Minolta Autocord, B shutter setting not working

quickbrownfox

Member
Joined
Apr 11, 2012
Messages
58
Location
East Coast A
Format
35mm
Hi, i just thought I'd post this for all the other novice "repair men" out there, I purchased a non working minolta autocord (sold in "good condition, i dont know anything about cameras though, as is, no returns"...lol) with a seikosha-mx shutter.
After freeing up the shutter, the B mode worked only at about 1/60th of a second and wouldnt hold open. After a reasonably straight forward disassembly i got the shutter open and after a long hour of trial and error i found the problem.

the glowing red screw was very tight and the movement underneath it was stuck fast. A touch of Naptha and skerrick of silicone lube got it moving freely and voila! B mode now works fine..
 
OP
OP

quickbrownfox

Member
Joined
Apr 11, 2012
Messages
58
Location
East Coast A
Format
35mm
The screw driver is touching the high speed spring and as far as i can tell its meant to be loose unless 1/500th is engaged.
 

HomoObscura

Member
Joined
Aug 24, 2012
Messages
1
Format
Medium Format
Thanks for sharing!
What do you mean "freeing up the shutter"? Do you mean dismounting until you reach it?
 
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OP

quickbrownfox

Member
Joined
Apr 11, 2012
Messages
58
Location
East Coast A
Format
35mm
Sorry about the long time in responding i didnt get a notification of a reply! I bathed the shutter leaves in lighter fluid to remove what seemed to be about 400 years worth of tobacco residue etc..
 
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