Harrison sk -619 industrial overlocker manual

It may be that the blades are not as sharp as they should be. You can improve the edge on a 5000 grit whetstone or just try another set of blades.

2pc Set Serger Knife Overlock Blade - Upper and Lower

Amazon.ca https://www.amazon.ca > ...

2pc Set Serger Knife Overlock Blade - Upper and Lower - Brother 925D 929D ... Return policy: Eligible for Return, Refund or Replacement within 30 days of ...

With lack of model number provided, Generic Videos below.

Question edited for clarity, 'make model (what it is)'.

It is only available in South Africa. We are in North America. Try contacting Gemsy direct, in this link

https://www.google.com/search?q=Gemsy+SG7724+manual

..

internet or this sight has them

Repair service in Africa that may have a manufacturer service manual as they list another Harrison overlocker on their web page.

https://www.facebook.com/pg/africasewingmachines/about/?ref=page_internal

https://www.facebook.com/africasewingmachines/posts/harrison-4-thread-industrial-overlocker-with-elastic-metering-device/1832087483604371/

manualsonline.com, or manufacturer

try this go to
threading guide diagram Google Search

THERE IS THE PAN UNDER THE SEWING MACHINE. LOOK FOR A MAX OIL FILL LINE. HERE'S WHERE TO PURCHASE INDUSTRIAL OIL.
https://www.google.com/search?q=industrial+sewing+machine+oil&es_sm=122&source=univ&tbm=shop&tbo=u&sa=X&ei=ipHOVIieHIWwyATT44LoAw&ved=0CIgBELMY

try these links and see if they can help you with a manual

Typical GC6 1 D3E

http://www.sewingindustrialmachines.com/

GC6 1 HIGH SPEED industrial sewing machine new

I would suggest contacting the manufacturer
http://www.japsew.com/

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