3M 3M & &

Navy Supply SystemNavy Supply System

ObjectivesObjectives

• Objective of the 3-M systemObjective of the 3-M system

• Purposes of the 3-M subsystemsPurposes of the 3-M subsystems– Planned maintenance subsystem (PMS)Planned maintenance subsystem (PMS)– Maintenance data collection system (MDCS)Maintenance data collection system (MDCS)

• Duties of the division officer and work Duties of the division officer and work center supervisor in the conduct of the 3-M center supervisor in the conduct of the 3-M systemsystem

3-M System3-M System• What is the 3- M System?What is the 3- M System?

• Maintenance, Material, ManagementMaintenance, Material, Management

• Purpose:Purpose:– Provides a means of managing maintenance aboard a Provides a means of managing maintenance aboard a

shipship– Provides efficient uniform methods of conducting Provides efficient uniform methods of conducting

and recording preventive and corrective maintenance and recording preventive and corrective maintenance in a way that allows easy access to the collected datain a way that allows easy access to the collected data

3-M Objectives3-M Objectives• Standardization - achieve uniform maintenance Standardization - achieve uniform maintenance

standards and criteriastandards and criteria

• Efficiency - effective use of available manpower and Efficiency - effective use of available manpower and material resources in maintenancematerial resources in maintenance

• Documentation - recording of maintenance to establish Documentation - recording of maintenance to establish material historymaterial history

• Analysis - provision to be used in the improvement of Analysis - provision to be used in the improvement of maintainability and reliability of systems and maintainability and reliability of systems and equipment, and the reduction of cost of material equipment, and the reduction of cost of material ownershipownership

3-M Objectives3-M Objectives• Configuration Status Accounting - a means of Configuration Status Accounting - a means of

reporting and recording changes in what reporting and recording changes in what equipment is installed onboard, equipment equipment is installed onboard, equipment configuration specifications, and shipboard configuration specifications, and shipboard locationlocation

• Scheduling - standardized method for scheduling, Scheduling - standardized method for scheduling, planning, managing, and tracking maintenance planning, managing, and tracking maintenance required and accomplishedrequired and accomplished

3-M Subsystems3-M Subsystems

• Planned Maintenance System (PMS)– Standardized method of planning, scheduling,

and accomplishing preventive maintenance

• Maintenance Data System (MDS)– Allows maintenance personnel to report

applicable maintenance requirements and configuration changes to equipment

PMS TermsPMS Terms• Preventive maintenance

– actions intended to prevent or discover functional failure (ie changing oil / filters, cleaning components)

• Corrective maintenance– actions taken to fix equipment that has failed or

is working below standards

PMS TermsPMS Terms• LOEP - List of Effective Pages

– List of MIP’s for each piece of equipment within a specific work center (division)

• MIP - Maintenance Index Page– Issued for each piece of equipment

– Index of all MRC’s for equipment

• MRC - Maintenance Requirement Card– Detailed procedure for performing maintenance (how,

who, what, when)

Periodicity CodesPeriodicity Codes

• D - dailyD - daily• 2D - every 2nd day2D - every 2nd day• W - weeklyW - weekly• M - monthlyM - monthly• 2M - Every 2nd month2M - Every 2nd month• Q - quarterlyQ - quarterly• S - semiannuallyS - semiannually• A - annuallyA - annually

• R - situationalR - situational• U - unscheduled U - unscheduled

maintenancemaintenance• LU - lay-upLU - lay-up• PM - periodic maint.PM - periodic maint.• SU - start upSU - start up• OT - operational testOT - operational test

Cycle PMS ScheduleCycle PMS Schedule

• Planned maintenance between major Planned maintenance between major overhaulsoverhauls

• Supervised by the department headSupervised by the department head

• Prepared by using LOEP and MIP’sPrepared by using LOEP and MIP’s

• Used to prepare the quarterly scheduleUsed to prepare the quarterly schedule

Quarterly ScheduleQuarterly Schedule

• Visual display of Work Center PMS Visual display of Work Center PMS

• Covers 13 weeksCovers 13 weeks

• Department Head supervisesDepartment Head supervises

• Used to prepare weekly PMS scheduleUsed to prepare weekly PMS schedule

Weekly ScheduleWeekly Schedule

• Visual display of Work Center PMSVisual display of Work Center PMS

• Covers 7 daysCovers 7 days

• Permits scheduling PMS dailyPermits scheduling PMS daily

• Division Officer supervisesDivision Officer supervises

• WCS assigns tasks and updates as WCS assigns tasks and updates as maintenance is performedmaintenance is performed

Benefits of PMSBenefits of PMS

• Increased equipment reliabilityIncreased equipment reliability

• Improved planning and managementImproved planning and management

• Simplified recordsSimplified records

• Excellent training aidExcellent training aid

• Continuity and standardization of Continuity and standardization of maintenancemaintenance

• Increased safetyIncreased safety

Problems of PMSProblems of PMS

• Not self-starting nor self-sustainingNot self-starting nor self-sustaining

• Will not automatically and effortlessly Will not automatically and effortlessly produce good resultsproduce good results

• Personnel shortage and turnoverPersonnel shortage and turnover

• Training in maintenance requiredTraining in maintenance required

• Occasional errors must be expected (though Occasional errors must be expected (though not necessarily accepted)not necessarily accepted)

Maintenance Data Maintenance Data Collection SystemCollection System

• PurposePurpose– Allows maintenance personnel to report Allows maintenance personnel to report

applicable maintenance requirements and applicable maintenance requirements and configuration changes to equipmentconfiguration changes to equipment

• Interaction with supply systemInteraction with supply system– Equipment request formsEquipment request forms

Maintenance Action Maintenance Action FormsForms

• 2K - ships hand generated form2K - ships hand generated form

• 2Q - ships computer generated form2Q - ships computer generated form

• 2R - Maintenance Facility computer 2R - Maintenance Facility computer generated formgenerated form

Tracking Corrective Tracking Corrective MaintenanceMaintenance

• CSMP - Current Ship’s Management CSMP - Current Ship’s Management Project Project – Consolidated listing of corrective maintenance Consolidated listing of corrective maintenance

to be completedto be completed

• SFWL - Ship’s Force Work ListSFWL - Ship’s Force Work List– Listing of work center corrective maintenance Listing of work center corrective maintenance

to be completedto be completed

Supply InterfaceSupply Interface

• 1240 - hand written supply request1240 - hand written supply request– old methodold method– generally internal usegenerally internal use

• 1348 - computer generated supply request1348 - computer generated supply request– internal or external useinternal or external use

Feedback FormsFeedback Forms

• Report discrepancies and problemsReport discrepancies and problems

• Request PMS coverageRequest PMS coverage

• Request PMS materialsRequest PMS materials

Discussion/EmphasisDiscussion/Emphasis

• Overall importance of preventive maintenanceOverall importance of preventive maintenance• Necessity of corrective action for maintenance Necessity of corrective action for maintenance

deficienciesdeficiencies• Impact of 3-M on combat readinessImpact of 3-M on combat readiness• Responsibility for 3-MResponsibility for 3-M

– DivisionDivision– Work center supervisorWork center supervisor

Questions?Questions?