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Join Date: Jun 2011
Location: West Vancouver B.C.
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Re: Snatch Blocks; In desperate need of cleaning
In going through the new to me boat I removed 7 snatch blocks (with a N M insignia) and they are in need of cleaning. The spring pin on the shackle is very stiff on most of them. I disassembled the sheaves and found they are in very sad shape. I plan to soak them and the roller bearings in a can of kerosene (paraffin for you folks that speak funny English) or maybe Simple Green full strength.
Question is when I reassemble them should I put a light coating of lithium grease on the roller bearings (a la Winches) or just a light oil?
Clean the shackle pin with WD40 or another penetrant. Squirt some in and work the pin in & out - repeat and repeat until it works smoothly. Those pins always tighten up if they aren't worked regularly.
For the rollers, if kerosene doesn't do the trick, try diesel - it cleans things very well, if you can stand the smell. A little white lithium should keep them rolling nicely - be sparing with it or you'll have it on your deck & sails.
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