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Re: Blower Motor - testing Posted by Andrew [Email] ![]() ![]() In Reply to: Blower Motor - testing, bg, Fri, 4 Oct 2002 13:44:56 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Do NOT reinstall the thing if there is any noise.. especially if noise is evident when spinning by hand.
New (or V heathy facsimile) should have a clean/smooth commutator.. the brushes should have 60% or more life left (look at the brass tubes that contain the brushes and see where the copper braid is.. it's attached to the top of the brush) when new the Braid is close to the top of the brass brush holder tube. Check the shaft bushings for slop.. there should be none. Is the spring clip "stop" still on the brush end of the Motor shaft? this keeps the commutator centralized .. motor will run without the stop.. for a while ;-)
Assemble the Fan unit then onna Bench, apply power from a 12v battery to the black and green wires.. should be lotsa Air noise but NO whining whirring.. If there is noise recheck everything and if it is the Motor.. Buy a New one.. noise inna Cabin will drive you Nutz quickly ;-).
posted by 209.52.7...
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