Diesel Engine Starter Motor and Working Principle

Diesel Engine Starter Motor and Working Principle

Where we need a self-starter?

• we need self-starter in an engine.

Which is a self-starter?

• Any motor which is used to kick-up the engine .

When we need a self-starter?

• During the time of engine starting, we need a self-starter.

What is a self-starter?

• A starter (also self starter, self, or starter motor) is an electric motor, pneumatic motor, hydraulic motor, an internal-combustion engine in case of very large engines or other device used for rotating an internal-combustion engine so as to initiate the engine’s operation under its own power.

Why we need a starter?

• To start the first cycle of engine’s run session, the first two strokes must be powered in some other way. The starter motor is used for this purpose and is not required once the system starts running.

Components of Self-Starter

Internal Diagram of Self-Starter

Types of difficulties faced with self-starter

1) Engine will not crank

2) Engine cranks too slowly to start

3) Starter keeps running

4) Starter spins but engine will not crank

5) Starter does not engage/Disengage properly

Operating Guidelines

1) To prevent damage to the starter, do not engage the starting motor for more than 30 sec. at a time. Wait for 2 minutes between each attempts to start(electric starting motors only).

2) If the engine does not start after 3 attempts, check the fuel system for any air lock. White smoke in exhaust system indicates that fuel is not being delivered.

3) The starter must not be used to prime the fuel system.

An Article by VV