420 set screw on fan blade

tzbmcp · Post by **tzbmcp** » Fri Jul 15, 2011 8:30 pm

minimal torque on fan blade set hex screw and it broke right off. options?

Willyr · Post by **Willyr** » Fri Jul 15, 2011 8:44 pm

Take a look at this diagram and tell us what you broke.

Willyr · Post by **Willyr** » Fri Jul 15, 2011 9:22 pm

More than likely you will have to drill the center of the bolt warm it up with a torch then use an easy out on the hot surface and try to remove the bolt.

Post by **Lavoy** » Sat Jul 16, 2011 12:26 am

Set screw will be hard to drill. At this stage, I would pull the radiator so you have room to get at stuff. Weld a nut to the broken off set screw, and it should back right out.
Lavoy

tzbmcp · Post by **tzbmcp** » Sat Jul 16, 2011 7:17 am

thanks. radiator is off.

tzbmcp · Post by **tzbmcp** » Sat Jul 16, 2011 7:25 am

is set screw a specific part or might i be able to find replacement at hardware store?

Post by **Lavoy** » Sat Jul 16, 2011 6:29 pm

Might find it at a hardware store, it is just a 5/16" coarse thread set screw, length you can figure out. In a pinch, you can use a bolt.
Lavoy

tzbmcp · Post by **tzbmcp** » Sat Jul 16, 2011 7:23 pm

thanks much, found near exact match at local ACE hardware. got bolt out nearly effortlessly using Alden Drill Out - highly recommend this as I've never been a fan of easy out. this thing has drill bit on one end and extractor on other. very easy to use. swear i dont work for the company.

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420 set screw on fan blade

420 set screw on fan blade

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