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Buck's RV-8
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Date: 5-9-2009
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Number of Hours: 1.00
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Manual Reference:
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Brief Description: Firewall passthrough, firewall straightening
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Today I decided to install one of the flame-resistant firewall passthrough fixture kits I bought from Avery Tools last year at Oshkosh, This involved locating a good spot for it (in my case, below the battery mount, near the bottom of the electrical "hell-hole" under the forward baggage compartment), drilling a 1-1/8" hole with a unibit, and drilling the attach holes using the fixture as a drill guide. After a bit of deburing, and attaching the fixture with stainless hardware, I clamped the firesleeve on the completed fixture, and it's ready to go. The final steps, which will make it fully fireproof, will take place after the last wire is installed through it.
I also cut a 2x4 and clamped it to the bend in the firewall, in an effort to reduce its prebend to a bit closer to the 8 degrees of bend it should have. This will reduce the firewall's slight pull on the baggage door opening, which has very little structural support.
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Stainless firewall passthough installed.
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Firesleeve installed. We're ready for wires!
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Straightening the firewall bend a bit with a 2x4.
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