the alcohol in most of today’s gasoline had damaged the Walbro carburetor’s diaphragm, so the carburetor needed to be rebuilt. I ordered the rebuild kit from them, along with the new propeller that was required to replace the one that broke as the airplane laid over on its back. One thing about ordering anything from DA is that you don’t wait for long to get it. I swear they
STEP
must have had my parts packed and waiting for shipment before I called. As a result, the parts arrived the Wednesday following my Monday morning call. How good is that in terms service and attention details? As modelers we often don’t have much time to wait, so getting it shipped immediately is excellent.
Inside the Rebuild
A
s you can well imagine, I was forced to rebuild the carburetor. I started the rebuilding process by first removing the fuel tank from the airplane—I’ll show the new tank install in another article and talk about setting up the tank correctly. Then the carburetor rebuild began.
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First I removed the cowl, disconnected the throttle linkage and fuel feed tubing. Then the carburetor was removed from the engine's intake by removing two Allen-head bolts. The reed valve assembly came off with it.
My DA-120 was having carburetor problems, so.… The carburetor is shown to the right of the engine’s reed valve assembly.
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