Archived posting to the Leica Users Group, 2013/06/16
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Does it work with lft the table up to the baseplate? Kidding Ph Le 16 juin 13 ? 22:37, Douglas Barry a ?crit : > I have about five or six OMs and found that same shutter problem > with one of them - an OM1. However, thanks to a tip from my local > photography shop, I got it to work without dismantling or taking a > screw out of it. > > This is the tip. Find an old wooden table. Raise the camera about a > foot and a half off the table. Angle the baseplate so that it is > parallel to the table. Bring it down swiftly, while ensuring that > the baseplate remains parallel to the table, until said baseplate > strikes the table evenly along the baseplate length. The shutter > mechanism will immediately commence working. > > May the force be with you....... > > It's not a joke, this does work! > > Douglas > _________ > Douglas Barry > Bray, Co. Wicklow > Republic of Ireland > > ----- Original Message ----- From: "Vick Ko" <vick.ko at sympatico.ca> > To: "Leica Users Group" <lug at leica-users.org> > Sent: Sunday, June 16, 2013 4:52 PM > Subject: [Leica] Fixing a jammed OM4 > > >> I bought an Olympus OM4 with a jammed film advance and shutter. >> The metering and battery check still worked, but the camera shutter >> and film are advanced and jammed, and the camera won't fire at B or >> 1/60 sec, the manual speeds. >> >> Searching the web, this seems to be a common flaw in the OM4. >> >> Here is how I fixed it. >> >> This photo, credit Rui Jorge Moreno, is a start: >> https://lh4.googleusercontent.com/-6NZb8Rbu3v0/UE2zl5Q7u-I/AAAAAAAAAfk/-iWGqgtu4Xk/s720/2012-09-10%252000.49.24.jpg >> >> The pictured plate is the main sycnchronizer gear for the film >> advance, shutter tension drum and the mirror actuation. >> >> First, the plate needs to be removed. Take off the three screws >> shown. >> >> Then, clean out the gears around. Turn the shutter to B or 1/60 >> (manual setting). >> >> If you press the shutter release, you'll see that the thin bar to >> the bottom of the photo moves. There is a pair of lever under the >> silver gear that also moves. If you move the top and bottom, >> you'll see that the film advance frees up. That is a great >> essential first step. >> >> Also look at what the big thick bar is doing. It activates the >> mirror movement, and it needs to move too. Take this opportunity >> to study the mechanism and clean things. >> >> On my camera, the reverse lock (forked) lever was completely loose. >> It is also under the silver gear and needs to move freely. You >> need to remove the mirror mover bar, via its big cross-head screw. >> THIS SCREW IS A LEFT HAND SCREW !!!!! Remove the bar and secure >> the reverse lock (forked) lever. >> >> Then put the mirror lever back into place. >> >> Now, the camera gears need to be timed correctly. You will find >> that the film advance finishes in 3 positions. One is the correct >> one - and it ends with the rabbit ears of the silver gear in the >> right place, per the photo. >> >> Under the synchronization plate (that you've removed), you'll find >> the shutter tension drum. Advance it to the tensioned position - >> it will click into place. Advance the film advance to the right >> place. Now re-install the synchronization plate, with the gears in >> the right place and the cutouts in the correct orientation. >> >> Now it should all work. >> >> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information One sees clearly only with the heart. What is essential is invisible to the eye. Antoine de Saint Exup?ry in Le Petit Prince. NO ARCHIVE