STATION 1
In the space below, sketch in good proportion the exploded view of a rear wheel leaf spring spring swing shackle. (10 marks)
STATION 2
Using the materials and equipment provided, make the model scraper shown in Figure 1. (10 marks)
STATION 3
Identify the tools and fasteners labelled A to J and state one use of each (10 marks)
| ITEM | NAME | USE |
| A | ||
| B | ||
| C | ||
| D | ||
| E | ||
| F | ||
| G | ||
| H | ||
| J |
STATION 4
On the single cylinder engine provided, determine the big end oil clearance at a torque of 20KN/m2 (10 marks)
LET THE EXAMINER CHECK YOUR WORK
STATION 5
LET THE EXAMINER CHECK YOUR WORK
STATION 6
Identify the parts labelled K,L, M, N and P. Name the vehicle system in which each part is used. For each part, identify one defect and state its effecton vehicle performance (10 marks)
| PART | NAME | VEHICLE SYSTEM | DEFECT | CAUSE |
| K | ||||
| L | ||||
| M | ||||
| N | ||||
| P |
STATION 7
On the braking system of the wheel identified, perform the following tasks:
- Identify the parts labelled X and Y.
- Remove the brake pads and carry out visual check. Report the conditions of the pads to the examiner.
- Replace the pads. (10 marks).
LET THE EXAMINER CHECK Y OUR WORK.
STATION 8
On the tyre provided, perform each of the following tasks:
- Identify the type of wear labelled T and state one possible cause.
- Select the appropriate tool to measure and record the following
(10 marks)Measurement Reading Tool used Maximum tread depth Tyre width Tyre pressure
STATION 9
On the multi-cylinder engine provided, perform each of the following tasks:
- Remove the fan belt.
- Examine the fan belt and comment to the examiner on its service condition.
- Refit the fan belt. (10 marks)
LET THE EXAMINER CHECK YOUR WORK.
STATION 10
Use the tools and materials provided to make the gasket for the part provided. (10 marks)
LET THE EXAMINER CHECK YOUR WORK.
MARKING SCHEME
Sketching the main parts
- Shackle
- 2 bushes (shackle side) evision.com/membe
- main leaf spring 7 x 1 = 7 marks
- 2 bushes (link side)
- link
- 2 nuts
- proportionality 1
- exploded 1 = 3
- neatness 1
TOTAL 10 marks
STATION 3
| ITEM | NAME | USE |
| A | Wire feeler gauge | Measuring spark plug gap |
| B | Allen key | Used to tighten or untighten nuts or bolts with hexagonal heads |
| C | Piston ring expander | For removing and fitting Piston rings |
| D | Pop rivet | For riveting using a river gun (joining two pieces together) |
| E | Straight edge | For measuring straightness or flatness of a surface |
| F | Split spring washer | To avoid the parts of bolt and nuts from loosening |
| G | Hydrometer | For measuring the specific gravity of a cell in a battery |
| H | Grease gun | To apply grease to closed area/sealed |
| I | Reamer | For enlarging a drilled hole and smoothening |
| J | Dome headed wheel nut | For holding the wheels on studs |
| 10x ½ = 5 | 10x ½ = 5 |
STATION 6
| PART | NAME | VEHICLE SYSTEM | DEFECT | EFFECT |
| K | Pushrod | Valve I | Bent | Mixture leakage |
| L | Universal joint | Transmission | Worn | Noise Vibrations |
| M | Centre bolt | Suspension | Bent | Poor suspension system |
| N | Contact breaker points | Ignition system | Burned Worn |
Spark plug does not produce a spark |
| P | Oil filter | Lubrication | Used | Poor circulation of lubrication oil |
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