Archived posting to the Leica Users Group, 2013/06/16
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]I don't know: it's hard to get viagra here in Ireland..... D ----- Original Message ----- From: "philippe.amard" <philippe.amard at sfr.fr> To: "Leica Users Group" <lug at leica-users.org> Sent: Sunday, June 16, 2013 9:39 PM Subject: Re: [Leica] Fixing a jammed OM4 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 _______________________________________________ Leica Users Group. See http://leica-users.org/mailman/listinfo/lug for more information