Briggs & Stratton 276535, Repair Manual

Page: 24 / 38

2-Cycle Snow Engine
Section 4 - Engine Overhaul
Page 18
5. Apply one drop of
Loctite 242™
or equivalent to
the seat threads , and install a new brass inlet
seat (Figure 49). Torque to
25 lb-in
.
Fig. 49
6. Install a new clip and needle valve on the float.
7. Using a new float hinge pin, install the float
assembly. Ensure the hinge pin is positioned
properly to keep the float level. The float should
be free to move up and down easily in the
carburetor body.
8. Adjust float by bending the hinge so height is
1/2
in. (12.7mm)
from bowl flange (without gasket) to
top of float (Figure 50).
Fig. 50
9. Pressure check inlet needle and seat. Attach
pump
(#19493)
with pressure gauge to fuel inlet
fitting on carburetor (Figure 51). With carburetor
upside down, raise float and then lower to its
normal position. Apply pump pressure to
5 psi
(34.5kp).
Needle and seat should hold this
pressure for 10 to 15 seconds (Figure 51). If it
does not hold, wet the needle and seat with a
drop of mineral spirits and repeat the test. If it still
fails again, replace needle and seat.
Fig. 51
10. Install the fuel filter screen over the fuel nozzle
(Figure 52).
Fig. 52
11. Install a new fuel bowl gasket, the fuel bowl and
the four bowl retaining screws. Tighten the screws
evenly but do not strip the plastic.