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Seiko stw-8b/Consew 226 belt guard removal, and position of reverse lever, screw in balance wheel


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Posted

I am new here, and have already gained a lot of knowledge just by reading through the questions and answers in this forum. I am not a leather worker but would like to start sewing with heavier duty fabrics, hence buying this machine. I have previously worked on lots of domestic sewing machines, particularly old Singers, and have gone from rarely even changing the needle or doing any oiling (I was never taught maintenance!) to getting old machines going and learning basic maintenance. However, this is my first industrial machine. I bought it from someone who oiled it but that was about it. He kept it at the same stitch length all the time. He didn't even know what the 2 buttons were for although he'd done a lot of sewing on it. I have done some cleaning and oiling and it stitched OK though I have yet to master the whole 
stitch length thing.....

Here are my questions.

1  Most machines I see do not have a belt guard on, which is interesting. I went to remove mine, as I realized it was slightly out of position, meaning I couldn't get the bobbin winder in place correctly. Then I realized that I could only remove it if I removed the balance wheel, as there is a screw holding the guard on, which you can only get to if you do so. I removed the two screws in the wheel and had a bit of a go but it's stuck fast. I could probably just push/bend the guard out of the way of the bobbin winder a bit and be happy with that, but I'd really like to remove it, but am I just giving myself a lot of work which might also give me more problems when I go to replace it? My husband thinks I am.  (I have removed balance wheels plenty of times on domestic machines.)  I have read a post on here by a lady who removed the balance wheel with a puller thing (sorry, have forgotten the correct name) and I realize it could be tricky, to say the least. 

2 There is no screw (I think it's called the adjusting screw) in the balance wheel - does it matter that it's not there?

3 As you can see in the photo of the reverse lever, there is an indent where the lever has clearly been catching - for decades, I would think, to make an indent like that. I assume something needs adjusting but can anyone tell me what exactly?

I have looked all over the internet, and in manuals including military ones, and watched lots of videos but I can't find the answers, so if anyone can help I'd be very grateful!

Lizzie, in Oxfordshire, UK

 

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Lizzie, UK

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Posted

Lizzie, 

Hmmm, I have the Consew 255 machine, no belt guard on mine. So I am not quite sure what to say about removing it. 

So I am just saying Welcome!

 

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Posted

There are often two screws securing a balance wheel to the top shaft.

Posted IMHO, by Wiz

My current crop of sewing machines:

Cowboy CB4500, Singer 107w3, Singer 139w109, Singer 168G101, Singer 29k71, Singer 31-15, Singer 111w103, Singer 211G156, Adler 30-7 on power stand, Techsew 2700, Fortuna power skiver and a Pfaff 4 thread 2 needle serger.

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Posted
2 hours ago, Wizcrafts said:

There are often two screws securing a balance wheel to the top shaft.

Yes, as I said, I did remove those but then realized that the wheel wasn't going to come off at all easily!

Lizzie, UK

  • Members
Posted

You will probably need a pulley/gear puller, very useful for tight pulleys. You should be able to get one on ebay or your local auto shop. Or you could try tapping (gently) around the inside rim with a rubber/nylon/leather mallet to try and loosen it.

None of my machines have guards 'cos real sewers don't need them.:)

Machines wot I have - Singer 51W59; Singer 331K4; Seiko STH-8BLD; Pfaff 335; CB4500.

Chinese shoe patcher; Singer 201K (old hand crank)

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Posted
11 hours ago, dikman said:

You will probably need a pulley/gear puller, very useful for tight pulleys. You should be able to get one on ebay or your local auto shop. Or you could try tapping (gently) around the inside rim with a rubber/nylon/leather mallet to try and loosen it.

None of my machines have guards 'cos real sewers don't need them.:)

I knew there had to be a reason why so few machines I've seen photos of had guards!

I did try tapping the wheel gently but had no luck. My husband had thought that I might perhaps have trouble getting the wheel back on in the right position, if I did get it off. what do you think?

I think I might investigate buying or borrowing a gear pulley, as I hate the guard being there. Especially now I know that real sewers don't need them....

Lizzie, UK

  • Members
Posted

You could try heating the handwheel with a heat gun - It's aluminum, so that might expand it enough to pull off.  Other than that, if you've already removed the set screws in the belt groove, you'll need a gear puller, something like this :  https://www.harborfreight.com/gear-puller-set-15-pc-62958.html

Don't be tempted to use one of those "3 jaw" pullers, as you'd probably destroy the handwheel.

The model number giveth, and the subclass taketh away ......... Sometimes

  • Members
Posted

You could mark the shaft and pulley with a permanent marker first, or a small scratch mark, if you're worried about aligning it. Once it's off if you clean the shaft and inside the pulley thoroughly it should go back on ok. Steel wool might help if solvent won't remove any built up gunk.

The heat gun might be worth a try.

Machines wot I have - Singer 51W59; Singer 331K4; Seiko STH-8BLD; Pfaff 335; CB4500.

Chinese shoe patcher; Singer 201K (old hand crank)

  • Members
Posted
22 hours ago, dikman said:

You could mark the shaft and pulley with a permanent marker first, or a small scratch mark, if you're worried about aligning it. Once it's off if you clean the shaft and inside the pulley thoroughly it should go back on ok. Steel wool might help if solvent won't remove any built up gunk.

The heat gun might be worth a try.

By "pulley" do you mean the balance wheel? If not then I'm confused...

Lizzie, UK

  • Members
Posted

Thank you to all who have replied. I'll let you know if I manage to get the wheel off.

However, no-one has answered my questions 2 and 3...... I'd be very grateful to anyone who can.

Lizzie, UK

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