse is wired into the 120 volt circuit near the projection lamp. Check with: www.micro-tools.com
for availability. good Luck!! Jim
This projector is at least 50 years old. Parts will be a real adventure to find at this point. More than likely the cause of the failure is the Cycle Solenoid, the Link that attaches the plunger of the cycle solenoid to the slide change mechanism, or both. I am unsure if the parts you can buy from www.micro-tools.com
will fit in your projector, as I do not have any repair documents that old..... Sorry I can't be of more help!! Jim
This problem is caused by the cycle contact requiring an adjustment. Unplug the projector, remove the lamp module, turn the projector upside down & remove the bottom cover. Near the center of the projector is the Slide Change Mechanism. At the center of the mechanism is the Camstack. Refer to the illustration for the correct position of the clutch contact to the cycle pad. You will have to bend the clutch contact wire (GENTLY) a little bit, then plug in the projector & cycle it Forward a few times and check the position of the wire to the pad. This adjustment usually takes a trained hand a few times to get the position correct. If you don't want to tackle it, contact a factory-trained repair dealer for assistance. Good Luck !!