horn to bowl
screws. Tighten screws evenly and securely.
Install filter screen, strainer nut and gasket
assembly in air horn.
Place new gasket into position and attach choke
housing to air horn. Tighten
Place new hex fitting packing on choke suction
tube and tighten fitting on choke housing. Fitting must be tight
to prevent loss of vacuum.
Assemble choke piston to shaft with pin and
place into choke housing bore as shown in Figure 10. Rotate choke
shaft counter-clockwise so that
piston rides in housing
Install choke valve on choke shaft with letters
"RP" facing upward. Center
choke valve before tightening
screws. Place baffle
plate and choke cover gasket into
position as shown in Figure 11, and install
choke coil and cover. Rotate cover clockwise until index marks on cover
and housing are aligned.
Attach three retainers and screws to
choke housing and tighten securely.
valve should be lightly closed
at room temperature (75°F) when index
mark on cover and housing are aligned.
Place choke counterweight on end of choke
shaft with tang facing choke housing.
Install spacing washer
and trip lever so that
tang of trip lever is atop counterweight
tang, when choke valve is full
open as shown in Figure 12.