Automotive Mechatronics Technology  ·  Level 6
Vehicle Engine Maintainance
Chapter 11: Service engine vibration dampening system
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Chapter Practical Activities

Practical 1: Inspect engine vibration dampening system components for wear and damage

Automotive Mechatronics Technology · Level 6
Vehicle Engine Maintainance
PRACTICAL ASSESSMENT
TIME: 4 HOURS
⬇ PDFCandidate Instructions (Candidate Tool)

Type: Individual

INSTRUCTIONS TO CANDIDATE:
1.  You are required to perform the following task:
i.  Inspect and report on the condition of the engine vibration dampening system components including damper pulley, bolts, and rubber isolators on the vehicle engine.
2.  You have been provided with the following resources for the practical task:
Tools & EquipmentMaterials
Complete mechanic’s toolboxCleaning cloths (cotton waste)
Feeler gauge set
Torque wrench
Flashlight or inspection lamp
⬇ PDFResources Required (Cutting List)
S/NItemQuantity
1Vehicle engine with installed vibration dampening system1 Pc per Candidate
2Complete mechanic’s toolbox1 Set per Candidate
3Feeler gauge set1 Set per Candidate
4Torque wrench1 Pc per Candidate
5Flashlight or inspection lamp1 Pc per Candidate
6Cleaning cloths (cotton waste)100 g per Candidate
7Safety boots1 Pair per Candidate
8Overall/dust coat1 Pc per Candidate
9Gloves1 Pair per Candidate
⬇ PDFAssessor Guide
Items to be EvaluatedMarks AvailableMarks ObtainedComments
TASK 1: Preparation and Safety
Wore personal protective equipment: safety boots, overall, gloves
(Award 1 mark each or zero x 2 = 2 Marks)
2
Prepared the working area and selected correct tools for inspection
(Award 1 mark or zero)
1
Sub-Total3
TASK 2: Inspection of Vibration Dampening System Components
Inspected damper pulley for cracks, wear, and proper fitment
(Award 2 marks or zero)
2
Checked bolts and fasteners for tightness and corrosion
(Award 2 marks or zero)
2
Examined rubber isolators and mounts for cracks, brittleness or deformation
(Award 3 marks or zero)
3
Used feeler gauge to check clearance between pulley and adjacent components
(Award 2 marks or zero)
2
Cleaned components using cotton waste and inspected for oil contamination
(Award 1 mark or zero)
1
Sub-Total10
TASK 3: Reporting and Safety
Reported findings clearly with recommendations for repair or replacement
(Award 2 marks or zero)
2
Ensured safe re-assembly and proper tool storage
(Award 1 mark or zero)
1
Observed general safety and cleanliness during and after task
(Award 1 mark each or zero x 2 = 2 Marks)
2
Sub-Total5
PRODUCT CHECKLIST
Accurate identification of worn or damaged vibration dampening components
(Award 3 marks or zero)
3
Correct measurement of pulley clearance within manufacturer’s specifications
(Award 3 marks or zero)
3
Clean and safe condition of inspected components with no oil contamination
(Award 2 marks or zero)
2
Sub-Total8
GRAND TOTAL26
ASSESSMENT OUTCOME:   ☐ Competent    ☐ Not Yet Competent (competent if at least 50%)

Practical 2: Remove vibration dampener from vehicle engine

Automotive Mechatronics Technology · Level 6
Vehicle Engine Maintainance
PRACTICAL ASSESSMENT
TIME: 4 HOURS
⬇ PDFCandidate Instructions (Candidate Tool)

Type: Individual

INSTRUCTIONS TO CANDIDATE:
1.  You are required to perform the following task:
i.  Remove the vibration dampener from the engine crankshaft flange of diameter 150mm as per the manufacturer's specifications.
2.  You have been provided with the following resources for the practical task:
Tools & EquipmentMaterials
Complete mechanic's toolboxCleaning cloth
Torque wrench
Puller tool for vibration dampener
Screwdrivers set
⬇ PDFResources Required (Cutting List)
S/NItemQuantity
1Complete vehicle engine mounted on engine stand1 Pc per Candidate
2Complete mechanic's toolbox1 Pc per Candidate
3Torque wrench1 Pc per Candidate
4Puller tool for vibration dampener1 Pc per Candidate
5Screwdrivers set1 Set per Candidate
6Safety boots1 Pair per Candidate
7Overall/dust coat1 Pc per Candidate
8Gloves1 Pair per Candidate
9Cleaning cloth100 g per Candidate
⬇ PDFAssessor Guide
Items to be EvaluatedMarks AvailableMarks ObtainedComments
TASK 1: Preparation and Safety
Wore personal protective equipment including safety boots, overall, and gloves
(Award 2 marks or zero)
2
Prepared the working area and ensured engine is securely mounted on stand
(Award 1 mark or zero)
1
Sub-Total3
TASK 2: Removal of vibration dampener
Loosened and removed the crankshaft pulley bolt using appropriate socket and torque wrench
(Award 2 marks or zero)
2
Marked the position of the vibration dampener relative to the crankshaft for correct reassembly
(Award 1 mark or zero)
1
Set up the puller tool correctly on the vibration dampener
(Award 2 marks or zero)
2
Removed the vibration dampener from the crankshaft flange without damaging the dampener or crankshaft
(Award 3 marks or zero)
3
Cleaned the vibration dampener and crankshaft flange with cleaning cloth
(Award 1 mark or zero)
1
Sub-Total9
TASK 3: Post-removal procedures
Inspected the vibration dampener for cracks, wear or damage
(Award 2 marks or zero)
2
Cleaned and wiped the work area and disposed of any waste materials properly
(Award 1 mark or zero)
1
Observed safety and housekeeping procedures throughout the task
(Award 1 mark or zero)
1
Completed the task within the allotted 4 hours
(Award 1 mark or zero)
1
Sub-Total5
PRODUCT CHECKLIST
Vibration dampener removed without damage, correctly marked for reassembly, and cleaned
(Award 5 marks or zero)
5
Crankshaft flange and dampener surfaces cleaned and inspected for damage
(Award 3 marks or zero)
3
Sub-Total8
GRAND TOTAL25
ASSESSMENT OUTCOME:   ☐ Competent    ☐ Not Yet Competent (competent if at least 50%)
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🔒Clean engine vibration dampener and mounting surfacesPractical 3
🔒Measure engine vibration dampener dimensions to verify specificationsPractical 4
🔒Balance Engine Vibration Dampener for Smooth OperationPractical 5
🔒Replacement of Engine Vibration Dampener ComponentsPractical 6
🔒Reinstall engine vibration dampener ensuring correct alignment and torquePractical 7
🔒Test engine vibration after servicing the vibration dampening systemPractical 8
🔒Document service and maintenance actions for engine vibration dampening systemPractical 9
🔒Identify and Diagnose Engine Vibration Dampening System FaultsPractical 10