1. 3M & Navy Supply System
Emphasize that particular aspects of the 3-M system may vary between communities, coasts, commands, etc.

3. Objectives Objective of the 3-M system Purposes of the 3-M subsystems
Planned maintenance subsystem (PMS)
Maintenance data collection system (MDCS)
Duties of the division officer and work center supervisor in the conduct of the 3-M system
The student will know the objective of the 3-M system.
The student will know the purposes of the 3-M subsystems
. Planned maintenance subsystem (PMS)
2. Maintenance data collection system (MDCS)
The student will know the duties of the division officer and work center supervisor in the conduct of the 3-M system.

4. 3-M System What is the 3- M System? Maintenance, Material, Management
Purpose:
Provides a means of managing maintenance aboard a ship
Provides efficient uniform methods of conducting and recording preventive and corrective maintenance in a way that allows easy access to the collected data
- Maintenance and Material Management System
- : To provide for managing maintenance and maintenance support in a manner which will ensure maximum equipment operational readiness

5. 3-M Objectives
Standardization - achieve uniform maintenance standards and criteria
Efficiency - effective use of available manpower and material resources in maintenance
Documentation - recording of maintenance to establish material history
Analysis - provision to be used in the improvement of maintainability and reliability of systems and equipment, and the reduction of cost of material ownership

6. 3-M Objectives
Configuration Status Accounting - a means of reporting and recording changes in what equipment is installed onboard, equipment configuration specifications, and shipboard location
Scheduling - standardized method for scheduling, planning, managing, and tracking maintenance required and accomplished

7. 3-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

8. PMS Terms Preventive maintenance Corrective 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
a. Definition
b. Purpose
. Component parts: Discuss the principal planning and scheduling documents as well as working guidelines for conducting actual maintenance.
d Associated terms
(1) Corrective maintenance
(2) Planned/Preventive maintenance
(3) Work center
(4) Work center supervisor

9. PMS Terms LOEP - List of Effective Pages MIP - Maintenance Index Page
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)
a. Definition
b. Purpose
. Component parts: Discuss the principal planning and scheduling documents as well as working guidelines for conducting actual maintenance.
d Associated terms
(1) Corrective maintenance
(2) Planned/Preventive maintenance
(3) Work center
(4) Work center supervisor

10. Periodicity Codes D - daily 2D - every 2nd day W - weekly M - monthly
2M - Every 2nd month
Q - quarterly
S - semiannually
A - annually
R - situational
U - unscheduled maintenance
LU - lay-up
PM - periodic maint.
SU - start up
OT - operational test

11. Cycle PMS Schedule Planned maintenance between major overhauls
Supervised by the department head
Prepared by using LOEP and MIP’s
Used to prepare the quarterly schedule

12. Quarterly Schedule Visual display of Work Center PMS Covers 13 weeks
Department Head supervises
Used to prepare weekly PMS schedule

13. Weekly Schedule Visual display of Work Center PMS Covers 7 days
Permits scheduling PMS daily
Division Officer supervises
WCS assigns tasks and updates as maintenance is performed

14. Benefits of PMS Increased equipment reliability
Improved planning and management
Simplified records
Excellent training aid
Continuity and standardization of maintenance
Increased safety

15. Problems of PMS Not self-starting nor self-sustaining
Will not automatically and effortlessly produce good results
Personnel shortage and turnover
Training in maintenance required
Occasional errors must be expected (though not necessarily accepted)

16. Maintenance Data Collection System
Purpose
Allows maintenance personnel to report applicable maintenance requirements and configuration changes to equipment
Interaction with supply system
Equipment request forms
a. Definition
b. Purpose
c. Interaction with supply system
d. Component parts: Discuss main documents associated with reporting and maintenance history.

17. Maintenance Action Forms
2K - ships hand generated form
2Q - ships computer generated form
2R - Maintenance Facility computer generated form

18. Tracking Corrective Maintenance
CSMP - Current Ship’s Management Project
Consolidated listing of corrective maintenance to be completed
SFWL - Ship’s Force Work List
Listing of work center corrective maintenance to be completed

19. Supply Interface 1240 - hand written supply request
old method
generally internal use
computer generated supply request
internal or external use

20. Feedback Forms Report discrepancies and problems Request PMS coverage
Request PMS materials
Sent to NAVSEACEN or TYCOM depending on category.

21. Discussion/Emphasis Overall importance of preventive maintenance
Necessity of corrective action for maintenance deficiencies
Impact of 3-M on combat readiness
Responsibility for 3-M
Division
Work center supervisor

22. Questions?