engine_tune_up

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STEP Skills Development and Competitions CONTEST AREA: Industrial Arts CONTEST PACKAGE

YEAR LEVEL: Fourth Year

ASSESSMENT

RESOURCES

PROCEDURE/SPECIFICATIONS T

CRITERIA

Engine Tune-up (Gasoline) TIME ALLOTMENT

1 hour DESCRIPTION

PERCENTAGE

Workmanship Quality of Work 65% - Functionality 35% - Accuracy 30% Use of tools and materials 10% Safety 10%

Engine tune-up is one of the routinary, regular quick services and income Speed generating activity offered in automotive. The purposes of it is to bring and maintain the engine to its optimum performance without Communication Skills sacrificing engine fuel consumption and overall performance of the vehicle.

85%

a. Contest registration of trainers and contestant.

c. feeler gauge

b. Submission of required documents for the contest contest.. c. Ocular inspection of the contest venue.

d. spark plug wrench e. spark plug gauge

d. Briefing/orientation of trainers with the contest administrator a

day before the actual competition. e. Inspection and distribution of contest materials and other paraphernalia.

DURING 10%

a. Briefing of trainers and contestants with the contest

T O O L S

5%

d. Other instructions.

AFTER All outputs shall be endorsed to the Secretariat by the Contest Administrator after judging. c. All endorsed outputs shall be displayed until the duration of the skills competition.

EMPLOYABILITY OR BUSINESS OPPORTUNITY

NOTES regional organizers may opt to deviate.

100%

ATTACHMENT(S)

b. All items listed under tools, materials and equipment shall be

provided by the participant. c. Functionality of engine shall be checked before the contest.

Analytic Scoring Rubrics/ Percentage Table

FORM OF JUDGING

a. 4K Toyota engine

E Q U I P M E N T

a. With regard to the provision of resources, the division and

Engine Tune-Up Attendant/ Mechanic

Compatriot Judging

f. timing light g. Dwell-Tach tester

administrator (10 minutes).

ILLUSTRATION

Knowledge and skills in automotive engine tune-up can also be applied to motorbikes, motorboats, engineoperated amusement rides and light duty engine-operated equipment.

Organizer/s

b. Final instructions of trainers with their contestants. c. Inspection of contest materials, tools and equipment

a. Trainers shall serve as judges.

TOTAL

Contestant/s a. open and box wrench b. screw driver set

PRELIMINARY ACTIVITIES

b.

USE

Number of Participants: 1

M A T E R I A L S

a. 12 volts battery with cable b. condenser c. contact points d. spark plugs e. gasoline f. rags g. distributor


ANALYTIC PERFORMANCE SCORING RUBRICS FOR ENGINE TUNE-UP (GASOLINE)

A. Workmanship

85%

1. Quality of Work 1.1 Accuracy

95

30%

90

All measurement of tests were within the specifications ¾ Valve clearance ¾ Spark plug gap ¾ Dwell Angle ¾ Engine RPM ¾ Ignition Timing • All conditions were met

• • • • •

• • • • •

65%

1.2 Functionality 35%

2. Use of tools, materials and equipment 10%

• 3. Safety Work Habits

B. Time Management

C. Communication Skills (3-5 minutes)

10%

10%

5%

Quick start Good acceleration Good exhaust smoke Normal engine sound Used appropriate tools and materials at all times

All of the following were prevented due to observance of safety work habits: ¾ evidence of injury ¾ damaged engine parts ¾ damaged test instruments ¾ incident of open fire • Was able to finish the output ten (10) minutes before the allotted time • Able to clearly discuss / explain with confidence all of the following: a. Process b. Function of tools, materials and equipment c. Cost of parts and labor d. Employability e. Business opportunity

Four (4) out of five (5) tests were within the specifications ¾ Valve clearance ¾ Spark plug gap ¾ Dwell Angle ¾ Engine RPM ¾ Ignition Timing Three (3) out of four (4) engine conditions were met Quick start Good acceleration Good exhaust smoke Normal engine sound Observed once using inappropriate tools and materials Three (3) out of the following safety measures were prevented: ¾ ¾ ¾ ¾

85 •

• • • • • • •

Four (3) out of five (5) tests were within the specifications ¾ Valve clearance ¾ Spark plug gap ¾ Dwell Angle ¾ Engine RPM ¾ Ignition Timing Two (2) out of four (4) engine conditions were met Quick start Good acceleration Good exhaust smoke Normal engine sound Observed twice using inappropriate tools and materials Two (2) out of the following safety measures were prevented: ¾ ¾ ¾ ¾

evidence of injury damaged engine parts damaged test instruments incident of open fire

80 •

• • • • • • •

Four (2) out of five (5) tests were within the specifications ¾ Valve clearance ¾ Spark plug gap ¾ Dwell Angle ¾ Engine RPM ¾ Ignition Timing One (1) out of four (4) engine conditions were met Quick start Good acceleration Good exhaust smoke Normal engine sound Observed thrice using inappropriate tools and materials One (1) out of the following safety measures were prevented: ¾ ¾ ¾ ¾

evidence of injury damaged engine parts damaged test instruments incident of open fire

evidence of injury damaged engine parts damaged test instruments incident of open fire

Was able to finish the output seven (7) minutes before the allotted time

Was able to finish the output five (5) minutes before the allotted time

Was able to finish the output within the allotted time

Able to clearly discuss / explain with confidence four (4) of the following: a. Process b. Function of tools, materials and equipment c. Cost of parts and labor d. Employability e. e. Business opportunity

Able to clearly discuss / explain with confidence three (3) of the following: a. Process b. Function of tools, materials and equipment c. Cost of parts and labor d. Employability e. Business opportunity

Able to clearly discuss / explain with confidence two (2) of the following: a. Process b. Function of tools, materials and equipment c. Cost of parts and labor d. Employability e. Business opportunity


STEP CONTEST ASSESSMENT GUIDE IN AUTOMOTIVE TECHNOLOGY ENGINE TUNE-UP (GASOLINE) – 4k Toyota I.

General Guidelines 1. Contestants must be at the contest venue 15 minutes before the contest proper starts. 2. All contestants must have to register to the contest administrator immediately before the briefing. 3. Contestants are required to attend the briefing of the contest adminstrator as scheduled. 4. Contestants must wear their STEP uniform during the contest. 5. Only authorized person is allowed to stay at the venue during the contest proper. 6. Contest supplies, materials, tools and equipment and other things needed in the contest shouldbe made ready in the contest venue 30 minutes before the contest starts. 7. Borrowing of tools and materials from other competitors is not allowed when the contest is in progress. 8. Contest proper shall start upon the signal of the time keeper. 9. A contestant who finished the activity must raise his right hand and must shout the word “FINISHED” in a loud voice in order for the time keeper to notice the finisher for record purposes. The finisher must leave the contest area at once until the judges summons them for the communication skills part. 10. Trainers/coaches of the participating schools will serve as judges (compatriot judging). 11. The decision of the board of judges is final.

I.

Specific Instructions 1. 2. 3. 4.

II.

Trainers/coaches are not allowed in the contest area while the contest is in progress. Contest shall be performed by only one contestant. Contestants are required to bring their own tools, materials and equipment. Time allotment in the contest is one (1) hour.

Tools, Materials and Equipment Tools 1. 2. 3. 4. 5. 6. 7.

III.

Open and box wrench Screw driver set Feeler gauge Spark plug wrench Spark plug gauge Timing light Dwell-Tach tester

Materials 12 volts battery with cable Condenser Contact points Gasoline Rags Distributor assembly

Equipment Toyota engine – 4K

Mechanics of the Contest A. Pre-contest proper ( Non-evaluative) 1. Contest administrator shall inspect the contest tools, materials and equipment. 2. Contest administrator shall remove the contact points and condenser, change the ignition timing, dwell, engine rpm, spark plug gap and valve clearance. B. Contest Proper 1. Contestants shall : a. Install the contact points and condenser. b. Adjust / reset the ignition timing – 8 ° BTDC c. Adjust / reset the dwell - 50°- 54° d. Adjust / reset engine rpm - 600-700 rpm e. Adjust valve clearance - In. = .005 in. (0.13 mm) , Ex. 0.009 in. (0.23 mm) f. Regap spak plugs - 0.031 in.

IV.

Criteria For Evaluation See attached Performance Scoring Rubrics for Engine Tune-Up ( Gasoline)


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