1.0 - Maintenance Sub Topic 1

7/28/2019 1.0 - Maintenance Sub Topic 1

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MAINTENANCE

General Objectives :

Understand the maintenance system

Specific Objectives :

After learned this unit, you should be able to :-

a. Describe the definition & objective of

maintenance

b. Describe the preventive & reduce failure

c. Explain the minimum cost of maintenance

d. Explain the life period of a machine

UNIT 1.1

UNIT 1.2

UNIT 1.3

UNIT 1.4

UNIT 1.5

MAIN MENU

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HOME

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UNIT 1.1

UNIT 1.1.1

UNIT 1.1.3

UNIT 1.1.2

ASSIGNMENT

QUESTIONS

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DEFINITION AND OBJECTIVE OF MAINTENANCE

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UNIT 1.1

DEFINITION

OBJECTIVES

EXERCISE

MAIN

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Primary Goals

1. Maintaining existing equipment The timely &appropriate response to equipment failure, reductionof equipment downtime & increase in equipmentavailability.

2. Equipment inspection, cleaning & lubrication comprehensive progamme for for operators to performroutine task.

3. Equipment modification, alteration & installation. Canbe schedule during non peak period.

Secondary Goals

1. Plant protection & safety.2. Salvage of obsolete equipment and waste disposal.3. Pollution & noise control.

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UNIT 1.1

DEFINITION

OBJECTIVES

EXERCISE

MAIN

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OBJECTIVES

1. Update equipment system or machine.

2. Reduce the risk of failure for equipment.3. Enhance the quality and maximize the equipmentvalue.

4. Increase the level of strength and toughness of theequipment.

5. Easier to identify the damage & the reason contributeto the problem.

6. Can produce and estimate the minimum cost of theequipment.

7. Can expect the machines life period.

MAINTENANCE

UNIT 1.1

DEFINITION

OBJECTIVES

EXERCISE

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Exercise

Discuss with you friend, what are the example of

maintenance activity.

(20 minutes)

MAINTENANCE

UNIT 1.1

DEFINITION

OBJECTIVES

EXERCISE

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PREVENT AND REDUCE DAMAGE

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UNIT 1.1.1

PREVENT

MAIN

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PREVENT AND REDUCE DAMAGE

1. Electric & electronic system unpredictable lifetime.

Sometimes the equipment might having a failure

before its time.2. Periodical Maintenance is required to make sure the

instruments are not easy damaged, working safely &

outlast.

3. Periodical maintenance usually implement by doing

examination in daily, weekly, monthly or annually by

using suitable criteria.4. This can help to detect possibility that will happen to

equipment or system by doing analysis to the

examination result.

MAINTENANCE

UNIT 1.1.1

PREVENT

MAIN

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MINIMIZE MAINTENANCE COST

MAINTENANCE

UNIT 1.1.2

MINIMIZE

MAINTENANCE COST

MAIN

EXAMPLE

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1. Maintenance should be planned properly.

2. Made before a system or equipment is produce or

operate.

MAINTENANCE

UNIT 1.1.2

MINIMIZE

MAINTENANCE COST

MAIN

EXAMPLE

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Maintenance PlanningIs the place where all the maintenance processarrangement were made. And also, in this period allinformation is produce & future plan is prepared.

Without Maintenance PlanningNo maintenance plan determination to an equipmentmaintenance.

Preventive MaintenanceThe purpose of this maintenance is to determine thecondition of an equipment by referring the observation

data @ by using a criteria that has been prepared in orderto reduce failure in the system that is plan to be made.

Repair MaintenanceMaintenance that is made after a failure happened to theequipment that is maintain & also to keep the item wherethe maintenance can made the equipment operateaccording to the function that is needed

MAINTENANCE

UNIT 1.1.2

MINIMIZE

MAINTENANCE COST

MAIN

EXAMPLE

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Emergency MaintenanceThis maintenance is needed to repair a machineimmediately to avoid serious effect to the machine.Normally this maintenance need a long period ofmaintenance; more than one day. This failure are affectedby the environment effect.

Term & RegulationMaintenance that are more to preventive action where itsstart with the discussion result. This is followed by theterm & regulation which all the result item should be doneroutinely @ by using a process that connected to the

monitoring system.

Maintenance scheduleComplete schedule system that contain with themaintenance schedule, preventive activity that are coverwith date, time, operation number & etc.

MAINTENANCE

UNIT 1.1.2

MINIMIZE

MAINTENANCE COST

MAIN

EXAMPLE

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MAINTENANCE

MAINTENANCE

PLANNING

RELATIONSHIPCOST AND

TIME

MAINTENANCEPERIOD

UNIT 1.1.2

MINIMIZE

MAINTENANCE COST

MAIN

EXAMPLE

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MAINTENANCE

BACK

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MAINTENANCE

Cost

(RM)

Time

(year)

Diagram 1.1 : Relationship between the minimum cost of plan

maintenance & without plan maintenance

Without Plan

Maintenance

Plannedmaintenance

BACK

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MAINTENANCE

BACK

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To Ensure the Life Period of a Machine

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UNIT 1.1.3

LIFE CYCLE OF

MACHINES

MAIN

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To Ensure the Life Period of a Machine

1. The life period of a machine is unpredictable, dependto the environmental factors.

2. Periodic maintenance (schedule) is required to makesure the machine life time.

3. Its also depend to the machine utilization.

4. Improper maintenance would create impurity stick onthe machine / equipment that will shorten themachine life time.

5. Determine temperature changes, humidity level,chemical environmental factors.

MAINTENANCE

UNIT 1.1.3

LIFE CYCLE OF

MACHINES

MAIN

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WELCOME TO ASSIGNMENT SECTION FOR ET 603 MODULE

MAINTENANCE

ASSIGNMENT 1

ASSIGNMENT 2

MAIN

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In a group, you are required to make a research/

observation to a home appliances equipment. The

research should cover the schematic diagram, 3 types of

failure & the process step to troubleshoot the failure. The

equipment are as below :-

a. Air conditioner.

b. Washing machine.

c. Television.

d. Lamp & ceiling fan.

e. Alarm system & single phase distribution board.

f. 3 phase switch gear & distribution board.

Pass up date - ___________ 12.15 afternoon.

Format - type.

For any imitative work, marks annulment will be

implement.

Grouping ____ person per group

MAINTENANCE

ASSIGNMENT 1

ASSIGNMENT 2

MAIN

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QUESTION

1

QUESTION

2

QUESTION3

QUESTION4

QUESTION5

QUESTION

6

MAINTENANCE

QUESTIONS

ANSWERS

MAIN

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Explain the definition of maintenance.

ANSWER

QUESTION1

MAINTENANCE

QUESTIONS

ANSWERS

MAIN

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Describe the objective of maintenance.

ANSWER

QUESTION2

MAINTENANCE

QUESTIONS

ANSWERS

MAIN

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Refer to the diagram 1.1, explain the graph.

ANSWER

QUESTION3

MAINTENANCE

QUESTIONS

ANSWERS

MAIN

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What is the meaning of prevent to reduce

failure in maintenance.

ANSWER

QUESTION4

MAINTENANCE

QUESTIONS

ANSWERS

MAIN

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Explain briefly how the cost of maintenance

can be reduce.

ANSWER

QUESTION5

MAINTENANCE

QUESTIONS

ANSWERS

MAIN

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What is the factor that reduce the life

period of a machine that are using

electronics component?

ANSWER

QUESTION6

MAINTENANCE

QUESTIONS

ANSWERS

MAIN

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ANSWER

1

ANSWER

2

ANSWER3

ANSWER4

ANSWER5

ANSWER

6

MAINTENANCE

QUESTIONS

ANSWERS

MAIN

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All activities necessary to keep a system andall its components in working order.Maintenance program should be maintainthe capability of the system whilecontrolling the cost.

ANSWER1

MAINTENANCE

QUESTIONS

ANSWERS

MAIN

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a. Update equipment system or machine.b. Reduce the risk of failure for equipment.c. Enhance the quality and maximize the

equipment value.d. Increase the level of strength and

toughness of the equipment.e. Easier to identify the damage & the

reason contribute to the problem.f. Can produce and estimate the minimum

cost of the equipment.g. Can expect the machines life period.

MAINTENANCEANSWER

2

QUESTIONS

ANSWERS

MAIN

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Kos permulaan bagi senggaraan berperancangan

adalah melebihi kadar kos yang diperlukan bagi

senggaran tidak berperancangan. Kos ini akanmeningkat sedikit kerana aktiviti senggaraan

berkala yang dilakukan & akibat peningkatan usia

mesin yang digunakan.

Walaubagaimanapun kos bagi senggaraan tidak

berperancangan menunjukkan kos operasi akanmeningkat dengan banyaknya akibat daripada

terdapat banyak aktiviti sengaaraan yang tidak

terancang yang mana mengakibatkan kehilangan

kos yang lebih seperti kos buruh, masa dan

sebagainya.

MAINTENANCEANSWER

3

QUESTIONS

ANSWERS

MAIN

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Pencegahan bagi mengurangkan kerosakkan

dalam senggaraan Senggaraan ini membawamaksud sesuatu penentuan yang dibuat adalah

mengikut kepada sesuatu pemerhatian atau

menggunakan kriteria yang ada bersuaian

dengan tujuan untuk pengurangkan

kemungkinan berlakunya kegagalan dalamsesuatu sistem yang hendak dibuat.

MAINTENANCEANSWER

4

QUESTIONS

ANSWERS

MAIN

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To minimize the cost of maintenance, each ofthe maintenance equipment process need to

be planned properly and each maintenance

plan should have preventive maintenance,

corrective, schedule of maintenance & term &

regulation of maintenance.

MAINTENANCEANSWER

5

QUESTIONS

ANSWERS

MAIN

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1. Temperature changes, humidity level, chemical environmentalfactors.

2. Its also depend to the machine utilization.

3. Periodic maintenance (schedule) is required to make sure themachine life time. Improper maintenance would createimpurity stick on the machine / equipment that will shortenthe machine life time.

MAINTENANCEANSWER

6

QUESTIONS

ANSWERS

MAIN

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MAINTENANCE

Cost(RM)

Time

(year)

Diagram 1.1 : Relationship between the minimum cost of plan

maintenance & without plan maintenance

Without Plan

Maintenance

Plannedmaintenance

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1.0 - Maintenance Sub Topic 1

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