Daewoo Matiz (2003 year). Manual - part 18

1E – 24  ENGINE ELECTRICAL

D12E720A

9-12 N

S

m

4-6 N

S

m

Assembly Procedure

1. Install in the reverse order of removal.

2. Install the bolts / nuts.

Tighten

Tighten the starter motor terminal M nut to 9–12 N

S

m

(80–106 lb-in) (a).

Tighten the through-bolts to 4–6 N

S

m (35–53 lb-in)

(b).

D102E721

GENERATOR (A-TYPE : MANDO)

Disassembly Procedure

1. Remove the generator. Refer to “Generator” in this

section.

2. Remove the front bracket and rear bracket.

D

Remove the through-bolts (1).

D102E722

D

Pry front bracket downwards using a screwdriver
(2).

D

Separate the front bracket and rear bracket (3).

D102E723

3. Remove the pulley and rotor assembly from the front

bracket.

D

Cover the rotor with the cloth (1).

D

Place the pulley upwards and vice the rotor (2).

D

Remove the pulley nut (3).

D

Remove the pulley (4).

ENGINE ELECTRICAL  1E – 25

D102E724

4. Remove the front bracket, rotor and collar.

D

Remove the collar (large) (1).

D

Remove the rotor from the front bracket (2).

D

Remove the collar (small) from the rotor shaft (3).

D102E725

5. Remove the front bearing.

D

Remove the support plate screws (1).

D

Remove the plate (2).

D

Remove the front bearing using the press (3).

D102E726

6. Remove the battery positive terminal nut from the

rear bracket.

D

Remove the battery position terminal nut (1).

D

Remove the washer (2).

D102E727

7. Remove the stator assembly from the rear bracket.

D

Remove the rectifier screw (1).

D

Remove the brush holder and regulator assembly
screws (2).

D

Remove the stator assembly with the rectifier /
brush holder / regulator (3).

1E – 26  ENGINE ELECTRICAL

D102E728

8. Remove the rectifier / brush holder / regulator from

the stator.

D

Remove the rectifier / brush holder / regulator con-
nections (1).

D

Remove the stator and rectifier connections (2).

Notice: If the stator connections are welded, melt the
lead. Avoid overheating as it can damage the diodes.

D102E729

Inspection / Measurement

1. Inspect the rotor assembly.

D

Test the rotor for an open circuit by using the ohm-
meter (1). Replace the rotor if necessary.

D102E730

D

Test the rotor for open or short circuit (2).

Desciption

Limit

The measured
resistance

2.9

Ω

D

Replace the rotor if necessary.

D

Test the rotor for open or ground circuit by using
the ohmmeter (3). Replace the rotor if necessary.

D102E731

2. Inspect the stator.

D

Test the stator for an open circuit by using the ohm-
meter (1). Replace the stator if necessary.

ENGINE ELECTRICAL  1E – 27

D102E732

D

Test the stator for open or ground circuit by using
the ohmmeter (2). Replace the starter if necessary.

D102E733

3. Inspect the rectifier.

D

Positive rectifier test:
Inspect the open circuit for stator coil lead termi-
nals using the ohmmeter (1). 
Replace the rectifier if necessary.

D102E734

D

Negative rectifier test:
Inspect the open circuit for stator coil lead termi-
nals using the ohmmeter (2). 
Replace the rectifier if necessary.

D102E735

4. Inspect trio diodes.

D

Inspect the open circuit for trio diodes using the
ohmmeter (1).

D

Replace the heat sink if necessary (a).