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Posted

Your machine may, at some point, have been set up for small operations using a special throat plate with a small opening and a very small feed dog like this: IMG_6837.jpg

This particular gauge set allows a maximum stitch length of about 3mm. If you want to prevent the operator from accidentally dialing in a larger stitch length that would damage parts, it makes sense to install a special cover plate that limits the movement of the stitch length lever. 

Uwe (pronounced "OOH-vuh" )

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  • 5 weeks later...
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Does anybody have the service manual for the old casting Pfaff 335? I can't find it anywhere. My needle came out alignment and needs to be re-centered on the feed dog hole. If you know how to make this adjustment please help!!

Best,

Matt

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Posted

Also a link to a service manual may be found in this topic (linked by Uwe)

 

Houston, we have a problem

Posted

Please start a new topic for your Necchi when you get it.

Uwe (pronounced "OOH-vuh" )

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  • 1 year later...
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Posted

Anyone know the max stitch length an old Pfaff 337-734/01 2/21-921/01 900/51 BS N 36 is supposed to be able to do? It seems I can only get 3mm max and would like it to be closer to 5mm? Is there a way to adjust it or is that the limit of the old Pfaff 337-734?

Thanks,

Billy   

stitch_arm.JPG

model.JPG

Posted (edited)

The modern version of the Pfaff 337 lists a max stitch length of 3mm of the lower feed dog and 6mm of the upper feeding foot. The english version of the manual is plain wrong  - the German version talks about 3mm lower and 6mm upper fabric transport. There is only one feed dog. The upper feed can be adjusted smaller to match the feed dog at 3mm max., but you can't adjust the feed dog feed movement up to match the upper maximum feed of 6mm. You could, theoretically, remove the feed dog and only use upper feed, but that's unlike to give satisfactory results.

Your type plate also shows "BS N 36". The "S" simply indicates fabric (Stoff). I doubt they ever made a leather version of this sleeve setter.

Here's the english (wrong) spec page:

 Screen Shot 2018-07-20 at 12.23.01 PM.png

Here's the original German spec page:

Screen Shot 2018-07-20 at 12.30.27 PM.png

 

Don't be afraid to start a new topic. This Pfaff 337 info doesn't really belong in a topic about the Pfaff 335.

Edited by Uwe

Uwe (pronounced "OOH-vuh" )

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Thanks Uwe and I wasn't thinking when I posted under the 335 post. However during lunch I was able to find your post that had the pdf for An Introduction to the Pfaff Numbering System which I wish I had found a few weeks ago! :) It has a lot of the answers I have tried to find over the past few weeks. I think the 337 will be ok for now for what I'm wanting to do with it and if I come across a 335 I'll know what to look for. 

Billy

  • 3 years later...
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Posted
On 1/12/2017 at 9:02 PM, leatherdog said:

i have both the service manual and the parts list -  see attached

pfaff 335 old casting parts.pdf

pfaff 335 parts.pdf

the service manual is too large to attach.  if you send me a message with your email address enclosed, i can send the service manual

 

peter

Hello Peter / "leatherdog"

I live in Germany in Kaiserslautern - actually the city where my vintage Pfaff 335  (model: 335- 132B H2S, Serial# 4  853051) where manufactured in the year 1954 -  in order to understand my machine better and i am able to do some adjustments and updates - I would be very happy to ready your pfaff 335 old casting parts.pdf    pfaff 335 parts.pdf and the service manual . Please send me these pdf files

- Unfortunately the famous Pfaff company is no longer existing,  all  buildings are teared down  and the whole former company area is today under re-construction ... I still remember that around the 1980 about 8000 people where employed by Pfaff ... .
I bought my  machine a few years ago via ebay...

 

THANKS for all efforts!

best regards
Helmut

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