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Old 04-25-2017, 07:37 AM   #1
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Spark arrestor Cummins Onan RV QG 4000

The user manual for my Cummins Onan RV QG 4000 genset says to clean the spark arrestor after every 50 hours of use. Unfortunately, I have no idea where the spark arrestor is or how to clean it.

Anyone out there have the same genset and could provide some help on how to perform this task?

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Old 04-25-2017, 07:40 AM   #2
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Not sure about your exact model but generally the spark arrestor is in the muffler. To clean it out there is a plug on bottom of muffler you remove and run unit at a high load it blow out any debris.

'02 Tiffin Phaeton 330 CAT
'02 Chevrolet Tracker Toad
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Old 04-27-2017, 08:43 AM   #3
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Thanks for the input. I will take a look at the muffler and see what I can find.
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