Forums: Skydiving: Gear and Rigging:
132k6 thread jam

 


cooperf1  (B 1379)

Mar 28, 2012, 11:24 AM
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132k6 thread jam Can't Post

I've had an issue with my 132k6 for a while. The needle thread gets jammed between the hook and the "position bracket". This doesn't happen on every cycle, and sometimes it will sew fine for a while. The result is needle thread loops hanging from the bottom of the material (at any needle thread tension). So i was curious if anyone has run into this as well:
(jammed.jpg, tight.jpg)

My knee jerk reaction is to just take the position bracket and/or hook to the mill/grinder:
(modify.jpg)

The timing looks pretty good, but maybe the hook is a little close to the needle? When the hook tip is at 12 o'clock, it is pretty close to the middle of the scarf, but as it continues to rotate and the needle goes up farther the gap is reduced to about nothing, perhaps even light contact aft of the hook tip. So maybe a better solution would be to move the bobbin/hook assembly farther from the needle?
I am unable to find a user manual for timing info (only a parts manual) and i have come to the conclusion one doesn't exist.

Any suggestions?


(This post was edited by cooperf1 on Mar 28, 2012, 11:27 AM)
Attachments: jammed.jpg (80.8 KB)
  tight.jpg (74.1 KB)
  modify.jpg (96.9 KB)


councilman24  (D 8631)

Mar 28, 2012, 12:11 PM
Post #2 of 9 (1051 views)
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Re: [cooperf1] 132k6 thread jam [In reply to] Can't Post

See if this one is close enough to help.
http://parts.singerco.com/...stManuals/132B26.pdf

It has timing information.

You should need to modify the factory part. Especially that much!Crazy


(This post was edited by councilman24 on Mar 28, 2012, 12:12 PM)


cooperf1  (B 1379)

Mar 28, 2012, 12:28 PM
Post #3 of 9 (1045 views)
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Re: [councilman24] 132k6 thread jam [In reply to] Can't Post

I actually have that manual in paper form, but didn't pay much attention to it since the B26 is a double needle drop feed, and the K6 is a single needle walking foot. But now that i think about it there's no reason the timing would be any different between the two.

Thanks for the tip.


masterrigger1  (D 14167)

Mar 28, 2012, 2:12 PM
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Re: [cooperf1] 132k6 thread jam [In reply to] Can't Post

Quote:
My knee jerk reaction is to just take the position bracket and/or hook to the mill/grinder:
(modify.jpg)

I would resist that knee jerk reaction!

First put a new needle in the machine and check the hook to needle clearance.
If you can, use the maximum distance betwen the two before it starts skipping stitches.

The real problem is that someone has ground the hook point away to make a new smooth point.

This is a standard procedure in lieu of buying a new hook BTW....

By grinding away the point the hook base has to be moved closer to the positioning finger, which as you see by now, can be a bad thing.

I would not grind down the positioning finger to fix a bad hook problem.
Buy a new hook and I think your problems will go away!

Cheers,
MEL


cooperf1  (B 1379)

Mar 28, 2012, 2:52 PM
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Re: [masterrigger1] 132k6 thread jam [In reply to] Can't Post

Mel,

thanks for the reply.
If the timing is good, i was thinking of grinding more relief on the hook. i wasn't going to touch the tip, just remove some material near where the thread jams (aft of the tip).


masterrigger1  (D 14167)

Mar 28, 2012, 2:56 PM
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Re: [cooperf1] 132k6 thread jam [In reply to] Can't Post

Quote:
thanks for the reply.
If the timing is good, i was thinking of grinding more relief on the hook. i wasn't going to touch the tip, just remove some material near where the thread jams (aft of the tip).
It will still bind on the case more than likely.

Either move the hook base away from the needle a little or simply buy a new hook.

When you start grinding stuff, it usually is a just bad thing!

MEL


(This post was edited by masterrigger1 on Mar 28, 2012, 6:53 PM)


theonlyski  (D License)

Mar 28, 2012, 7:21 PM
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Re: [masterrigger1] 132k6 thread jam [In reply to] Can't Post

In reply to:
When you start grinding stuff, it usually is a just bad thing!

Speaking of which, when should I bug you about that info for setting the 143w2 up to accept 135x17 needles? TongueCool


masterrigger1  (D 14167)

Mar 29, 2012, 6:55 AM
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Re: [theonlyski] 132k6 thread jam [In reply to] Can't Post

Try me on Tuesday ..... I should be home by then!

MEL


cooperf1  (B 1379)

Apr 9, 2012, 8:30 PM
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Re: [masterrigger1] 132k6 thread jam [In reply to] Can't Post

I advanced the hook timing. I would guess about 20 degrees.
It hasn't jammed since so i think that was the problem. Thanks for the info.

It seems to be sewing well now with the exception that the thread and/or bobbin tension(s) vary based on the locations of the loops. Without changing anything, and sewing on the same thickness material, sometimes it appears the thread tension is too high / bobbin tension too low and sometimes vice versa. It seems to randomly vary back and forth and everything in between (sometimes the tensions look balanced). Maybe i'm just being picky.



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