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Location is everything.


Mechanics, how the HMMWV's fan shroud holds up has a lot to do with how well it's installed. You can't just bolt it in place and expect it to come back in one piece.

You need to properly adjust the fan shroud to ensure there's enough clearance between it and the fan blades. Otherwise, the blades hit and crack it during operation. You may even shatter shat·ter  
v. shat·tered, shat·ter·ing, shat·ters

v.tr.
1. To cause to break or burst suddenly into pieces, as with a violent blow.

2.
a.
 a fan blade.

Closely follow the installation instructions that start on Page 3-I 10 of TM 92320-280-20-2 to install the shroud properly.

Don't Forget Strap

After the shroud is properly positioned, don't forget to attach the radiator radiator, device used to heat an area surrounding it or to cool a fluid circulating within it. The familiar radiators of steam and hot water heating systems in buildings are misnamed, as they operate principally by convection, in which heat is transferred by air  retaining strap, NSN NSN National Stock Number
NSN Nokia Siemens Networks
NSN National Storytelling Network
NSN NATO Stock Number
NSN New Substances Notification (CEPA)
NSN National Student Number (NZ)
NSN Never Say Never
 5340-01-251-0724. It secures the tot) of the shroud to the radiator.

Without it, the shroud moves around and hits the fan blades. Once again you have a damaged shroud.

Just lock the strap in place with a blind rivet rivet, headed metal pin or bolt whose shaft is passed through holes in two or more pieces of metal, wood, plastic, or other material in order to unite them by forming the plain end into a second head. , NSN 5320-01-023-2529, using the blind riveter from the organizational maintenance That maintenance that is the responsibility of and performed by a using organization on its assigned equipment. Its phases normally consist of inspecting, servicing, lubricating, and adjusting, as well as the replacing of parts, minor assemblies, and subassemblies.  tool kit.

Replace or Repair?

If the shroud does have minor damage, you can repair it using the fiberglass repair kit, NSN 2090-00-372-6064. Cracks and breaks that you can fix without removing the shroud are considered minor. Major damage means you'll have to replace the shroud.
COPYRIGHT 2005 PS Magazine
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Copyright 2005, Gale Group. All rights reserved. Gale Group is a Thomson Corporation Company.

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Title Annotation:HMMWV ...
Publication:PS, the Preventive Maintenance Monthly
Article Type:Brief Article
Geographic Code:1USA
Date:Apr 1, 2005
Words:201
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