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Unread 09-10-2007, 03:14 PM
Hank Hank is offline
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Join Date: Sep 2007
Posts: 1
Default Oil hose termination at cooler

The piper oil hose AD specifies max. 6" radius bends in the oil hoses to the cooler. What is the best routing and/or fitting scenario to connect the hoses to the cooler? Does anyone have pre-fabricated hoses available for this purpose?
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Unread 09-10-2007, 04:04 PM
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tstrohmayer tstrohmayer is offline
Join Date: Aug 2007
Location: Daytona Beach, FL
Posts: 37
Lightbulb Oil Hose Routing

We use two different routings, depending on the current hose configuration (length, routing, fittings, etc).

Configuration 1: Route the outboard hose along the side of the engine and clamp to one of the rocker covers. Route the inboard hose inside of the intake tubes, as near the sump as possible. (See the attached picture)

Configuration 2: Route both hoses beneath the exhaust and clamp them to the collector assembly (replace one of the sheetmetal screws and tinnerman clips with a small bolt or machine screw and nut).

We have not seen any installations that require custom hoses, however different fittings may be required (90 deg, 45 deg, straight, etc). Every aircraft is different and no two seem to have their oil hoses configured exactly the same way. Hopefully one of these routings will work for your installation.

Feel free to call us with any questions.
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Tom Strohmayer
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