Nikon MD-12 Grip that is a PAPERWEIGHT - Help

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17 Feb 2013 - 5:04 AM

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66tricky

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17 Feb 2013 - 10:11 AM

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Quote: Nick has just reminded me of something. There's a retractable plastic pin in the remote release connector that tells the drive that the cord has been plugged in. I can't remember whether the release button is disabled when a cord is plugged in. Squirt a little WD40 into the socket and check that the pin moves freely. Gentle use of a bradawl should free up the pin and that might cure the problem.

My memory is hazy because it's more than a decade since I used an MD12.

Avoid using wd40. It eats polycarbonate and some polystyrenes so unless you know that the pin and neighbouring components are not either ( polycarbonate is widely used in injection moulded structural parts) thenI wouldn't risk it. I dissolved the polycarbonate on a battery cover door once before I was aware of the issue.

Sooty_1 (Critique Team)

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18 Feb 2013 - 10:20 PM

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You shouldn't need any oil. The bearings and gears in camera equipment are lubricated with very tiny amounts of grease (usually graphite) and introducing more is a big no no.
If dismantling, use a digital camera to make visual notes as you go along.

Photowyzard

21 Feb 2013 - 1:36 PM

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Really good news!

I fiddled with the drive sprocket and the metal pin dropped INTO the housing. I then did some more scraping on the pins, changed the batteries to a brand new set (second new set) and guess what!!!!


Puuuurrrsss like a kitten!!!!



Thank you for all your help. I was lucky that I did not have to disassemble it. I greatly appreciate the time you all spent on this Nick, theWilliam and 66Tricky.