ELECTRICAL SYSTEM 17-29
Alternator
•
Install:
Collar
Pulley [A]
•
Use the following, tighten the locknut.
Socket Wrench [B] (Special Tool: 57001-1236)
Deep Socket Wrench [C]
Special Tool - Socket Wrench, Hex 22: 57001-1236
Torque - Alternator Pulley Locknut: 11 N·m (1.1 kgf·m, 97
in·lb)
Alternator Operational Inspection
•
Check the battery condition.
Conventional Type Battery (see Charging Condition
Inspection (Conventional Type Battery) in the Periodic
Maintenance chapter)
Sealed Type Battery (see Charging Condition Inspection
(Sealed Type Battery))
NOTE
○
Always check the battery condition before condemning
the alternator. The battery must be fully charged in or-
der to conduct accurate alternator inspection.
•
Check the wiring (see Wiring Inspection).
•
Warm up the engine to bring the components up to their
normal operating temperatures.
•
Stop the engine.
•
Removethe30Afanfuse(seeFuseRemoval).
•
Connect the hand tester [A] (range DC 25 V) and ammeter
[B] (range DC 40 A, after the engine start) as shown in the
figure.
Battery [C]
50 A Fuse [D]
Alternator [E]
Load [F]
•
Measure the alternator output voltage and amperage at 2
000 rpm with the light switch turned OFF.
Alternator Output Voltage
Standard: 13.3 ∼ 14.8 V at 25°C (77°F)
Alternator Output Amperage (no load)
Standard: 10 A or less
•
Stop the engine.
•
Install the 30 A fan fuse (see Fuse Installation).
•
Measure the alternator output voltage and amperage at 2
000 rpm with the light switch turned ON.
Alternator Output Voltage
Standard: 13.3 ∼ 14.8 V at 25°C (77°F)
Alternator Output Amperage (load)
Standard:
20 A or more
If the readings are not within the specified range, check
the alternator.
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