Service Briggs & Stratton/ 9 H.p. Carburetor - (Mikuni Carburetor); Removing Fuel Hose And Clamp; Removing Bowl; Removing Bowl Gasket - Columbia ParCar P4G Service Manual

SERVICE BRIGGS & STRATTON/ 9 H.P.
CARBURETOR - (MIKUNI CARBURETOR)
Removal
Warning: Use care when working with fuel
system. Clean up any spilled fuel immediately
before continuing. Never service or repair fuel
system near open spark or flame.
1. Loosen worm screw clamp, and remove air cleaner
hose from air intake elbow.
2. Move hose clamp down, and remove fuel hose from
carburetor inlet. See Figure 11.
Clamp
Figure 11 - Removing Fuel Hose and Clamp
3. Open float bowl drain screw, and drain gasoline into
an approved container to drain carburetor, Figure 11.
4. Remove two nuts securing air intake elbow to carbu-
retor. Remove, also, throttle cable bracket.
5. Using a screw driver, pry throttle cable from throttle
lever swivel.
6. Remove air intake elbow and gasket.
7. Loosen lock screw in choke cable swivel. Remove
choke cable.
8. Slide carburetor off from mounting studs.
Disassembly
Remove bowl mounting screw, washer, and bowl, Figure
12. Remove float bowl gasket, Figures 12 and 13.
Bowl
Drain
Screw
7-13
Figure 12 Removing Bowl
Figure 13 - Removing Bowl Gasket
Remove Float Assembly
Float hinge pin is a press fit. One end of float hinge pin
has two (2) flats. Tap opposite end of pin until pin is
loose and then remove pin, float and inlet needle assem-
bly. See Figure 14.
Figure 14- Removing Float Pin
Remove Main Jet and Nozzle - 9 H.P. Mikun
Remove main jet and then using Tool #19061,
Screwdriver, remove carburetor nozzle. See Figures 15
and 16.
Bowl
Washer
Screw
Bowl
Gasket
Float
Hinge
Pin
i