MOTO GUZZI Le Mans 850 Additions And Changes To The Workshop Manual page 23

ALTERNATOR CHARGING SYSTEM FAULTS
In ease of faults in current charg ing systems,
remember that the cause is not to be found ex·
elusively in alternator or regulator but also In
FAULT CAUSE
-
battery I.
no.
charged or
Insutnclentty
charged.
1.
Passage break or resistance in the
current charging circu it.
2.
Defective battery.
3.
Defective alternator.
4.
Defective regulator.
The charge warning light Is noll" with engine
a. stillstand and keyswltch In.
1. Warn ing light bu lb burnt.
2. Discharged battery.
3. Defective battery.
4. Slackened or damaged wiring .
5. Defective regulator.
6. Sho rtci rcu il of an alternator positive diode.
7. Worn carbon bru shes.
8.
Oxidation on contact rings, breaking in the
roior winding.
Tht;
charge warning light Is lit with higher rpm
rat".
, . The conductor 0
+
/ 61 is grounded.
2. Defect ive regu lator.
3. Defective rectifier, contact rings dirty,
presence of C.C. in the OF condu ctor
or in the winding.
The charg. warning light bulb Is bright, with
engln. at IllIIstand, but It gets dark.r by start·
Ing the engine or It shine •.
1. Contact resistance in charging c ircu it
or in the bulb wire.
2. Defective regulator.
3. Defective alternator.
Th. bulb light flickers.
1. Wrong cali brat ion in contact regu
lator
res istance.
battery, electric conductors or others.
Hereunder these is a list of most probable fault
causes and thei r remedies.
REMEDIES
1. Avoid passage break or resistance.
2. Replace.
3.
Have it repaired In specific workshop .
4.
Replace.
1.
Replace.
2.
Charge by outer electric source.
3. Replace.
4.
Replace or tighten.
5.
Replace.
6. Have the alterna tor repaired
in
specific workshop.
7.
Rep lace.
8. Have Ihe alternator repaired .
1. Replace or avoid grounding.
2.
Replace.
3.
Have the alternator repaired in specific
workshop.
1. Avoid such resistance.
2.
Replace.
3. Have it repaired.
1. Replace the regu lator.
193