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Very Important! Mark the corrector with tape between the corrector and the side so you can put it back in the exact same place. Do NOT tilt the scope down or the eyepiece will slam into the secondary or the corrector plate, Remove the screws holding the corrector. A strong suction cup can help lift it out (will make a mark to be cleaned later.
Gently tilt the scope down to remove the eyepiece. Re assemble and you will probably have to collumate.
Probably lubricant out-gassing which can collect than drip. Your choices are to contact Celestron service or do it yourself. DON"T PANIC! It is not that hard if you are brave. 1. Use a piece of masking tape on the corrector to the side of the housing.slice it carefully where they meet. This will insure correct alignment with the primary when you put it back together. (Correctors are sorted then oriented to,(as the name says) correct the primary. 2. Remove the corrector plate. Mark any shim locations with a marker on the outside of the corrector plate (remove after re-installation) 3. Make a solution of 50% distilled water and 50% isopropyl alcohol. (97% pure or better- I use 99% pure alcohol) 1 drop of dish detergent may need to be added,depends on the stain. 4. Rinse the secondary until grease is gone. Do not rub mixture on mirror, just keep rinsing. 5. Rinse with pure distilled water,gently stand corrector up to dry. 6. Assemble the scope. Use the same water/alcohol mixture to clean up the outside of the corrector. Dampen cotton balls and wipe with VERY light pressure.Wipe once, throw the cotton ball out and use a fresh one. Do not make the cotton balls too wet, you don't want moisture to get under the corrector. 7. If the stain is really tough, acetone may be used without damage to the mirror surface. 8. Use surgical gloves to avoid fingerprints. 9. Lots of towels at work area in case the corrector slips out of your grip. 10. If you put it together correctly, minimum collimation will be required. There have been a number of these problems cropping up lately, I think Synta is using inferior grease now.If you are really brave, clean the old grease off and add one drop of lithium grease. Run the primary through focus range a few times to distribute. If you do this, you can later flock the inside of your scope to increase contrast.
Yuck! This is probably the primary mirror shaft nut. If you don't do anything it will eventually come off and smack the primary! This is not for the faint of heart. You must remove the corrector plate, reach down and CAREFULLY tighten the nut back up. The corrector plate is oriented to the primary. The manufacturer sorts corrector plates to mirrors. Before you remove the corrector, use masking tape to mark the exact placement of the corrector.(put the tape on the plate and the housing, then slice the tape at the edge). Might as well flock the inside of the scope while you have it open. It will increase contrast!
These parts are only available from Meade, or if you find an old scope on astromart.com that is being torn apart and sold as parts. You might find a replacement gasket at a well stocked hardware store--- maybe?
sounds like the corr tape doesn't have the proper tension on it. turn wheel on corr tape cartridge, or if there isn't a wheel, some don't, there is a little lever to the left and under the left side where the cart. fits down. push this until the arm on the right side moves to the left
place the supply side of the corr. tape on the black unit on the left side of the printhead. if there is a orange thing already on it, pull it off. it is the remains of the old tape. put the tape in the black guide next to the cardholder giving it a 1/2 turn clockwise so that the DULL side of the tape is facing towards the paper. then the tape goes between the 2 metal "fingers" and the card holder and into the black guide at the right, then put the other part of the corr. tape spool on the post on the right side of the machine and turn it until the slack is taken up and the working part of the tape is in the center of the cardholder