Install The Ignition Unit - GREAT PLANES Waco YMF-5 Instruction Manual

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6. Fit fuel lines to the tank and route the lines through the
hole in the firewall as you fit the tank. Be careful to make
sure that the vent line is pointed toward the top of the model.
Make a hook out of a piece of scrap pushrod to pull the
rubber band under the fuel tank.
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7. Slide the tank all the way forward and pull the rubber
band around the back side of the tank to hold it in place.
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8. Connect the fuel line to the engine. Connect the
aluminum fuel line plug to the fill/drain line. Trim off any
excess line for the carburetor, but leave a little extra length in
the fill/drain line and the vent line.

Install the Ignition Unit

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1. Build the ignition unit and battery tray using a small
builder's square or triangle to set the upright pieces 90° to
the base. Use 5-minute epoxy to assemble the tray. Fuelproof
the tray with a mixture of epoxy and denatured alcohol.
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2. Wrap the ignition unit and the battery in 1/4" [6.4mm]
latex foam rubber. Place the battery directly behind the
ignition unit. Secure both of these to the tray using two large
8" [203mm] tie wraps.
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3. Knock out the wood from the two vertical slots a the top
of the firewall. Sand the firewall on the outboard side of each
slot. This is where you will glue the triangle stock for the tray.
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