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Diana/Original Mod. 6 Pistol Threads ?

SteveMedlock
(@stevemedlock)
Member Registered

Hi,

I've just been trying to work out what thread was used on the 'cam wheel' screws on the model 6 Giss system pistols. The dia measures 13.85 and the thread appears to be .5mm. I've managed to order a new cam wheel screw, at huge expense, from Italy but the thread in the tube body needs cleaning up a little.

 

Steve.

 

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Topic starter Posted : 14th December 2020 16:57
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marflow
(@marflow)
Member Registered

i grab an extra model 6 tube i have and think it is a m14-14mm and the treads themselves are very fine and maybe as stated 0.5 

i do have a thread checker that goes to 14mm but the smallest thread is a 1.25 and that is considered fine

they make m14 x 0.5 taps 

Amazon.com: M14 x 0.5 HSS Metric Right hand Thread Tap 14mm: Home Improvement

but have no idea if it correct but it would be my guess 

you can get a tap and die on Ebay from China fairly cheap  

 

 

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Posted : 15th December 2020 00:50
SteveMedlock
(@stevemedlock)
Member Registered

Marflow,

Thanks for the reply. As I was reading this, the new 'cam wheel' arrived from Italy (less than 2 days!) and it does measure 14mm so my old ones must have worn slightly. So yes, I'm fairly sure that thread is M14 x 0.5mm although that must be very rare.

I may order the tap although this is going to be an expensive restoration!

 

Thanks

Steve.

 

 

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Topic starter Posted : 15th December 2020 10:45
marflow
(@marflow)
Member Registered

Steve i must ask did the cover have a hole in the thread area and i assume you got it OMPS-2

where are you at, in the World, Washington states for me 

and why is it turning into an expensive restoration ???

i have done about a half dozen of the model 6's just curious what your journey has been with yours, would be happy to help if i can 

i wonder if cleaning up extra fine threads could be a problem, even though it needs to be done, i don't know 

in any case take care 

mike wolfram

 

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Posted : 15th December 2020 20:18
SteveMedlock
(@stevemedlock)
Member Registered

https://www.vintageairgunsgallery.com/image/eK4JJ

Hi Mike,

No, the cover doesn't have the hole in the thread - its a little different to the 'Original' ones. The thread is also very tight in the body tube. Yes OMPS2.

I should have got a pair but the single one cost 41 Euros incl shipping and I've ordered a Chinese tap which is another £20 or so.

A gun shop has one for £70 - I'm beginning to think that I should have bought that for spares instead.

I'm in the UK - I did have relatives in Spokane but no longer

Regards

Steve Medlock  

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Topic starter Posted : 16th December 2020 11:37
marflow
(@marflow)
Member Registered

John Knibbs have them listed but are out of stock 

the gear pin looks larger in the picture 

how the heck did a cap pin get snapped off 

and i would get one to match at some time, more money 

and also it might of been a good parts gun 

some times you can find these cheap on Egun in Germany the auction site and if they will ship them 

eGun

if you need any help just post, i have rebuilt half a dozen of the 6's and own 9 i think, lost count and some 10's and and and, i'm a hoarder LOL

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Posted : 16th December 2020 20:28
SteveMedlock
(@stevemedlock)
Member Registered

Well the tap arrived from China and I was able to very carefully clean the threads in the tube. A little fiddly getting it back together but no real problems. The pistol is shooting nicely again!

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Topic starter Posted : 13th January 2021 17:05
Garvin
(@garvin)
Curator in Chief Admin
Posted by: @stevemedlock

Well the tap arrived from China and I was able to very carefully clean the threads in the tube. A little fiddly getting it back together but no real problems. The pistol is shooting nicely again!

Well done Steve! 👍 

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Posted : 13th January 2021 17:10