Carburetor Cleaning Recommendations - Briggs & Stratton 405777 Series Manual

5. Remove screws and choke plate.
a. Remove choke shaft. Discard seal.
6. Remove nozzle body. Discard gasket.
7. Mark throttle plates before removing so that they may be
re-installed in the same position. Sides of throttle plate are
beveled.
8. Remove screws, throttle plates and throttle shaft with
seal.
a. Discard seal.
This completes the carburetor disassembly procedure.
WEAR suitable skin protection when using clean-
ers. FOLLOW instructions on container.
1. Disassemble carburetor.
2. Remove and discard all old gaskets, seals and sealing
material.
3. Use commercial carburetor cleaning solvents (such as
Briggs & Stratton Spray Cleaner, Part #100041 or
100042) to clean carburetor parts and body.
4. When cleaning non-metallic parts (plastic, nylon, Min-
lon™, etc.), do not leave in commercial carburetor cleaner
4
TSM

CARBURETOR CLEANING RECOMMENDATIONS

SEAL
Fig. 8 − Remove Choke Shaft
Fig. 9 − Remove Nozzle Body
THROTTLE
PLATES
Fig. 10 − Remove Throttle Shaft
more than 15 minutes.
Note: Parts containing rubber, such as seals, "O" rings,
inlet needles, seats or pump diaphragms should
never be placed in commercial carburetor cleaner.
To prevent eye injury, always wear eye protection
when using compressed air.
5. Use only compressed air (blowing in both directions) to
clean out all openings and passages.
Note: Do not use wires, drills or any other devices to
clean out metering holes or passages.
CHOKE
PLATE
NOZZLE
BODY
GASKET
SEAL