internal combustion engines

engine tech

Torque Settings (mazda 323 b6)

1.Cylinder head bolts = Tighten: 30 Nm Tighten: 55 Nm Tighten: 76-81 Nm 2.Rocker cover bolts = Tighten: 5-9 Nm 3.Camshaft pulley bolt = Tighten: 49-61 Nm 4.Spark plugs = Tighten: 15-23 Nm 5.Fly wheel bolts = Tighten: 100 Nm 6.Sump drain bolts = Tighten: 30-45 Nm 7.Sump bolts = Tighten: 10 Nm 8.Main bearing bolts = Tighten: Stage 1: 27 Nm Stage 2: 54-59 Nm 9.Big end bearing bolts = Tighten: Stage 1: 25 Nm Stage 2: 50-54 Nm 10.Intake manifold to cylinder head bolts = Tighten: 20-25 Nm 11.Crankshaft pulley bolt = Tighten: 108-128 Nm

Electrical Questions (Part 1)

1)How many protons and electrons are there ? 29 of each 2)What dose EMF mean ? electro motor force 3)What is Resistance measured in ? ohms 4)What are the four factors to determine resistance ? material used, length of conductor, size of conductor, temperature of conductor 5)What is the purpose of a Resistor ? to cause a voltage drop 6)What is conventional current ? positive to negative 7)Which way does the electrons flow in electron current flow ? negative to positive 8)What is the term Ground ? connecting the battery to the chassis 9)Draw ohm's law triangle ? 10)How can you stop static electric shocks ? make sure there is a ground 11)What is the purpose of a Battery ? to store voltage 12)What device recharge the Battery ? the altinator recharges the battery (volts/amps) 13)What is the purpose of the ALT warning light ? to know the altinator is charging 14)What are the PPE for testing a battery and the SOP ? overalls, boots, wing guard, ruber gloves, safety glasses, 15)What is the battery fluid called ? electrolite 16)What are the three main components to test a battery ? hydromitor, multimetre, load tester

electrical module

Engineering Module