Assemble Carburetor; Install Throttle Shaft; Install Choke Valve - Briggs & Stratton Vanguard 430000 User Manual

Figure 13
2. Inspect throttle shaft and choke shaft for wear
(Figure 14).
Figure 14
• Replace if worn.
• If carburetor body is worn, replace
carburetor.

Assemble Carburetor

NOTE: When assembling carburetor, use new
seals and gaskets.

Install Throttle Shaft

1. Install seal (A, Figure 15) with grooved side
out.
2. Assemble collar (B) to throttle shaft and insert
in body.
3. Install throttle plate and screws (C).
Figure 15

Install Choke Valve

1. Assemble spring (A, Figure 16) to choke
shaft (B) and insert in body.
2. Rotate shaft clockwise to pre-load spring.
3. Install choke plate with hole facing fuel inlet
side of body (C).
Figure 16
4. Assemble the emulsion tube (A, Figure 17),
the fixed high speed jet (B), and the idle jet
(C).
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