Alfa Romeo 33 owners manual page 101

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 3. Eye check the pinion teeth. 2. Put one prod on the brush 3. The tester should give no sign of current flow. holder plate and the other prod on a positive brush holder. 3. The tester should give no sign of current flow. on the other 4. Repeat the test positive brush holder. 4. If the pinion does not work properly or the teeth show excessive replace the starter signs of wear clutch. Brush spring check 1. Check that the brush springs have not lost their elasticity and still 4. If insulation is broken, removensure good brush contact on thee the excitation winding from the yokecommutator. 2. If necessary, put in new springs. and put another winding in its place 5. If insulation is broken, put in (see: Bosch Starter Motor, step 15). another brush holder plate. Brush wear inspection Excitation winding continuity Check that thestator and roto r test Electromagnetic efficiency check brushes are not chipped or dirty with ‘I. Set the tester to thefi x 100 carbon deposits and check that their 1. Shortcircuit the electromagnet scale. lengths are within the prescribed with the starter pin@ and connect 2. Put one prod on the induction limits. its positive pole@ to the positive winding cable and the other prod on terminal of a battery. Brush lengths (mid the positive brush. (Repeat with the 2. Connect the battery’s negative other brush). Bosch 11 mm (0.433 in) terminal to Ducellier 9 mm (0.354in) the electromagnet’s 3. The tester should show current flow. yoke 0. Marelli -mm(- in ) Bush wear inspection 1 Yoke 3 Electromagnet 2 Pin positive pole 1. Check that the two bushes on the front and rear rotor shaft bear- 3. The starter drive fork actuator ings are not excessively or unevenly should trip. If it does not, put in worn. Side play between shaft and another electromagnet. bush should lie within the limits. 4. If continuity is broken in the windings, remove the windings from Pinion efficiency check Shaft-bush clearance the yoke and put in others in their (0 bush 0 shaft) = 1. Rotate the pinion clockwise as place (see: DisassemblBosch y 0.02+ 0.05 mm shown in the figure. It should rotate Starter Motor, step 15). (0.00079 + 0.00197 in) freely. Positive brush holder insulation 2. Rotate the pinion counter- test 2. If wear is excessive, put in new clockwise, i.e. in the direction of bushes (see: Disassembly Bosch meshing. It should lock. 1. Set the tester to theax 1 scale. 05-I 1 May 1983

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