Vaz -21213 Repair Manual page 52

Fig.2-88. Carburettor cover components:
1 - float spindle; 2 - needle valve; 3 - float; 4 - gasket; 5 - diaphragm and rod, choke pull down unit; 6 - spring; 7 - adjusting screw; 8 - cover, choke pull down unit;
9 - idling fuel jet; 10 - fuel cut-off solenoid; 11 - fuel supply pipe; 12 - carburettor cover; 13 - fuel filter; 14 - choke valve; 15 - cap; 16 - spindle, choke valve and lever;
17 - choke control lever securing ball; 18 - choke control lever; 19 - lever spindle; 20 - bush for securing choke cable
Undo shaft 19, extract ball 17 with the spring, remove choke
lever 18, detach the choke lever spring. When applicable, undo
choke retaining screws, withdraw plate 14 and spindle 16.
Dismantle the diaphragm-type choke control unit, having
removed cover 8 complete with adjusting screw 7. Lift out spring
6 and diaphragm 5 with the rod.
Dismantle the carburettor housing (Fig.2-89) as described
below.
Remove accelerator pump cover 3 Òomplete with lever 2 and
diaphragm 1.
Using a screwdriver, remove accelerator pump atomizer 10,
followed by atomizers 11 of the primary and secondary barrels.
Grip the housing when removing atomizer 10.
Undo the nut of the primary throttle spindle, remove cam plate 4
of the accelerator pump linkage, then the washer.
Undo the retaining screw, remove wire 30 from throttle stop
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screw (CO adjustment screw) 29 and when applicable remove
screw 29.
Remove plastic plug 25 and undo idle mixture adjusting
screw 27.
Lift out part throttle enrichment cover 5, diaphragm 6 and
spring.
Unscrew fuel jet 7 of the part throttle enrichment unit.
Undo main air jets 12 with the emulsion tubes and main fuel
jets 13.
Carburettor components -
cleaning and inspection
Fuel filter. Wash the filter and blow dry with compressed air.
Examine the filter. When the filter or the fuel supply manifold are
damaged, renew them.