Alfa Romeo 33 owners manual page 115

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

IGNITION, STARTING, CHARGING SYSTEM CHECKS AND WARNING: ADJUSTMENTS Stroboscopic gun must always be ON CARS directly connected with battery terminals. 1. Check general rules 2. System functioning verification (I) With ignition key inserted (igni- CAUTION: (4) Verify that resistance internal to tion switch closed) and engine still, Each check for presence of voltage or rotor arm of ignition distributor check, by means of voltmeter, that corresponds to the prescribed value. current in electric connections, via the voltage on terminal 15 of coil sparking, that is, ground discharging is equal to the battery voltage(12V). the high-and low voltage points, must Distributor Marelli Bosch (2) After carrying out the ignition be avoided unless they are required I I timing operation (for timing see: special verifications expressely listed Rotor arm Group 00 Ignition System and with application of special devices. resistance i.2 5,0001,000 Supply) check possible interruptions Besides, the following operations I I must be avoided: in the coil windings. To this purpose, . Connection interruption be- disconnect the tachometer cable and, (5) Proceed as follows for system with non-inserted ignition key, check tween tap of coil high voltage general verification with ignition key via ohmmeter, that resistance values and distributor, by discon- not inserted, disconnect from a spark of both primary and secondary necting the relevant cable (coilplug the connection high voltage windings are the prescribed ones. side) when motor is running or cable to distributor by setting the during starting phase. free end at 5 mm (0.2 in) from . Ground connection of coil low engine body. Coil Mardi Bosch voltage terminal connected with tachometer. Primary l winding !a 0.72k.i 0% 0.7 - 1 Use of trouble diagnosis equip- resistance Put on insulation gloves and start the ments which allow theshort- engine verifying that spark occur Secondary circuit the low voltage signal, winding 5-2 regularly between cable and ground. between coil primary winding resistance and tachometer or not allowed. (3) With ignition key not inserted WARNING: (ignition switch open) verify func- Before powering the unit, make sure tioning of ignition distributor by that connectors of the electric disconnecting the connector between system are properly inserted and that module coil unit and distributor the module coil units is secured and checking via ohmmeter, that to ground so as to ensure an effective resistance of pulse generator coil connection. corresponds to the prescribed value. May 7983 OS-28

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