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Bill & Brendas RV-8 QB
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Date:  4-1-2015
Number of Hours:  2.00
Manual Reference:  
Brief Description:  Hose added to gascolator drain

Added a length of 9/16 ID rubber hose to gascolator drain cock and secured with hose clamp.
Cut hose to just touch bottom of cowl and let hang naturally. The hose is thick enough that it will stay in position good enough.

Cut a piece of 3/8" aluminum fuell line so that it was about 5 inches longer than hose and then deburred the ends. I tested the drain operation by inserting the tube inside the rubber hose and push up to activate the push release drain. It works fine. Made sure that the drain lever springs close after realeasing presure. I then turned on the fuel pump and tested for real and fuel comes out the tube as planned.

After the bottom cowl was installed, I drilled a 7/16" hole in bottom cowl where I meaured the rubber hose comes to inside cowl. Perfect! The hose can move some without being dificult to pull into position with the push tube I made. If it moves too far, I can reach up from where the bottom pins to =cowl are and move the hose fairly easy. I also found a plastic plug that fits the drilled hole.

I added 3/32 ID vinyl tube to the handle ends of the two top cowl hinge pins for protection

I pulled more slack to a couple of ignition leads that were sorta close to a sharp edge and then wrapped with spiral wrap for extra protection.

The bottom cowl was hard to remove last time due to the air intake ruber seal from FAB not clearing the intake mouth very easily. I cut some from the bottom and put a couple of slits to relieve soe pressure. I wont know if it helped any until next removal. If its still hard, I can remove some additional material.

I noticed a slick area under the manifold on firewall where the fuel pressure line connects. It had leaked on the first engine start and I fixed. Dont know if that slick oil residue was from then or new from the last flight. I wrenched it tighter but it didnt turn much at all so I wrapped a piece of paper shop towel to the connection point and secured with safety wire. I will check if it gets wet after the next flight.

Had brenda type up a
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hose clamped on to gascolator drain cock but plunger is smaller diameter and will plunge and release w

hose clamped on to gascolator drain cock but plunger is smaller diameter and will plunge and release w

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3/8 fuel line made and long enough to push up thru hose and depress the drain valve

3/8 fuel line made and long enough to push up thru hose and depress the drain valve

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Stow the drain rod and plug the hole

Stow the drain rod and plug the hole

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