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Winder removal Pentax 6x7

derek59
Posted 15/01/2017 - 20:09 Link
Hi Has any ever tried to dismantle the winder on their 6x7 . I have got half way and come to a grinding halt . This has got me stumped .I have checked the on line service manual but it says nothing about how to remove the last nut with the 2 small holes in it part, number C55 .I know it takes a 2 pronged screwdriver or wrench . Can any one help ? many thanks DErek
pentaxian450
Posted 16/01/2017 - 01:09 - Helpful Comment Link
When stuck with something like that, I use two hard metal wires about the size of the holes. When inserted in the holes, using a lever (screwdriver?) between the wires while holding the top of the wires together, I can generally unscrew them. You must not apply too much torque on the lever, otherwise the screw head can be damaged, making it even harder to remove it (most screws are made of rather sort metal).
Yves (another one of those crazy Canucks)
derek59
Posted 16/01/2017 - 07:18 Link
pentaxian450 wrote:
When stuck with something like that, I use two hard metal wires about the size of the holes. When inserted in the holes, using a lever (screwdriver?) between the wires while holding the top of the wires together, I can generally unscrew them. You must not apply too much torque on the lever, otherwise the screw head can be damaged, making it even harder to remove it (most screws are made of rather sort metal).

derek59
Posted 16/01/2017 - 08:21 Link
THANKS 450 . I HAD MY SON FROM CANADA CALL IN WHO IS A TOP GRADE AUTO MECHANIC ,AND FINALLY MANAGE TO SOLVE THE PROBLEM WITH HEAT AND SHOCK . I THOUGHT IT MAY OF HAD SOME THREAD LOCK SO PLACE MY SOLDER IRON ON IT TO UN LOCK IT THEN USED A SHORTENED SCREW DRIVER INTO ONE HOLES THE CORRECT SIZE AND TAPPED IT WITH A HAMMER AND BINGO IT UNSCREWED ,I WAS AMAZED .

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