Disassemble Carburetor; Carburetor Cleaning - Briggs & Stratton 5 HP Troubleshooting & Repair Manual

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5 HP Outboard • Troubleshooting & Repair Manual
Section 3 • Disassembly

Disassemble Carburetor

1. Remove bowl screw/fixed main jet
with fiber washer
2
.
Figure 39 — Carburetor Float Components
2. Remove float bowl and bowl gasket from carburetor.
3. Remove float hinge pin
.
5
NOTE:
Inlet seat is not replaceable.
4. Remove idle speed screw with spring
when used.
5. Remove the limiter cap from the mixture screw.
Remove mixture screw and spring
6. Rotate throttle shaft to closed position. Remove
throttle plate screw
9
7. Remove throttle plate and throttle shaft with foam
seal.
8. Grasp choke plate
6
.
7
9. Remove choke shaft and foam washer.
10. With a modified 5/32" pin punch
plug
from carburetor body.
10
(Figure 39)
1
1
2
3
4
5
, float
and inlet needle
3
4
(Figure 40)
.
12
.
and remove from choke shaft
, remove welch
11
Figure 40 — Remove Welch Plug
6
7
8

Carburetor Cleaning

1. Disassemble carburetor.
2. Remove all old gaskets, seals and sealing material.
3. Use commercial carburetor cleaning solvents such as
Briggs & Stratton Spray Cleaner (#100041 or
#100042), to clean carburetor parts and body.
4. Do not leave non-metallic parts (plastic, nylon, minlon,
etc.) in commercial carburetor cleaner bath more than
15 minutes.
,
8
NOTE:
Parts containing rubber, such as seals,
o-rings or pump diaphragms should never be placed
in commercial carburetor cleaner bath.
5. Use only compressed air (blowing in both directions)
to clean out all openings and passages.
6.
Do not use wires, drills or any other devices to clean
out metering holes or passages.
27
8
10
11
12
9
3

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