Don't do it yourself, there are actually very few people in oz that can do it. If you stuff it up you may as well buy another scope. Bintel can't do it either.
A little while ago I set up my 102 in the late afternoon as the sky's were clear. I went back in the house and waited for darkness to fall. A storm rolled in and my gear got soaked. Some water had gotten trapped between the two lenses. I took it to bintel to see if the could open it and clean it for me, they couldn't because no one here can collimate refractors. I would need to send it back to the us to get serviced. Luckily they were able to get rid of the water with no visible water stains between the two lenses, the got rid of the water by leaving it in an oven on at 50 deg, and evaporated it all away. Never charged me penny for it either.
So I wouldn't mess around with it.
Sandy
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