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Despiece Weber 32 ICEV
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Manual carburador Weber 32 ICEV 51/250
1 Overhaul of the alternator should be limited to renewal of the brushes. If the unit has covered a high mileage, it will be found more economical to exchange it for a new or factory-reconditioned one, rather than renew worn components on the original unit.
2 Unscrew the nuts and take off the rear cover.
3 Unscrew the two small bolts and withdraw the brush holder (photos).
5.3A Alternator brush holder bolt
5.3B Removing alternator brush holder
4 Fit the new brush holder which is supplied complete with brushes, by reversing the removal operations.
5 Where applicable, remove the radio suppression condenser (capacitor) from the rear end frame (one screw and washer, and a plug-in connection).
6 Undo the two screws which retain the brush holder to the rear frame of the alternator, then ease the holder out of the alternator. Inspect the brushes and if worn below the specified minimum length, they must be renewed.
7 Disconnect the brush leads by unsoldering or carefully cutting them.
8 When soldering the new brush leads, do not allow solder to run down them or their flexibility will be ruined.
9 When inspecting or renewing brushes, check the surface of the slip rings. Clean them with solvent or if they are very discoloured, use very fine glasspaper.
Fig. 9.1 Exploded view of typical alternator (Sec 5)
5 Drive-end bracket
6 Stator windings
7 Plate screw
8 Diode plate (rectifier pack) 9 Body
12 Brush holder
14 Screws and washers
15 Screws and washers
16 Screws and washers
17 Plug socket
19 Shaft nut
20 Spring washer
21 Thrust ring
23 Retainer plate
24 Thrust ring
25 Spring washer
26 Screw and washer
30 Backing washer
31 Shield (where applicable)
Since its introduction in 1983, the FIAT Uno has had a number of modifications and improvements including the fitting of a twin choke carburettor, low profile tyres, tinted windows and remotely-controlled central door locking.
The major mechanical change was the introduction of the FIRE (Fully Integrated Robotised Engine) on 45 and 45S models to be followed by a new 1108 cc “FIRE” engine on the 60S model from 1989 on.
A 1301 cc Turbo ie engine model was available for a short period. This model had a Bosch LE2 Jetronic electronic fuel injection (ie) and a turbocharger to give added performance. To uprate the braking to suit, disc brakes were fitted to the rear in place of the original drum type brakes.
A 1372 cc engine model was introduced in 1989. Two versions were initially available. A Bosch Mono-Jetronic single-point fuel injection (SPi) system, as found on the 70 SX model and Bosch L3.1 or L3.2 Jetronic multi-point fuel injection (MPi) systems were fitted to Turbo models. L3.2 MPi system models were equipped with catalytic converters, to improve exhaust emission. All fuel injection engines are fitted with electronically controlled engine management systems.
A new style instrument panel, switchgear and a revised facia layout was introduced in 1989.
During 1992, SPi fuel systems were fitted to the 999 cc and 1108 cc engines, along with catalytic converters for improved exhaust emissions.
Five speed transmissions were introduced to 999 cc models in 1993.
It is recommended that this Supplement is always referred to before the main Chapters of the Manual.
The vehicles used in the preparation of this supplement, and appearing in many of the photographic sequences were a 1986 Uno 45S FIRE, a 1988 1301 cc Uno Turbo ie and a 1991 1372 cc Uno SXie.
1 The need to completely overhaul a carburettor is rare. A carburettor can normally be kept in good working order if the top cover is removed and the fuel mopped out of the fuel bowl. Individual jets can be removed and blown through. Never probe them with wire or their calibration will be ruined.
2 Take the opportunity to check the jet sizes and other components against those listed in the Specifications in case a previous owner has substituted some of incorrect calibration.
3 When the stage is reached where the valve plate spindle bushes have worn, then the carburettor should be renewed complete.
4 When reassembling the carburettor, use new gaskets which can be obtained in a repair pack.
Fig. 3.1 Weber 32 ICEV 50/250 (Sec 6)
Fig. 3.2 Solex C32 DISA 11 (Sec 6)
Fig. 3.3 Weber 32 ICEV 51/250 (Sec 6)
Fig. 3.4 Solex C32 DISA 12 (Sec 6)
Fig. 3.5 Weber 30/32 DMTR 90/250 (Sec 6)
Fig. 3.6 Weber 32 ICEE/250 (Sec 6)
Fig. 3.7 Solex C30/32 CIC/1 (Sec 6)
Fig. 3.8 C32 DISA 14 (Sec 6)
Key to carburettor illustrations
1 Idle speed screw
2 Anti-tamper plug an idle mixture adustment screw A Throttle valve plate
B Idle cut out device
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