How to Replace the Carburetor Adapter on a Poulan Chainsaw (Model P3314)

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The carburetor adapter kit connects the carburetor to the cylinder. It provides both vibration reduction (to the carburetor) and acts as a heat isolator (to keep the carburetor cool). There are gaskets on either side of the adapter that can fail. The adapter itself is made of plastic, and can crack. A crack in the isolator (or a bad gasket) will allow extra, unregulated air into the cylinder. This will cause the engine to run erratically, and the extra air will make the saw run lean, which can cause serious engine damage.

This article provides step-by-step instructions for removing and installing the carburetor adapter kit on a Poulan chainsaw.

Let's get started.   REMOVING THE CARBURETOR ADAPTER KIT [top] 1. Drain the fuel.

Drain any excess fuel from the tank.

  2. Remove the top cover.

Remove the (3) screws securing the top cover to the saw.

Lift the top cover away from the saw.

  3. Remove the air filter housing.

Remove the air filter cover.

Remove the air filter from the housing.

Remove the (1) screw securing the air filter housing to the engine.

Remove the (2) nuts securing the air filter housing to the engine.

Lift the air filter housing away from the carburetor assembly.

  4. Remove the carburetor.

Pull and hold the throttle trigger to expose the throttle linkage attachment point (on the trigger).

Disconnect the linkage from the throttle trigger.

Disconnect and remove the throttle linkage from the carburetor.

Disconnect and remove the choke lever from the carburetor.

Use long-nosed pliers to disconnect the fuel intake tube from the carburetor.

Use long-nosed pliers to disconnect the purge line from the carburetor.

Slide the carburetor assembly off the mounting bolts and away from the engine.

Remove the carburetor gasket from the carburetor adapter.

  5. Remove the carburetor adapter.

There are four screws securing the carburetor adapter to the engine. The top (2) screws are easily accessible (using a Torx driver). The lower (2) screws are a bit more difficult to access, and will require a small ratchet and (Torx) socket.

Remove the top (2) screws from the carburetor adapter.

Remove the lower (2) screws from the carburetor adapter.

Remove the carburetor adapter assembly from the engine.

  INSTALLING THE NEW CARBURETOR ADAPTER KIT [top] 6. Install the carburetor adapter.

Install the new cylinder gasket onto the new carburetor adapter.

Install the new carburetor adapter onto the engine, ensuring that the cylinder gasket aligns with the intake opening on the engine.

Secure the carburetor adapter to the engine with the (4) screws.

  7. Install the new intake tube.

Install the new intake tube onto the carburetor adapter.

  REASSEMBLING THE UNIT [top] 8. Reinstall the carburetor.

Install the new carburetor gasket onto the carburetor adapter.

Slide the carburetor onto the two mounting posts on the engine.

Connect the carburetor to the new intake tube and press the carburetor assembly toward the engine until the intake tube is fully seated against both components.

Reconnect the fuel purge tube to the top of the carburetor.

Reconnect the fuel intake tube to the bottom of the carburetor.

Install the choke lever to the carburetor.

Connect the throttle linkage to the carburetor linkage.

Pull and hold the throttle trigger to expose the attachment point for the trigger-portion of the throttle linkage.

Connect the throttle linkage to the throttle trigger.

  9. Reinstall the air filter housing.

Slide the air filter housing over the carburetor mounting posts.

Secure the air filter housing to the engine with the (2) nuts.

Secure the air filter housing to the carburetor with the (1) screw.

Install the air filter.

Install the air filter cover.

  10. Reinstall the top cover.

Install the top cover onto the saw.

Secure the top cover with the (3) screws.

Do-it-yourself repairs like these are easier than you might think: From lawn machines to cordless drills, kitchen mixers to outdoor grills. Our "how-to" articles walk you through each repair from start to finish.

So, doing-it-yourself means never having to do it alone.

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