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Replace the muffler hardware.

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THE MUFFLER ON THE 3-KW TACTICAL QUIET GENERATOR TAKES QUIET A SHAKING WHILE THE GENERATOR IS RUNNING

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THIS VIBRATION LOOSENG THE MOUNTING HARDWARE AND LEADS TO CRACKS IN THE EXHAUST PIPE.

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A CRACK IN THE PIPE OR MUFFLER CAN LEAD TO EXHAUST SYSTEM FAILURE, WHICH MEANS MORE SMOKE AND NOISE.

IT CAN ALSO LEAD TO GENERATOR SET DAMAGE OR FAILURE!

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IN THE PAST, OUR ADVICE WAS TO CHECK THE MOUNTING HARDWARE OFTEN AND TIGHTEN AS NECESSARY.

OUR ADVICE DID NOT SOLVE THE PROBLEM.

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SO, WE HAVE NEW ADVICE, USE STRONGER MUFFLER-MOUNTING HARDWARE!

Replace the current muffler bracket mounting cap screw--M6, 8.8--with cap screws--M6, 10.9--NSN 5305-01-303-5631.

Replace this black screw ...

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...with this yellow screw

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Don't reuse the lock washers. Get new ones with NSN 5310-01-476-9079.

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Add two new flat washers, NSN 5310-01-566-5242, to each cap screw. These washers are black and thicker than the old yellow washers

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It could be that this job has already been done on your generator. Check the top of the cap screws. If the top has a raised W.T 10.9 and is yellow, you're good. If it has a raised FS 8.8 and is black, you're bad. Replace the hardware!

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Copyright 2009 Gale, Cengage Learning. All rights reserved.

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Title Annotation:3-kW TQG ...
Publication:PS, the Preventive Maintenance Monthly
Article Type:Cartoon
Date:Mar 1, 2009
Words:223
Previous Article:Don't be a dummy, get a dummy!
Next Article:Just say no to high pressure hoses!
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