I have an older Necchi (523) that I'm trying to re-add grease to. A video I found said not to add grease (Tri-Flow Clear Synthetic Grease was recommended) to any plastic gears. There are obvious clumps of grease remaining on a plastic gear. Ideas? Where else should I add grease?
When I repair a machine I use triflow oil on any metal to metal rotating part ie back and forth. On metal gears I put the tri flow grease. You can use it on plastic gears although sparingly. the nylon gears were design for quietness and were not recommended for grease. You want to get the old grease off as best you can. If it goes up and down or side to side then oil. If it continuously rotates then grease. Exception those bearings that have an oil hole vs a grease cap.
here is a free manual from singer, look in it and see if it show about
oiling the machine, if it doesn't contact singer and see if the machine
is one of the self oiling machines
http://www.singerco.com/uploads/download/438_3116.pdf
Customer Service: 1-800-4-SINGER (1-800-474-6437
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