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Mechanics (Understanding and Working with Machines) 100 Hours Certificate Course

Mechanics Course Online: Learn the mechanics behind the maintenance and repair of machinery. This distance learning course is not only relevant to cars. It is relevant to any machine with an engine or a motor, including those found in the home. Gain an understanding of how machines work, so that you can undertake servicing and repair jobs yourself.

This is an ideal course for DIY Enthusiasts and a great foundation programme for apprentices either working in or wanting to work in the service and repair of cars, farm machinery, home appliances, lawn mowers and many others.

Machines have become so much a part of modern life that we can easily take them for granted. Most people don’t even give a second thought to how the machines they use are functioning; that is until they stop functioning.

Learning more about mechanics can enable you to do so much more with machines though, from using them more appropriately and safely to maintaining and repairing them when required. Some machinery is relatively simple and easier to learn about, but other machines can be much more complex and will require far more learning and experience to properly understand.

This course is the cornerstone for understanding and working with all machines, each lesson building upon what you learnt in the previous ones, gradually expanding your awareness and understanding of how and where engines can be used to power machines, and how different types of machines function.


 

Learning Goals: Mechanics (Understanding and Working With Machines)  BSS102
  1. Explain how different types of engines and motors work.
  2. Describe the features that differentiate the quality and work capacity of engines; one from another.
  3. Describe the scope and nature of components of a machine.
  4. Explain different ways of converting the movement of energy to perform useful work tasks.
  5. Describe how machinery can deteriorate over time, and responses to both prevent and repair deterioration.
  6. Explain how engines and motors have their power output regulated.
  7. Explain the mechanisms used to slow or stop any form of motion by applying force.
  8. Describe machinery workshop tools and equipment, and explain their safe and appropriate use in maintaining and repairing machinery.
  9. Describe some routine machine maintenance and repair tasks.

 

Lesson Structure: Mechanics (Understanding and Working With Machines) BSS102

1  Introductory Mechanics

  • Introduction
  • Power Sources
  • Engines
  • Steam Engines
  • Petrol Engine
  • How an Engine Works
  • The Operating Cycle
  • Stages in a Four Stroke Spark Ignition Engine Cycle
  • Stages in a Two Stroke Spark Ignition Engine Cycle
  • Electric Motors
  • Parts of an Electric Motor
  • Types of Electric Motors
  • Comparison of Electric and Petrol Engines
  • Applied Tasks: Changing a Wheel, Mending a Puncture

2  Engine Features

  • Measurements and Mechanical Principles: Force, Load, Pressure, Relationships in Pressure Measurements, Absolute Pressure, Force of Gravity, Centre of Gravity, Specific Gravity (Specific Weight), Density, Volumetric Efficiency, Vacuum, Work, Power, Energy, Bore, Piston Displacement, Compression Ratio (CR)
  • How to Convert Imperial Measurements into Metric
  • Engine Efficiency: How Does an Engine lose Power?
  • Features of Electric Motors
  • Applied Tasks: Spark Plugs, Checking for fouling and damage/ reading the spark plug

3  Machines and their Parts

  • Parts of a Machine: Engine Systems, Lubrication System, Transmission System, Cooling System, Fuel System, Transmission System, Gearbox (transmission), Clutch (torque converter), Differential, Prop shaft/ drive shaft
  • Power Source and Ignition: The Ignition System, Distributor, Coil pack
  • Other Machines: Outdoor Multi Tools, Domestic Maintenance Equipment, Kitchen Equipment

4  Drive Mechanisms

  • Introduction
  • Cog Drive Machinery
  • Belt Drive Machinery
  • Transmission Drive Machinery
  • The Transmission System
  • Applied Tasks: Replacing Drive Belts

 5  Managing Machinery Deterioration

  • The Lubrication System
  • The Cooling System
  • Lubrication: Oil Viscosity, Delivering the Lubricant, Splash System, Pressure System, Combination Pressure and Splash
  • Types of Lubrication Pumps
  • Types of Filter Systems
  • Materials Deterioation
  • Metals - Ferrous: (Iron) Materials, Steels, Heat Treatments, Aluminium, Copper, Lead, Zinc, Tin, Nickel  
  • Non-Ferrous Alloys: Brass, Bronze, White Metal, Solder
  • Seals
  • Servicing Filters: Air Filters, Oil filters, Fuel Filters
  • Servicing the Filters: Air Filters

6  Optimizing Machine Operation (Getting the most from Machines)

  • Introduction: Adjustments, Controlling Power, Carburettors (for petrol engines), Types of Carburettors, How a Carburettor Controls the Fuel Mix, Number of Barrels
  • Lubrication
  • Exhaust Systems: Catalytic Converter, Muffler, Extractors
  • Turbochargers: Intercooling, Wastegate, Blow off valves, Twin vs single turbo, Boost controller
  • Superchargers: Temperature effects
  • Applied Tasks: Servicing a Carburettor

7  Brake Systems

  • Introduction
  • Drum vs Disc Brakes
  • Drum Brakes and Shoe (Pad)
  • Disc Brakes
  • Brake Systems –Pneumatic
  • Hydraulic and Electric Brakes
  • ABS (Anti-lock Brake System)
  • Regenerative braking
  • Applied Tasks: Servicing Brakes, Jacking up the vehicle to change or service brakes, Changing Disk Brakes, Changing Drum Brakes, Motorcycle Brakes, Push Bike Brakes

8  The Machine Workshop

  • Introduction
  • Tool Maintenance
  • Work Bench
  • Vices and Clamps
  • Lifts, Ramps, Jacks, Ladders
  • Tightening Pullers
  • Pulleys
  • Winches
  • Generators, Battery Chargers
  • Cleaning Equipment
  • Grinders, Sharpening Equipment
  • Work Pits and Hoists
  • Measuring Equipment
  • Spanners and Allen Keys
  • How to Use Spanners
  • Pliers and Grips
  • Screwdrivers
  • Files
  • Cutting Equipment
  • Hammers, Chisels and Punches
  • Tap and Die Cutters
  • Lubrication Equipment
  • Drills
  • Saws
  • Soldering
  • Welding: Oxy-fuel welding, Shielded metal arc welding (SMAW), Gas tungsten arc welding (GTAW), Gas metal arc welding (GMAW), Flux-cored arc welding (FCAW), Submerged arc welding (SAW), Electroslag welding (ESW), Electric resistance welding (ERW)

9  Machine Maintenance and Repair

  • Introduction
  • Servicing a Typical Motor Car
  • Inspect Oil levels/Engine/transmission – Change oil filter, fuel filter
  • Changing spark plugs/ cleaning / gapping resizing /Installing
  • Inspect Coolant levels
  • Inspect tyre pressure/tread condition (should be done regularly if not every 6 months)
  • Change Fuel Filter
  • Check brakes – brake fluid
  • Wheel Alignment
  • Power steering fluid
  • Electrics – indicators, brake lights, headlights, windscreen wipers and fluid, hazard lights, horn
  • Replacing light bulbs
  • Servicing Garden Equipment
  • Oil
  • Dirty Spark Plugs
  • Mowers
  • Changing Mower Blades
  • Chainsaws
  • Outdoor Electric Machines
  • Treating Rust
  • Painting Metal

 

THE LUBRICATION SYSTEM

Any piece of metal, regardless of how smooth and polished it may look to the sight or touch, is covered with tiny irregularities and projections. When two highly polished metal surfaces are brought together, and one forced to slide over the other, the projections grip each other, causing resistance to the sliding.

This resistance is called FRICTION. Friction results in wear of the metals. The amount of friction depends on the type of material, amount of pressure and the nature of the surfaces.

Lubrication reduces friction, and this occurs when some substance, either liquid or solid is put between two rubbing surfaces. Lubrication also reduces wear and heat that would otherwise occur. The lubrication system must distribute the lubricant so that at no instance is there metal to metal contact in any moving parts.

There are different types of lubrication systems, for different types and sized engines, e.g. the splash feed system (see diagram below) and the force feed system. Although the lubricant acts as a coolant, some sort of cooling system is also necessary in an engine (cooling methods are discussed in the following section).

Splash feed lubrication side viewSplash feed lubricating system

 

 

 

 

 

 

 

 

 

 

 

Oil contamination can occur so it is necessary to change the oil regularly, after a certain number of operating hours. Moisture contamination can occur in an engine due to condensation and also as a result (by-product) of the cooling process itself. Dirt may enter through the air intake of the engine, so it is important to regularly change or maintain the air filter. Tractors, particularly, operate in very dirty environments and for this reason they are fitted with a special mechanism called an oil bath air cleaner. Carbon and soot by products also cause oil contamination.

Rocker shaft diagram

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The Cooling System

When a motor or engine is operating it produces a significant amount of heat. To prevent damage to the engine it is necessary to keep the engine at a correct temperature. Operating an engine at overly high temperatures causes structural damage to engine components, and overly cool operating temperatures mean the fuel will not vaporise properly. The two main methods for cooling engines are air cooling and water cooling.

Air cooling is mainly used in small engines (single cylinder) or for machinery like potato harvesters, lawn mowers and elevators. A blast of air is directed on the cylinder and cylinder head, both of which are finned (see diagram below). These fins increase the surface area of the cylinder and provide a larger surface area through which the heat can spread. Air cooled systems are simple and reliable, but are less efficient than water cooled systems as air has a lower heat capacity, so more air is needed to produce the same effect as water. Over-heating can occur if the fins become blocked with dirt, as this reduces the surface area to be cooled.

Cooling system

 

 

 

 

 

 

 

 

 

 

Water cooling is more effective for use in multi-cylinder engines. The engine cylinders are completely surrounded with a water jacket. The water extends to the cylinder head where there is an outlet to the radiator. There is another outlet at the bottom of the radiator connecting back to the water jacket surrounding the cylinders. Water flows around this system.

The radiator is composed of a head tank and a bottom tank. Between these there are a lot of thin tubes and metal plates that greatly increase the surface area to be cooled. This is the core of the radiator. Behind the radiator core there is a fan that operates via a pulley system connected to the crank shaft of the engine. This fan blows cool air onto the radiator. The cooled air circulates back through the engine.

Water cooled engine

 

 

 

 

 

 

 

 

 

 


Course Info
How Do Our Tuition Fees Compare?Full time classroom based Further Education Courses - Approx. £5,000 per year - Part-time classroom based Adult Education Courses - Approx. £7.00 per hour - N.B. classroom tuition means you learn at the pace of the class. One-to-one private tuition - from £15.00 per hour - ADL one-to-one tution fees - From £340 per 100 Hour Course = Average of £3.40 per hour - N.B. one-to-one tuition is tailored to your own individual learning availability and pace.
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Course Prerequisite None - Our course levels are an indication of the depth of learning you should receive. They do not describe the level of difficulty.
Course Qualification (Study Option A)Endorsed Qualification from TQUK - Training Qualifications UK, an Ofqual Approved Awarding Organisation - Completed written assignments and final evaluation per course/module to be taken.
Course Qualification (Study Option B)Certificate of Attainment from ADL - Completed written assignments only - no final evaluation.
Comparative Credits InformationUK Course Credits: 10 - U.S. Credit Hours: 3 - when compared to regulated courses.
Course Duration and DeadlinesCourse hours given are a guide only. You will be encouraged to work at your own pace to learn as much as you can, with no assignment deadlines or end date by which you must complete your course by. You are in control!
Study SupportPersonal tutor/mentor support from industry relevant professionals throughout your whole course. Mentors are contactable by e-mail, telephone and through the Moodle online classroom. They provide assistance with your course material, plus discuss, explain and give advice when needed. They will also mark and grade your assignments, plus provide constructive and helpful feedback vital to your success.
Suitability for Self Employment and Small BusinessesOur courses are ideal for sole traders and small business owners and their staff. Customer confidence in what you can do will determine how successful you are in getting clients. Doing the job right using the correct knowledge and skills, leads to repeat business and referrals to friends, family and work colleagues. Completing one or more of our courses for the service you have to offer, will give you the tools to achieve this and grow your business.
Recognition of Your Course By EmployersWe aim to achieve the correct balance between your qualification being recognised and providing you with the in-depth learning, to empower you to succeed. If you can demonstrate that you have the level of knowledge and transferable skills necessary to an employer, you should stand out from someone who has only received a superficial understanding of what's required - Select study option A when enrolling, so an employer can check the status of the awarding organisation for your qualification on the Ofqual Register.
Recognition of Your Course By UniversitiesAs you will see on our Testimonials page, previous students have used their qualification from us to get into university. However each one will have its own entrance criteria and acceptance may also depend on your other qualifications and experience. We can approach up to three universities on your behalf with details of our course before you enrol, so you will know whether it will be accepted as part of their application process. Please complete our contact form and we will begin the process.
Designing Your Own QualificationBundle up your choice of related courses to form your own qualification. Our Advanced Certificates (4 courses), Diplomas (6 courses), Advanced Diplomas (8 courses) and Higher Advanced Diplomas (12 courses), are used to differentiate between the in-depth knowledge and skills you will acquire in your chosen area of study. e.g. Advanced Certificate in Turf Care Management, which includes individual courses: Turf Care, Sports Turf Care, Turf Repair and Renovation and Turf Grasses.
How Can I Enrol?Online by selecting your study option, learning materials, plus payment option and then clicking the Enrol Now button - By contacting us for an application form - By telephoning us on 01227 789 649 (International: 0044 1227 789 649). Lines open 9am till 5pm Monday to Friday, excluding Bank Holidays and between Christmas and New Year.
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Mechanics (Understanding and Working with Machines) 100 Hours Certificate Course

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Mechanics (Understanding and Working with Machines) 100 Hours Certificate Course

Price: £340.00Course Code: BSS102
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