Preventative maintenance schedule

Normal operation—The computer system is maintained in accordance with the planned preventative maintenance schedule. Typical activities include recalibrating field instrumentation and computer I/O cards in accordance with site calibration procedures, running system diagnostics, checking operator logs for any abnormalities, and planning service visits by the system supplier. 

The keys to understanding how well an RO system is operating operate are to take the proper data, to use the appropriate analytical techniques to interpret these data, and to perform maintenance to keep the RO and pretreatment systems operating as designed. This chapter covers both data that should be collected and how to interpret them, as well as a preventive maintenance schedule to help keep the RO and pretreatment systems performing well. 

Table 11.3 General preventative maintenance schedule (adapted from Anne Arza, Nalco company).

Optimization of Preventive Maintenance Scheduling in Processing Plants... 

Preventive maintenance requests for equipments are generated in accordance with the predetermined preventive maintenance schedule (predetermined PM policy)... 

In addition to the above mentioned merits, it also helped in identifying new variables that were not detected before, such as controlling the power output, initial charge and tungsten boat dimensions used for each evaporation, system geometry and preventive maintenance schedules. 

The manufacturer s specifications, past experience, and history of the equipment will be used to establish the preventive maintenance schedule. Procedures will be developed for issuing work orders, performing the maintenance work, documenting the work in the proper logbooks and hies, frequency of performing preventive maintenance, reviewing the impact of maintenance on validation state, etc. 

Preventive maintenance schedules including, where appropriate, sanitizing schedules. 

C. Preventive/predictive maintenance Cost-effective plants have an equipment criticality ranking scheme and use rehability-centered maintenance (RCM) techniques to determine the equipment that requires preventive maintenance. They use a combination of equipment manufacturers reconunendations, experience, and available PM databases to validate or modify existing PMs and to create new preventive maintenance schedules where necessary then they faithfully execute their PM programs. 

The maintenance of facilities includes preventive maintenance programs that identify required preventive maintenance activities and recommended intervals based on safety, reliability, and economic considerations. Factors such as failure rate, replacement costs, impact on operations and safety, lessons learned, and analysis of incident causes are considered. Computerized programs provide for preventive maintenance schedules to be planned, implemented, and monitored. 

Maintenance procedures and a preventative maintenance schedule have been developed or updated as needed to ensure safe operation of the new/modified process... 

Plant engineers shall carry out condition monitoring of all key equipments. Preventive maintenance schedules shall be drawn and implemented. Sufficient inventory of critical spares shall always be available to avoid development of dangerous situations due to continuous running of equipments without repairs. 

Percy, D.F., Kobbacy K.A.H. Fawzi, B.B. (2004) Settign preventive maintenance schedules when data are sparce. ofProductionEconojjjjgj. 51, 223-234. 

Damaso, V.C. Garcia, P.A.A. 2008. Tests and Preventive Maintenance Scheduling Optimization for Aging Systems Modeled by GRP, 40-th Brazilian Symposium on Operations Research, CD-ROM, Joao.Pessoa, PB, Brazil. Damaso, V.C., Pereira, C.M.N.A. Frutuoso e Melo, PF.F. 2007. Application of Integrated Optimization to the Control Room Air-Conditioning System of the Angra 1 Nuclear Power Plant. 2007 International Nuclear Atlantic Conference, CD-ROM, Santos, SP, Brazil. 

Garcia, P.A.A., Damaso, VC., Sant Ana, M.C. Frotuoso e Melo, PF.F. 2008. Genetic algorithm optimization of preventive maintenance scheduling for repairable systems modeled by GRP, ESREL 2008, CD-ROM, Valencia, Spain. 

Preventive maintenance Most motor carriers follow some sort of preventive maintenance schedule for their vehicles. Preventive maintenance (PM) schedules can be arranged according to mileage, engine hours, or time. The mileage between services will vary widely depending on type of equipment, how rapidly the equipment accumulates miles, and the manufacturer s suggested maintenance schedule for the vehicle and all major components. The FMCSA leaves it up to the carrier to determine their own maintenance schedule based on the above factors. Here is an example of a typical preventive maintenance schedule in use in the industry ... 

Don t forget the trailers Remember to establish a maintenance schedule for the trailers, as well as the trucks. They are subject to the same systematic requirements. Typical preventive maintenance scheduling for a trailer is ... 

A means to indicate the nature and due date of the various inspection and maintenance operations to be performed (the preventive maintenance schedule for the vehicle) and... 

Develop regular and preventive maintenance schedules for all tools and equipment. 

Preventive Maintenance (4) Personnel trained to recognize and perform preventive, periodic, and routine as required. (3) Effective preventive maintenance schedule in place and applicable to all equipment. (2) Preventive maintenance schedule in place and usually followed except for higher priorities. (1) A preventive maintenance schedule in place but not performed as scheduled. (0) Very little attention paid to preventive maintenance needs. 

A strict preventive maintenance schedule for the exchange of the filters/resins and connecting tubing as well as a routine quality control protocol for finished water purity verification is essential to laboratories producing in-house water. 

Is there a preventive maintenance schedule that provides for timely maintenance of the facilities and equipment Is there a written or computerized record of performed maintenance that shows the schedule has been followed Do maintenance request records show a pattern of certain facilities or equipment needing repair or breaking down before maintenance was a major cause ... 

A maintenance department that carries out a regular and preventive maintenance schedule... 

The local fire department must be well acquainted with your facility, its location, and specific hazards. The fire alarm system mnst be certified, as required, and tested at least annually. Interior standpipes must be inspected regularly. Outside private fire hydrants must be flushed at least once a year and on a routine preventive maintenance schedule. All fire doors and shutters must be in good operating condition, unobstructed, and protected against obstructions, including their counterweights. 

Apart from statutory inspections, cranes should be inspected regularly by the user s own staff and preventative maintenance schedules followed. Records should be kept of these checks and of any work done, especially if it is in response to a statutory inspection requirement. 

Make sure that the preventive maintenance schedule is accessible. Easy availability of the schedule will help your maintenance staff plan its work. A well-communicated schedule will help to ensure the maintenance department s accountability for performing the work on time. Select a method of communication that works for your employees [2],... 

There is a preventive maintenance schedule, but it does not cover everything and may be allowed to shde or performance is not documented. Safety devices on machinery and eqnipment are generally checked before each prodnction shift. 

A preventive maintenance schedule is implemented for areas where it is most needed it is followed under normal Hrcumstances. Manufacturers and indnstry recommendations and consensns standards for maintenance freqnency are comphed with. Breakdown repairs for safety related items are expedited. Safety device checks are documented. Ventilation system function is observed periodically. 

If you have outside private fire hydrants, are they flushed at least once a year and on a routine preventive maintenance schedule ... 

Perhaps the most important safety aspect that school districts and school bus companies can provide students is ensuring that the nation s 480,000 school buses that are in regular service nationwide remain in top operating condition. This requires a tried and true preventative maintenance schedule. 

Maintenance procedures, preventive maintenance schedule and personnel training for maintaining the dryer and its operating area in a safe condition. Maintenance should stress ... 

Proper maintenance of the mechanical equipment and distribution system will ensure optimum operation from the cooling tower over a long period of time. Motors must remain properly lubricated, gearbox oil should be maintained at the proper level, and driveshaft alignment should be checked on a regular basis. Uniform distribution of hot water within the tower is essential in order to maintain optimum tower performance. Refer to Table 3.6 for a suggested preventive maintenance schedule for key tower components. 

If proper belt inspection procedures are followed, 90 percent of all maintenance problems can be ehminated. A properly installed belt drive is a remarkably trouble-free piece of equipment. But, to assure continued trouble-free service, quick, periodic inspections of the belt drive should be made a part of the routine preventative maintenance schedule. 

Overdue work should be tracked and brought up-to-date. Preventive maintenance scheduling should make sure that the interval is maintained between preventive actions. For example, if a preventive task for May is done on the thirtieth of the month, the next monthly task should be done during the last week of June. It is foolish to do a preventive maintenance task on May 30th and another June 1st, just to be able to say one was done each month. In the case of preventive maintenance, the important thing is not the score but how the game was played. 

The operating organization should draw up a preventive maintenance schedule for all radiation monitoring systems. The performance of monitoring systems should be tested. Performance testing should always include calibration of the instrument and verification of the calibration facilities. These steps wiU ensure that doses are... 

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