Posts: 52
From: Philadelphia, PA
Registered: Jan 2018
posted October 15, 2018 12:39 PM
Hello,
This afternoon I popped the back off my Dual 8 projector. As I suspected, the main drive belt is loose and will need to be replaced. I am sure I can source a new belt, but the trouble is removing and replacing. I have seen past threads where other folks have had this machine and seem to hit the same wall. Is anyone aware of where I could get a service manual for this projector? Even better if since the last thread (2015 roughly) someone has replaced a belt on a similar machine and has some tips.. Below is a picture of what I am dealing with.
Posts: 3468
From: Sunnyvale, CA USA
Registered: Sep 2011
posted October 15, 2018 02:35 PM
Hi Greg... I can tell you from experience that the service manual will not help in replacing that belt. I have replaced several belts on these machines...but not in the traditional way.
You will need to buy some Urethane round belting material. I found it on Amazon.
You cut the old belt off and can use it as a guide for measuring the length for the new belt. I just wrapped the urethane belt around the pulleys. I tape one end to one of the pulleys to hold it in place. Then using a soldering iron ... or you can use a lighter or candle...melt the ends of the urethane and join them together. It cools down and hardens very rapidly so work quickly. It takes a little practice...but it will make a very strong belt.
-------------------- Janice
"I'm having a very good day!" Richard Dreyfuss - Let It Ride (1989).
Posts: 52
From: Philadelphia, PA
Registered: Jan 2018
posted October 15, 2018 04:34 PM
Janice-
Thanks for the tip. I guess that is the route I will take. I was hoping there were some service guides kicking around to show how it comes apart, but this works for me. I have a portable soldering iron that should do the trick. I will report back once I get the belt and solder it on.