From: Long Island, NY, USA
Registered: Jun 2003
posted February 01, 2017 06:01 PM
Whichever reel the film is being pulled from should just freewheel. There should be some mechanism inside to direct power based on the direction the film is supposed to be headed.
What's sad is my own Eumig hasn't ever died on me, so I have no clue how this is accomplished on these machines. On the ones I do know there is a lever with a gear that flips back and forth depending on the direction the main shaft is turning and engages the gears for the correct reel.
-------------------- All I ask is a wide screen and a projector to light her by...
The Van Eck website says it has a magnetic motor (aren't they all magnetic?)- not sure that's very helpful. How would I tell whether it has an asynchronous motor?
I took the back off and there appear to be 2 separate cogs on the same spindle which attached to the base of the front arm. The cogs have a thumb wheel and spring providing some sort of adjustment. If I turn the thumb wheel the cog stops moving which is good until the projector is put into reverse - the front reel should then move and it doesn't unless I tighten the thumb wheel. Then I'm back where I started.
posted February 02, 2017 10:08 AM
Indeed Kevin! 😂😂
First off Kevin, we need to establish whether this projector contains an AC or D.C. motor as its source of drive.
If it's a D.C. or "magnetic" motor as some people wrongly like to call these things, then it cannot be due to the theory I have and that I myself have experienced similar happenings many times over in the early years of collecting.
As you quite correctly point out, ALL motors use the forces of magnetism to create movement, just some differently to others.
-------------------- "C'mon Baggy..Get with the beat"
posted February 02, 2017 10:37 AM
I can't think of any Eumig projectors that don't use an AC motor as often they used the motor stator core & windings as the lamp transformer. The similar designed predecessor to the Mk 607D, the Mk 501D does, I have just checked.
posted February 02, 2017 09:38 PM
Perhaps it is because the projector has the multi-motion feature, that is 3/6/9/12/18 fps...I have a Eumig 624 with the same features and the feed spool/front reel spins during operation but not enough to cause the film to spill all over...with no film on the projector if you move the dial to select the different speeds while the projector is running it looks like nothing changes and the front spool is spinning but when running a film the speed at which it is being projected does change and possibly this is why the front spool is turning. All of my other projectors have a front spool that is free spinning.
From: Sunnyvale, CA USA
Registered: Sep 2011
posted February 04, 2017 12:31 PM
I have a Eumig 610D and the front spindle does not move when running in forward. For friction adjustment you can turn the knurled nut to see if the turning stops. You can also check inside the supply reel arm to see if the belt is tight enough and that there are no broken gears.
I have the repair manual... if you want to PM me with your email address I can send it to you.
Good news,bad news! I had (another look inside the front arm and the freewheel metal do-hickey was back to front. After a good 40 minutes trying to get the assembly back together I succeeded and everything worked fine. But...... part of a broken clip/spring thing fell out of the projector and now the high speed rewind doesn't work as the arm that holds the cogs that power the rewind doesn't move up into position. Sigh.
So now I need the metal clip/spring (it looks like it formed a V shape). Does anyone have an idea where a hapless owner might find one (not that I know where it goes!).
From: Sunnyvale, CA USA
Registered: Sep 2011
posted February 05, 2017 02:54 PM
Kevin if you PM me your email address I'll send you the Repair Manual that has all the parts labeled and how they are assembled. Perhaps it will help you identify the part more specifically so to replace it.
"I'm having a very good day!" Richard Dreyfuss - Let It Ride (1989).
posted February 05, 2017 08:03 PM
It's newly acquired (just a week) and I was under the impression that it gently spun because it is a sprocketless projector. I've ran a few films with no trouble really. I will have to look into it further.