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Engine basics => Engine set up tips => Topic started by: Tim Wescott on July 11, 2014, 11:58:10 AM

Title: Time for a new filter?
Post by: Tim Wescott on July 11, 2014, 11:58:10 AM
My engine run had been getting more and more troublesome of late.  So, after being reminded by my flying buddy I looked in the obvious spot.

This is after things have dried out -- there were some puffy white boogers in there.  I was kind of surprised that nothing was moving on its own.

Think it'll fly better with the new filter?
Title: Re: Time for a new filter?
Post by: Steve Fitton on July 11, 2014, 12:33:39 PM
Do you filter between your fuel can and the tank?
Title: Re: Time for a new filter?
Post by: Tim Wescott on July 11, 2014, 01:04:36 PM
Quote from: Steve Fitton on July 11, 2014, 12:33:39 PM
Do you filter between your fuel can and the tank?

Yes I do!  I use two filters in the fuel can.  I don't know if there's just a lot of fluff in the air right now, or what, but part of what got me looking at filters on airplanes was the fact that my lower fuel can filter was totally clogged.
Title: Re: Time for a new filter?
Post by: Bill Adair on July 11, 2014, 05:07:26 PM
Tim,

If you are using muffler pressure - a filter in the pressure line to the tank catches lots of crud. Amazing how much dust and dirt gets deposited in a muffler, and pushed through the pressure line into the tank!

Bill
Title: Re: Time for a new filter?
Post by: Steve Helmick on July 13, 2014, 06:34:36 PM
Tim, if you're using a syringe, as I suspect, you pull fuel into the syringe through an attached filter and then push it into the tank through the same filter? If you're doing that, you're "back-flushing" the filter contents right into the tank. How do you protect your fuel syringe between flights and flying sessions? There are many ways for a syringe to put corruption into your fuel tank, even if the syringe piston seal doesn't contribute to the problem.  n1 Steve
Title: Re: Time for a new filter?
Post by: Tim Wescott on July 13, 2014, 10:47:48 PM
No, I don't us a filter to carry crud from one place to another!  There are two filters that stay attached to the can.  I suck up fuel with the syringe, disconnect from the can, attach to the tank, and squirt it in.

I may be picking up stuff, but the filter shown is over a year old.
Title: Re: Time for a new filter?
Post by: John Leidle on July 14, 2014, 04:06:27 AM
 Tim, I use Hanger 9 filters. They come apart to clean  .  John
Title: Re: Time for a new filter?
Post by: frank mccune on July 15, 2014, 08:16:39 AM
    Hi:

     Try back flushing with a carb or brake cleaner.  Use the straw that comes with the cleaner and a pice of fuel line for a connector, CAUTION Wear eye protection whhdn doing this!

     The white "crumbs" may be from rancid castor oil.

                                                                                                                               Good luck,

                                                                                                                               Frank