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open position, then pull choke valve out of choke shaft. Remove choke shaft, return spring (when used), and foam seal. Discard seal.

- OR -

If carburetor is equipped with a metal choke shaft, rotate choke shaft to closed position. Remove two choke valve screws and choke valve. Remove choke shaft, return spring and foam seal. Discard seal.

11.With a modified pin punch (A, Figure 46) remove welch plug (B) from carburetor body.

Figure 46

NOTE: Do not attempt to remove the pilot jets, which are pressed in and not serviceable.

Inspect and Clean Carburetor

1.Inspect openings in the carburetor body for evidence of wear or damage. If found, replace the entire carburetor assembly.

2.Inspect the choke shaft, choke valve, throttle shaft, and throttle valve for evidence of wear or damage. Replace parts as necessary.

3.Using Carb/Choke Cleaner #100041 or #100042, thoroughly clean the following components, then follow with compressed air to dry:

Passages in the fixed main jet (bowl nut) or emulsion tube

Inside and outside of the fuel bowl

Float

Choke shaft and choke valve

Throttle shaft and throttle valve

All passages, openings, and the inside and outside of the carburetor body

NOTE: Do not soak non-metallic components, such as floats, o-rings, seals, or diaphragms, in carb/choke cleaner or they will be damaged.

4.If any passages remain plugged after cleaning, replace the component or the entire carburetor assembly.

Assemble Carburetor

Consult the Illustrated Parts List to obtain the appropriate carburetor overhaul kit before reassembling the carburetor.

1. Install new welch plug (A, Figure 47) with pin punch (B) of slightly smaller diameter than the plug. Press against the plug until it is flat in the carburetor opening. Do not

cave in plug. Seal the edge of the plug 4 with non-hardening sealant.

Figure 47

2.If carburetor is equipped with a metal choke shaft,

Install new foam seal and return spring (C, Figure 48) on choke shaft, hooking small hook (A) in notch on choke lever (D).

Insert choke shaft assembly into carburetor body and engage large end of return spring (E) on boss. If carburetor has detent spring, guide spring into slot in choke shaft lever (B).

Place choke valve (F) on shaft and install screws, then actuate the choke shaft to check for proper movement.

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Briggs & Stratton CE8069, 271172, 270962, 276535, 273521 manual Inspect and Clean Carburetor, Assemble Carburetor