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PAKISTAN ORDINANCE FACTORIES (POF)

Group membersNuman khan (class no 07)Irfanullah (class no 11)Shafi uddin(class no 21)Asif khan(class no 26)

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BRIEF DESCRIPTION

Type : Defense Founded : Wah, Pakistan (1951)Headquarters: Wah Cantt, Pakistan.Industry: Arms and Ammunitions

Manufacturer Employees : 25,000 

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INTRODUCTION

Pakistan Ordinance Factories are the premier defense industries in Pakistan producing a wide range of conventional defensive ammunitions to international standards.

Recognized for quality, reliability and competitive POF products are internationally accepted.

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INTRODUCTION

The nucleus of POF has grown in to a large modern engineering and chemical group of factories, producing large range of munitions systems of ground, air and naval forces in additions to meeting the domestic demands of the defense forces

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INTRODUCTION

POF products are in service with over 30 countries, conforming to the highest international standards of quality and reliability.

An international name in quality and reliability, all manufacturing units of POF are ISO-9001 & ISO-14001 certifies. Its metallurgical testing labs and ballistic proof ranges have the word’s class recognition of ISO-17025.

 

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MAINTENANCE OF MACHINESIn the field of maintenance the traditional

approach has been to rely upon the knowledge and skill of the craft-persons who conduct it. There is a great deal of pride of workmanship and, in all too many organizations, a great deal of psychic income in addition to significant overtime pay for successful emergency repairs to return equipment to operation after unplanned shutdown.

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Machine BreakdownsMain reasons of machine breakdowns are

as follows:Lack of or Improper Maintenance

(Cleaning & lubrication oil checks)Age of Equipment - Exhausted Useful Life

of MachineryImproper Use of EquipmentLack of Control or Safety Devices

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Machine BreakdownsFailure of Safety Devices to Function

ProperlyPoor Workmanship/Inferior Materials

(e.g.; Cast iron)Operator ErrorPoor Operating EnvironmentExternal Forces

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Procedures Of MaintenanceTwo main procedures of maintenance

used in POFs are as follow:Preventive MaintenanceCorrective Maintenance

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Procedures Of MaintenanceMaintenance

Preventive Maintenance

Schedule A

(After every 3 months)

Schedule B

(Annually)

Schedule C

(Reconditioning)

Corrective Maintenance

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Preventive MaintenanceSCHEDULE A

Check for connections of motors, stators and loose connections.

Electrical wiring setting.Checking of motors foundation bolts.Safety checks on electrical systems,

alarms and sensors.

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Preventive MaintenanceChecking the motors belts and

pulleys.Checking of pneumatic and

hydraulic system.Checking of lubrication oil and

coolant oil.Checking of gear box and no sound

conditions.

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Preventive MaintenanceSCHEDULE B

Replacement of filters and checking of lubrication oil.

Complete checking and cleaning of coolant system.Setting of transmission box, clutches and pulleys’

alignment.Checking of the safety devices.Complete checking of machines’ elements e.g.

beds, slides and turrets.In working conditions there should be no sound in

parts of machine.

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Preventive MaintenanceSCHEDULE B

Removing any leakage in pneumatic, oil or hydraulic systems.

Complete cleaning after work.Checking machine bolts and removing any

loose bolt.Checking electrical connections.Safety of motors, stators and other parts of

machines.Alignment of motor shafts, pulleys and slides

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Preventive MaintenanceSCHEDULE C

In schedule C the reconditioning or overhauling of machines is done, when it is required.

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Corrective Maintenance

This maintenance is done when required. The daily breakdowns are included in this type of maintenance.

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