The air filter assembly consists of the air filter base (with choke), the air filter and the air filter cover. The kit is often used to service tools with a broken choke, broken base, or a missing or damaged cover. Most problems with the air filter assembly are the result of accidental damage, such as dropping the tool, or damage caused by something falling on it.
Let's get started.
REMOVING THE AIR FILTER ASSEMBLY 1. Remove the air filter assembly.
a. Loosen the thumbscrew and remove the air filter cover.
b. Remove the air filter.
c. Loosen the two bolts securing the air cleaner base (and the carburetor) to the engine.
d. Pull the air cleaner base (and carburetor) away from the engine slightly and remove the two bolts (along with the metal bracket) from the air cleaner base.
e. Remove the thumbscrew from the air filter cover.
INSTALLING THE NEW AIR FILTER ASSEMBLY
2. Install the air filter assembly.
a. Install the thumbscrew into the new air filter cover.
b. Thread the two mounting screws through the metal air filter bracket.
c. Install the mounting screws (along with the metal bracket) onto the new air cleaner base.
d. Install the air filter base (using the exposed mounting screws) onto the carburetor assembly.
e. Install the carburetor gasket onto the carburetor (using the screws to hold the gasket in place).
f. Install the entire assembly (air cleaner bracket, air cleaner base, carburetor, and gasket) onto the engine (using the mounting screws to keep everything aligned).
g. Use a hex wrench to tighten the mounting screws and secure the new air filter assembly (and carburetor) to the engine.
REASSEMBLING THE UNIT
3. Reinstall the air filter cover.
a. Install the air filter.
b. Install the air filter cover.
c. Tighten the thumbscrew to secure the air filter cover.