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JOB TITLE: AUTOMOTIVE TECHNICIAN 1
DUTY NO.: 03 DUTY: PERFORM ENGINE REPAIR
TASK NO.: 03.04 TASK: Carry out engine top overhaul
LEVEL: 1 PERFORMANCE STANDARD: (Actions, Conditions, Criteria)
Carry out engine top overhaul using service manual, special tools, measuring
tools, hand tools, timing light, tachometer, valve grinding paste, valve
grinding stick, replacement parts, lubricant, and fluids so that types of engine
determined; cylinder head assembly removed, examined, and installed; and
ignition timing checked are in accordance with the manufacturer s
specifications.
SUB-TASKS/STEPS
ENABLING REQUIREMENTS
(Knowledge, Skill, Attitude and Safety)
TOOLS/EQUIPMENT/
MATERIALS
1. Distinguish type of
engine
2. Drain water
coolant and engine
oil
3. Remove cylinder
head assembly
Knowledge on:
1.1 Engine types and classifications
1.2 Engine construction
1.3 Purpose of engine main component
1.4 Principles of engine operation
Ability to:
1.1 Identify type of engine
1.2 Interpret construction of engine
1.3 Interpret principles of engine operation
Knowledge on:
2.1 Locations of water coolant and engine oil
drain plug
Ability to:
2.1 Drain engine coolant
2.2 Drain engine oil
Knowledge on:
3.1 Construction of cylinder head
3.2 Layout of rocker mechanism
3.3 Purpose of rocker mechanism
3.4 Procedures to removing rocker mechanism
3.5 Sequence to unfasten cylinder head bolts
3.6 Procedures to remove cylinder head
Ability to:
3.1 Dismantle cylinder head components
3.2 Unfasten cylinder head bolts
3.3 Detach cylinder head from engine
3.4 Operate special tools
1. service manual
2. hand tools
3. special tools
4. measuring tools
5. timing light
6. tachometer
7. valve grinding paste
8. valve grinding stick
9. replacement parts
10. lubricant and fluids
11. fender cover

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4. Examine condition
of engine cylinder
head assembly
5. Install cylinder
head assembly
Knowledge on:
4.1 Procedures of checking cylinder head
4.2 Method of checking cylinder head
4.3 Function, types, and construction of cylinder
head components
4.4 Types and usage of measuring tools
4.5 Procedures of cleaning cylinder head
components
Ability to:
4.1 Clean cylinder head and components
4.2 Check cylinder head components
4.3 Operate measuring tools
4.4 Measure cylinder head components
4.5 Lap cylinder head valve
4.6 Check valve seat for leakage
Knowledge on:
5.1 Procedures of assembling cylinder head
components
5.2 Types of cylinder head gasket set
5.3 Tightening cylinder head bolts
5.4 Sequence of tightening cylinder head bolts
5.5 Valve timing diagram
5.6 Types of timing belt tensioner
6. Replenish engine
oil and coolant
7. Check ignition
timing
Ability to:
5.1 Assemble cylinder head components
5.2 Torque cylinder head assembly bolts
5.3 Set valve timing
5.4 Fix timing belt/chain
5.5 Adjust timing belt tension
5.6 Adjust valve clearance/bleed hydraulic valve
lifter
Knowledge on:
6.1 Engine oil grade
6.2 Types of coolant
Ability to:
6.1 Fill up engine oil
6.2 Fill up radiator coolant
Knowledge on:
7.1 Procedures of starting engine
7.2 Procedures of timing ignition
Ability to:
7.1 Check for oil leakage
7.2 Check for water coolant leakage
7.3 Check for engine noise
7.4 Adjust ignition timing

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7.5 Adjust engine idling speed
Attitude/Safety:
· Use fender cover
· Correct way of disposing used oil
· Correct way of disposing water coolant
· Disconnect negative cable from battery
· Use personal protection equipment