Page 180 - CTS - Mechanic Diesel - TP

MECHANIC DIESEL - CITS

MODULE 10: Charging System

EXERCISE 10.1 : Checking of charging circuit and

alternator output on vehicle

Objectives

At the end of this exercise you shall be able to
• check Charging circuit continuity
• remove the alternator
• check Alternator Output voltage
• check circuit voltage-Drop
• check charging Circuit Relay
• do trouble shooting charging system.

Requirements
Tools/Instruments

• Digital multimeter - 1 No. • Running condition of
• Continuity meter - 1 No. LMV vehicle - 1 No.
• Ohm meter - 1 No. Materials
• DE spanner 6 to 32 - 1 No. • Tray - as reqd.
• Electrical tester - 1 No. • Cotton cloth - as reqd.
• AC alternator slip ring puller - 1 No. • Kerosene - as reqd.
• Executive auto electrical toolkit - 1 No. • Diesel - as reqd.
• Electrical test bench - 1 No. • Electrical wires - as reqd.
• Pulley set universal for • Engine Oil - as reqd.
bearing & bushes - 1 No. • Coolant - as reqd.
Equipments/Machines • Insulation tape - as reqd.
• Battery Jumper cutter with
• Alternator Tester - 1 No. crocodile clips - as reqd.

Procedure

TASK 1: Locate alternator circuit and check continuity
1 Locate the circuit from the alternator’s (1) output terminal (5) to the voltage regulators (2) terminal A (3)
and check the continuity

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