ABNORMALITY OF MIXTURE

1. LEAN MIXTURE – more air than fuel - 18:1 or 17:1 Effects: - Engine Stall - Hard Starting - No Engine Idle Causes: - Incorrect Adjustment of Mixture - Lake Intake Manifold - Malfunction Idle, Solenoid Switch B. RICH MIXTURE – more fuel than air - this is needed during cold starting & high speed engine operation. - spark plug wet and fouled - high emission Causes: - Block Air Cleaner - Incorrect Adjustment of Mixture Screw - Choke Valve stay closed - Fuel level in float too high of flooding Fuel

DIESEL ENGINE FUEL SYSTEM COMPONENTS

1. Fuel Tank - a storage fuel 2. Fuel Line & Hoses – made of steel tubes & flexible rubber Hoses. 3. Sedimentor – It traps water inside the filler so that no water will be pumped inside injection pump. 4. Primer Pump – A low pressure pump that pumps low pressure fuel inside fuel gallery of injection pump. - It keeps the injection pump full of fuel. ( 3 Types of Primer Pump) P1. Plunger Type – use by inline type injection pump. P2. Vent Type – use by a distributor type injection Pump P3. Diaphragm Type – driven by the engine camshaft. 5. Fuel Filter – filter out dirt w/in the fuel system Fuel filter must be replace every 25,000 km 6. Injection Pump – A high pressure pump that supply high pressure fuel into the injector. - It meters the right amount of fuel in accordance to speed & load. (2 Types of Injection Pump) 1. Inline Type 2. Distributor Type 7. Governor – A Fuel management system - It controls the operation pump fuel delivery. (4 Types of Governor) 1. Mechanical 2. Hydraulic 3. Pneumatic 4. Electronic 8. Injector – Atomizes the fuel ( 2 Types of Injector) 1. Hole Type – direct injection 2. Pintle Type – indirect injection 9. Glow Plugs - In the tip of the glow plug is a coil of a resistive wire or a filament which heats up when electricity is connected.

Automotive Marketing

Engine Support System

Several subsystems support engine operation. They are the cooling system, the fuel system, the lubrication system, the electrical system, including the charging, starting, ignition, and computer systems, and exhaust system. To provide improvements in fuel economy and exhaust emissions, new cars also have sophisticated computerized systems that operate fuel and emission control systems.

Basic Parts Microsoft Word Screen

1. TITLE - displays the program name and the name of the documents being edited. 2. MENU BAR - contains the main Word for Windows Menu. 3. STANDARD TOOLBAR - displays the buttons that you select to perform common editing task. 4. FORMATTING TOOLBAR - use to select character and paragraph formatting command to enhance the look of your documents. 5. RULER - controls the margins, indents and tab alignment. 6. WORK AREA - the place where your word documents appears. 7. STATUS BAR - displays information about your word documents (e.g. Page number, section number and etc.) 8. SCROLL BAR - appear along the bottom and right edges of the word screen and is use to move up and down, left or right of your screen.

Microsoft Word

Microsoft - is a word processing application that is used to create written documents letters, memos, research papers and so forth. To open Microsoft word application program follow the steps: 1. Click the start button, if you are using a mouse, or press CTRL + ESC if you are using a keyboard. 2. Or from the start menu, choose programs. 3. Or from the submenu, choose Microsoft Office, then Microsoft Word.

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Engine Support System

Several subsystems support engine operation. They are the cooling system, the fuel system, the lubrication system, the electrical system, including the charging, starting, ignition, and computer systems, and exhaust system. To provide improvements in fuel economy and exhaust emissions, new cars also have sophisticated computerized systems that operate fuel and emission control system.