Page 238 - Mechanic Diesel - TT

MECHANIC DIESEL - CITS

Sound in alternator

Sl. No. Possible causes Remedies
1 Worn out bearing Replace it

2 Loose pulley and fan Tight the same
3 Loose pulley foundation bolt Tight the same

4 Loose drive belt Tight the same
5 Short diodes Replace with new diodes
6 Short in stator Rectify the fault

Less or poor life of regulator

Sl. No. Possible causes Remedies

1 Short in rotor Repair the short or replace the motor

2 Loose earth connection of regulator Make the earth connection correctly
3 Regulator points air gap too much Set it correctly
Some common fault found in charging system

Sl. No. Faults Remedies
1 Battery low Charge it, if it’s need sulphuric acid then top up

Tighten it, if it need soldering then arrange to new
2 Battery terminal loose
soldering terminal

3 Battery not charge properly Alternator wiring socket loose tight it
Remove and disconnected extra accessories of your
4 Battery continuous low
vehicle like extra lightening
Vehicle dashboard light blinking or vehicle Fuse connection getting to contact with moisture try
5
engine off while running to cover it properly and to put a dry

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CITS : Automotive - Mechanic Diesel - Lesson 67 - 70