Alfa Romeo 33 owners manual page 72

text version of content this owner's manual page from owners manual to the vehicle Alfa Romeo 33, year of production 1983 - 1995:

FUEL SYSTEM 1 Carburetor cover including: 35 Safety washer 72 Bush for sealed idling cap 2 -Stud 36 Spring for loosen lever 73 Adjustment screw cap 3 Starting throttle37 Secondaryshaft securing nut 74 Idling mixture adjustment screw 4 Starting securing screw38 Spring washer 75 Sealed idling cap 5 Starting shaft 39 Shim adjustment washer76 Pump cover 77 Pump cover securing screw 6 Lever for starting shaft 40 Secondary throttle control lever 7 Corrugated washer41 Sheath securing screw 78 Pump diaphragm 42 Cap forsecondar/ idling hole 79 Primary shaft return spring 8 Starting shaft lever securing nut 80 Pump filling spring 43 Throttle control lever 9 Starting control tie rod 10 Tie rod split pin 44 Shim 81 Throttles securing screw 11 Tie rod washer 45 Loosen lever 82 Primary main shaft 12 Dust cover cap 46 Bush for loosen lever 82 Oversize primary main shaft 83 * Idling cut-off together with: 13 Dust cover plate 47 Secondary throttle adjustment screw 84 - Gasket 48 Stop lever together with: 14 Carburetor cover gasket 85 Conic seal needle 49 - Bush for sealed idling cap 15 Primary auxiliary Venturi 50 - Spring 86 Bush 15 Secondary auxiliary Venturi 87 - Primary idling jet 16 Pump delivery valve 51 Adjustment screw 88 Secondary main shaft 17 Pump jet 52 Sealed cap for lever adjustment screw 88 Oversize secondary main shaft 18 Pump jet gasket 53 Primary shaft return spring 54 Shim adjustment washer 89 Throttle valve 19 Primary corrector jet 90 Secondary shaft return spring 55 Spring for adjustment screw of corrector idling 19 Secondary corrector jet 91 Closing screw for pump discharge space 56 Adjustment screw for idling mixture corrector 20 Primary emulsioning tube 20 Secondary emulsioning tube57 Gasket for de-flood device 92 Primary main jet 21 Carburetor body 58 Securing screw for de-flood device 92 Secondary main jet 22 Secondary idling jet 59 Economiser body including: 93 Float 23 Secondary idling jet carrier60 Cap for adjustment screw 94 Float fulcrum pin 24 Shim adjustment washer 61 Spring washer 95 Needle valve 25 Lever return spring 96 Needle valve gasket 62 - Diaphragm adjustment screw 26 Fast idling regulation levertogether.with: 63 - Device box 97 Filter inspection cap 27 - Nut 64 r Spring for diaphragm 98 Filter 28 - Adjustment screw 65 - Diaphragm 99 Tie rod spring 29 Bush for fast idling regulation lever 66 - Device cover 100 *Cut-offcbmp 30 Lever securing screw 67 - Cover securing screw 101 Economiser body control tie rod 31 Starting control lever together with: 102 Eonomiser control lever 68 Retaining ring 32 Cable securing screw69 Retaining ring 103 Washer for cover securing screw 33 Bush for starting control lever70 Washer for economiser body control lever 104 Carburetor cover securing screw 34 Shaft securing nut 71 Economiser control lever * Only for 32 DIR 8 1 A/250 and 32 Dl R 7 I A/250 CHECKS AND INSPECTIONS 2. Needle valve tightness distance from float chamber cover- Before removingcarburetor from with gasket@ firmly in qlace - is Needle valve tightness is checked by engine, perform following checking within specified“Qw” value. means of a vacuum gauge. Keep float and adjusting operations: -- chamber cover turned over and in 1. Float leveling “QW” Dimension horizontal position and then proceed 6.75 + 7.25 mm (0.266+ 0.285 in) Check float position as followsas follows: : (I) Remove the whole air filter (see (1) Connect gauge’s plastic hose@ (6) To correct “QW” dimension, Air Cleaner) anddisconnet the to petrol delivery pipe0 on float suitably bend float stopper0. chamber cover. gasoline feeding hose from float chamber cover. (2) Load vacuum gauge air pump by acting on cam @ ; as a consequence, (2) Remove float chamber cov- er 4 mercury will go up the graduated 0, (3) Make sure float@ is of the scale. (3) Wait for about then. seconds, weight prescribed in the technical during which mercury will have to data, that no deformation is present remain steady, contraywise, replace and that it freely rotates on its pin. needle valve. (4) If checked parts are defective, replace them. (5) Keep float chamber cover@ in vertical position so as that float is sli&tly in touch on needle valve, 4 Float chamber 1 Float stopper which is ofthe spring-body type . 2 Float cuver Using a gauge pin, check if float 3 Gasket 04-5 May 7983

owners manual Alfa Romeo 33

owners manual Alfa Romeo 33 - year of production: 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995 - Alfa Romeo 33 owners manual EN