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Pfaff Hobbylock 788 Serger won't work

I haven't used my serger for quite a while. I got it out today, threaded it and it was working fine, then all of a sudden it just stopped sewing. Is has power and the doors are shut.

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Does it still make noise? Maybe it needs a new belt or just some oil?

Posted on Jan 13, 2009

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Pfaff hobbylock 776


it would be a good idea to have the pedal and the machine both checked. only a sewing machine repair shop can tell you what the problem is.

Jun 24, 2013 | Sewing Machines

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How do i tighten the needle holder on a pfaff 788 hobbylock serger


Hi,
I have the same problem, thee needle holder shaft swirls from left to right, is very loose. Maybe there is a screw missing, but which one? Please look at the pictures.
Ninchenx3_1_2013_11_30_56_am.jpg3_1_2013_11_31_14_am.jpg

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Pfaff serger hobbylock 4870 converter stuck on on


Have you tried gently wigging the hand wheel while attempting the change?

Aug 30, 2012 | Sewing Machines

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HELP PLS. pfaff serger, hobbylock 788. it has been working fine. today i cant turn it on at all. what could be the problem?


Is one of the front covers open slightly? these will both have safety cutouts on them.

If not that, then could be foot control and cord that has a fault. Are you getting power to the light on it? Can you hear the engine humming? If there is nothing, then start by testing the foot control and cord.

You can probably buy a replacement foot control on one of the sewing part sights such as www.sewusa.com or www.sewingpartsonline.com

Jun 17, 2011 | Sewing Machines

2 Answers

I need a manual for a Pfaff Hobbylock Serger 4762, where can I find one


I can't find a manual for this model, however there is a general hobbylock book http://sewingonline.co.uk/library/know-your-pfaff-hobbylock.html which would certainly be a good start.

You may find best source is to contact Pfaff locally and source it from them direct.

You could also try www.diplodocs.com, I can't see this manual but if you go through similar model numbers manuals you may see one very similar. Overlockers/Sergers are very similar in many ways so once you've mastered one, the next one is pretty straight forward. Four tension knobs, 2 needles and 2 loopers is the norm - to get a three thread stitch you just don't thread one of the needles. Tension adjustments alter the stitch formation, and you should have a stitch length knob on the right side of the machine along with a flywheel and if it has it, differential feed (which controls the feed dogs so you can stretch, or compress the fabric as it goes under the foot).

There are some good general how to use a serger books in the marketplace too which should help. Threading up, many machines have a diagram inside the front flap, colour coded dots on the knobs, eyelets and loopers. And oiling points are often marked on this diagram too. But basically oil the two loopers where they slide/move on another metal part. Some good info here too http://sewing.about.com/od/sergersoverlock/Sergers_Overlock_Sewing_Machines.htm

Hope this assists you a little.

Apr 18, 2011 | Sewing Machines

2 Answers

Hobbylock 797 how to thread


The hobbylocks all thread in much the same fashion.  There is a diagram for a four thread hobbylock on this website.  It would be better if you found a Pfaff dealer to show you as it is quite complicated.

 

http://www.pfaffmachines.co.uk/overlock/pfaff-hobbylock-2-overlocker.htm

 

Once you have it threaded, always cut the old threads at the spool and knot new ones on and pull through.  You will have to thread the needles as the knots will not pass through but it does save an awful lot of frustration when needing new colours on the spools.

Mar 28, 2011 | PfaFF Sewing Machines

1 Answer

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Mary - I sympathise with you regarding the "vague manual directions". I have a Pfaff 4862 and if I hadn't found the video, I would never have managed to get it working. There are animated videos at the Pfaff website, just not sure if they would still have them up for the older models - but worth a try, surely.

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1 Answer

Price of hobbylock 794 in todays market.


Price depends upon how much the machine has been used & what condition it is in. My hobbylock 794 has barely been touched since it was first made and they advised I just throw it out instead when I took it in for a little 'freshening up' at Quality sewing & vacuum in Washington! Everywhere else I've had great feedback that this is a good serger, so check out what similar machines are selling for on Ebay... you could get $100~$400 for your trusty serger {depending on supply & demand}.

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Baby Lock Eclipse threader looper


Do you know the looper threader broken can be repair by yourself? I suggest you to order the following product:
Sewing Machine Repair Guide
It's a professional repair guide written by an expert. Besides PfaFF sewing machine, you can learn how to repair other brands of sewing machine as well. The author claims that you can earn money after you had learned the repair skills!
Good luck.

Sep 26, 2008 | PfaFF Hobby 4260

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