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| Have a 1.5 y/o Lawnboy with a 675 series Briggs & Stratton ready start engine.
When shopping for a replacement air filter (part# 491588 or 491588S - not sure what the 'S' is for), I noticed a pre-cleaner for the air filter, which is essentially an oil soaked foam square. My lawn mower did not originally come with a pre-cleaner filter, so I'm assuming it's not necessary, however I'm interested to know what the benefits are and is it worth the extra 5-6 bucks. P.S. - also noticed that "DO NOT OIL" is written on the foam pre-cleaner. I'm guessing this is not a reusable item where it can be washed and re-oiled... Links - Filter:
Pre-cleaner:
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Follow-Up Postings:
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- Posted by rosemallow z7 Md (My Page) on Mon, Jul 19, 10 at 9:15
| I use the pre-cleaner on all my Briggs and Honda Equipment. Dusty conditions can dirty a new cleaner quick. My answer is YES! |
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| Traditionally the precleaner is used in real dusty environments- such as tillers, certain rear baggers etc. but is OK to use anyways. You can wash the and re-use the foam PF btw. In addition, only the horizontal shaft engines would you re-oil the PF. |
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| Great. I think I'll go out and purchase one! Especially since it seems that every time I pull out the paper filter after mulch mowing, a good bit of dust comes out after tapping it. Couldn't find any info from Briggs on washing the pre-cleaner...just regular soap and water, just water or something else to clean it? And I guess no oil (not sure if a 675 series is horizontal or not)...just let it dry and put back in? Thanks |
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| Push mowers have vertical-shaft engines. The term is confusing when the word 'shaft' is omitted because most consider a mower engine 'horizontal' because the cylinder is, but the term applies only to the crankshaft orientation. So, a tiller, for example, would have a horizontal shaft and a vertical cylinder (in most cases). |
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