272144 Vanguard Twin Cylinder OHV BRIGGS & STRATTON.pdf
272144 Vanguard Twin Cylinder OHV BRIGGS & STRATTON.pdf
272144 Vanguard Twin Cylinder OHV BRIGGS & STRATTON.pdf
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8. Remove the idle mixture screw (12).<br />
<br />
<br />
Fig. 24<br />
4. Remove fixed main jet (7) using Screwdriver<br />
#19062, Fig. 25.<br />
5. Reach into carburetor throat with flat blade<br />
screwdriver and push down on end of emulsion<br />
tube (8).<br />
Fig. 27<br />
9. The top and bottom edges of the throttle plate<br />
are beveled. Mark throttle plate (13) before<br />
removing to ensure reinstallation in the original<br />
position, Fig. 28.<br />
<br />
<br />
<br />
X<br />
Fig. 25<br />
NOTE: Consult the IPL to get the high altitude jet<br />
part number if required.<br />
6. Remove idle jet plug (10) and idle jet (9), Fig. 26.<br />
Fig. 28<br />
10. Use a punch as shown and remove throttle shaft<br />
welch plug (14), Fig. 29.<br />
<br />
<br />
<br />
<br />
ÔÔÔ<br />
ÔÔÔ ÎÎ<br />
ÎÎ ÔÔÔ<br />
ÔÔÔ ÎÎ<br />
ÔÔÔ ÎÎ<br />
ÔÔÔ<br />
Fig. 26<br />
7. Use a pliers to remove the idle mixture screw<br />
adjustment limiter cap (11) if equipped, Fig. 27.<br />
Fig. 29<br />
11. Remove snap ring (16) and washer (15), Fig. 30.<br />
12. Remove throttle shaft, collar (17) and seal (18).<br />
82
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