Diagnosis - Charging Circuit - Triumph Rocket III Classic Service Manual

General Information
Diagnosis - Charging Circuit
ENSURE THE BATTERY IS IN GOOD
Not OK
RECHARGE OR REPLACE FAULTY
CONDITION AND FULLY CHARGED.
BATTERY AND/OR REPAIR DIRTY/
CHECK ALL BATTERY AND GROUND
LOOSE CONNECTIONS
TERMINALS ARE CLEAN AND TIGHT
OK
I
OK
IF
WITH THE ENGINE RUNNING AT
Above
AROUND 2000 RPM, MEASURE THE
15 Volts
FAULTY RECTIFIER! REGULATOR BATTERY VOLTAGE AT THE BATTERY.
THE BATTERY VOLTAGE SHOULD BE
14.5 ±0.5 VOLTS
Below
14 Volts
,
STOP THE ENGINE AND DISCONNECT THE
ALTERNATOR CONNECTOR. RE-START
THE ENGINE AND ALLOW TO IDLE.
MEASURE THE ALTERNATING CURRENT
(AC) VOLTAGE FROM THE 3 ALTERNATOR
OUTPUT WIRES IN TURN.
THE OUTPUT VOLTAGE MUST EXCEED 10
VOLTS
AC FROM EACH WIRE
Above 10
VollsAC
RAISE THE ENGINE SPEED ABOVE
4000 RPM. MEASURE THE
Below 30
ALTERNATING CURRENT (AC)
VollsAC
VOLTAGE FROM THE 3 ALTERNATOR
FAULTY ALTERNATOR
OUTPUT WIRES IN TURN.
THE OUTPUT VOLTAGE MUST NOW
EXCEED 30 VOLTS AC FROM EACH
WIRE
Above 30
VoltsAC
r
FAULTY RECTIFIER! REGULATOR
1.20
SelVice Manual- Rocket 1111 Classic 1 Touring