service-repair manual for Mamiya 645 Pro

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Armando - 11 Nov 2009 10:23 GMT

Hi,

I need to change the bayonet on my 645 Pro TL camera. A repair manual
could be useful to know how to open the camera body. I didn't find it by
Google...

Any help is appreciated
Thank You
Armando

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Ric Trexell - 12 Nov 2009 17:38 GMT

> Hi,
>
[quoted text clipped - 5 lines]
> Thank You
> Armando

**************************************************************
Many times repair manuals are available on ebay for your camera. The mount
must be exactly what the manufacturer calls for in the distance from the
mount to the film plane. A depth micrometer guage will almost be needed for
this. A repair shop would use a collimator to make sure the focus is
correct. If you don't have these things, make sure any spacers are replaced
where they came from. However, since one mount is different from the next,
even getting spacers replaced exactly might not make for a good set up. Ric
in Wisconsin.

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Armando - 13 Nov 2009 23:21 GMT

> Many times repair manuals are available on ebay for your camera. The mount
> must be exactly what the manufacturer calls for in the distance from the
[quoted text clipped - 4 lines]
> even getting spacers replaced exactly might not make for a good set up. Ric
> in Wisconsin.

Thank You for Your answer.
I think I won't make any change on my camera.
The reason why I bought the bayonet is a little "play" of some heavy
lenses I had noticed. I use the camera for astroimaging and during long
exposures the rotation of the camera (to have no stars motion on the
frame) together with the weight of the lens could cause a little shift
of the lens... But I need to be sure this problem occurs since I have to
make some pressure to be able to manually "shift" the lens attached to
the bayonet.

Thank You again
Armando

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krishnananda - 23 Dec 2009 00:53 GMT

> > Many times repair manuals are available on ebay for your camera. The mount
> > must be exactly what the manufacturer calls for in the distance from the
[quoted text clipped - 17 lines]
> Thank You again
> Armando

John Craig of Craig Camera sells user and repair manuals -- literally
thousands of them. If what you are looking for isn't on his website
<http://www.craigcamera.com> you can contact him directly and request
it. <mailto:john@craigcamera.com>

On his repair manual page he lists various M645 models -- just scroll
down to the "M"s <http://http://www.craigcamera.com/lit_newrep.htm>

He sells both originals and xerox copies, often (but not always) for
less than they can be found on ebay.

Hope this helps.

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Richard Knoppow - 23 Dec 2009 21:48 GMT

>> > Many times repair manuals are available on ebay for
>> > your camera. The mount
[quoted text clipped - 49 lines]
>
> Hope this helps.

I haven't gotten anything from John for a while but
used to do a fair amount of business with him. I can
recommend him. He is honest and friendly. He also often has
stuff that is not on his web site so an e-mail or phone call
is worth the effort.

--
Richard Knoppow
Los Angeles, CA, USA
dickburk@ix.netcom.com

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Michael J - 07 Jan 2010 22:53 GMT

> Hi,
>
[quoted text clipped - 5 lines]
> Thank You
> Armando

Call Mamiya USA at 914.347.3300. You will need the parts manual and
maybe the service manual if you screw up taking it apart......lol

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