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Sip scroll saw and others

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denys GRAHAM21/02/2015 15:31:37
4 forum posts

I bought a SIP scroll saw several years ago and apart from an initial 10 min try out has just sat in my workshop supposedly collecting dust. Now that I need it to cut out templates it is not working at all. Checked the electrics fuse which needed replacing and ensured that the mechanical movement was free and had not seized up. However when pressing the on switch there is a quiet buzzing but no other movement. I have rotated the motor connection to the arm drive which moves freely. My suspicions are with the motor but it is really unused. Do I just give up and get another or can anyone suggest how I might retrieve this DENYS.

Ron Davis22/02/2015 17:44:20
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1614 forum posts
201 photos

I have had this buzzing on a couple of machines before and it turned out to be the NVR switch, as you are now out of warranty, sadly you may have to buy one

Ron

PS I now get my blades from Alwayshobbies, they sell them by the dozen, you will need them.

daveO22/02/2015 17:56:57
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250 forum posts
32 photos

Well its been awhile since I posted on here however

Denys

if its humming but not running, then the chances are that its the capacitor, although its a relatively unused machine it could be caused by ingress of damp over a period of time, and also that you had to change the fuse for no apparent reason says a lot.

cost of capacitor probably about £15 if you can fit it yourself then fine if not maybe E bay it as spares or repair bite the bullet and buy new

Dave

denys GRAHAM23/02/2015 11:24:56
4 forum posts

any suggestions Hi Ron & Dave. Much appreciate your suggestions.Actualy I did suspect the n v r. Switch as well.as I opend it up to check connections etc. All seemed fine but of course with the electronic components it would not be detectable on visual inspection. Am I correct in assuming that the capacitor is part of the n v r assembly. I have some experience of minor electronic project etc so will have a go and let you know before it getsscraped

daveO23/02/2015 15:41:29
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250 forum posts
32 photos

Denys

the capacitor will be on the side of the motor, can you not by pass the NVR first to verify

Dave

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