Hola Gr420 crew id thought id share my little fan service vid with you guys hopefully it will keep your fans going for ages with a quick service i normally do this every time i clean my groom after each grow
Only attempt this if your are electrical competent person dont want any one frying them selfs @aspie turn the whole house off i know what your like lol
I would leave the fan on then pull the plug out so you know the power has been cut off before stripping down to service.
Tools
Phillips screwdriver
Dry cloth to wipe away dust
3in1 oil or some think simular
O yeah before you all say it the vids 3.43 long not 5 mins i cut out me having a cheeky toke inbetween save you some stoner time watching
To the Video app.php/vblog/mrnice/18/724
Catch ya later guys
hope this helps every one save some dosh and not more fans going to landfill
MN
good idea 
Ta.
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Links