Carrying out scheduled maintenance on marine mechanical equipment

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This standard identifies the competences you need to assist in conducting scheduled maintenance activities on marine mechanical equipment, in accordance with approved procedures. This will involve carrying out routine checks and adjustments, in line with marine maintenance procedures, on a variety of marine mechanical equipment, such as gearboxes, stabilisers, pumps, propeller shafts (including controllable pitch propeller (CPP) systems), steering and rudder arrangements, aircraft lifts, ballast arrangements, engines, weapons equipment, sewage treatment, reverse osmosis and low pressure steam plant, pantry and galley equipment and other specific marine mechanical equipment, in order to minimise downtime and ensure that the equipment performs at optimum levels and functions to specification.

Your responsibilities will require you to comply with organisational policy and procedures for the scheduled maintenance activities undertaken and to report any problems with these activities, or with the tools and equipment used, that you cannot personally resolve or are outside your permitted authority, to the relevant people. You must ensure that all tools, equipment and materials used in the maintenance activities are removed from the work area on completion of the activities and that all necessary job/task documentation is completed accurately and legibly. You will be expected to work with either a high level of supervision or as a member of a team. You will take personal responsibility for your own actions and for the quality and accuracy of the work that you carry out. When working in a team, you must demonstrate a significant personal contribution to the team activities in order to satisfy the requirements of the standard and competence in all the areas required by the standard must be demonstrated.

Your underpinning knowledge will be sufficient to provide a sound basis for your work and will provide an informed approach to applying scheduled maintenance procedures to marine mechanical equipment. You will have an understanding of the process of implementing scheduled maintenance tasks, the importance of carrying them out at specific times and of recording their outcomes and actions taken. In addition, you will be expected to report where the outcome of the scheduled maintenance identifies a requirement for further investigation or maintenance work.

You will understand the safety precautions required when carrying out the marine maintenance activities, especially those for isolating the equipment. You will also understand your responsibilities for safety and the importance of taking the necessary safeguards to protect yourself and others in the workplace, both ashore and afloat.

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1. work safely at all times, complying with health and safety and other relevant regulations, directives and guidelines
2. follow the relevant maintenance schedules to carry out the required work
3. carry out the maintenance activities within the limits of your personal authority
4. carry out the maintenance activities in the specified sequence and in an agreed time scale
5. report any instances where the maintenance activities cannot be fully met or where there are identified defects outside the planned schedule
6. complete relevant maintenance records accurately and pass them on to the appropriate person
7. dispose of waste materials in accordance with safe working practices and approved procedures

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1. the health and safety requirements of the area in which the marine scheduled maintenance activity is to take place and the responsibility these requirements place on you
2. the isolation and lock-off procedures, or permit-to-work procedure that applies to the equipment being maintained
3. the specific health and safety precautions to be applied during the marine scheduled maintenance procedures and their effects on others
4. hazards associated with carrying out scheduled maintenance activities on marine mechanical equipment (such as moving machinery, handling oils, greases, stored pressure/force, misuse of tools, using damaged or badly maintained tools and equipment, not following laid-down maintenance procedures) and how to minimise them
5. how to recognise and deal with emergencies and the procedures to be followed (such as methods of safely evacuating and closing down compartments in the case of fire or other major incident)
6. the importance of wearing protective clothing and other appropriate safety equipment (PPE) during the maintenance process
7. how to obtain and interpret information from job instructions, drawings, specifications, manufacturers' manuals and other documents needed in the maintenance process
8. the basic principles of how the equipment functions, its operating sequence, the working purpose of individual units/components and how they interact
9. the equipment operating and control procedures to be applied during the maintenance activity
10. the various checks to be carried out during the scheduled maintenance procedure
11. the procedure for obtaining the consumables to be used during the scheduled maintenance
12. methods of checking that components are fit for purpose, how to identify defects and wear characteristics, and the need to replace `lifed' items (such as seals, gaskets, belts)
13. how to make appropriate sensory checks (such as sight, sound, smell, touch)
14. the uses of measuring equipment, such as micrometers, verniers and other measuring devices
15. how to make adjustments to components/assemblies to ensure that they function correctly (such as setting working clearance, setting travel, setting and adjusting chains and belts)
16. how to check that tools and equipment are free from damage or defects, are in a safe, tested and usable condition and are configured correctly for the intended purpose
17. why tool/equipment control is critical and what to do if a tool or piece of equipment is unaccounted for on completion of the activities 
18. the importance of maintenance documentation and/or reports following the maintenance activity and how to complete them
19. the problems that can occur when carrying out scheduled routine maintenance and what to do if they occur
20. the organisational procedure(s) to be adopted for the safe disposal of waste of all types of materials
21. the extent of your own authority and whom you should report to if you have a problem that you cannot resolve

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1. Carry out all of the following during the scheduled maintenance activity:

   1. undertake the maintenance activities, in conjunction with others involved, to cause minimal disruption to normal working
   2. use the correct issue of drawings, job instructions and procedures
   3. adhere to risk assessment, COSHH and other relevant safety standards
   4. check that the equipment is safely isolated (such as mechanical, electricity, gas, air or fluids)
   5. maintain safe access and working arrangements for the maintenance area
   6. in conjunction with others, conduct maintenance activities, using appropriate techniques and procedures
   7. help to re-connect and return the system to service, on completion of the activities
   8. leave the work area in a safe condition and to the prescribed category of cleanliness

2. Carry out scheduled maintenance activities on three of the following types of marine mechanical equipment:

   1. propulsion gear box (single reduction, double reduction, V' orZ' drive)
   2. pump jet propulsion unit
   3. stabiliser (fixed or retracting)
   4. pump (salt water, fresh water, fuel oil or lubricating)
   5. propeller shaft (fixed blade or Controllable Pitch Propeller (CPP) systems)
   6. steering gear and rudder arrangements (hydraulic or mechanical)
   7. thrusters (bow or stern)
   8. clutch and coupling (gas turbine, steam turbine, diesel or steam reciprocating engine)
   9. processing plant (sewage treatment, reverse osmosis, distillation or garbage compactor)
   10. liquid ballast arrangements (pump or isolating valve)
   11. engine (propulsion or power generation)
   12. compressor (high pressure or low pressure)

   13. pantry and galley equipment (boiling copper, oven, dish washer or garbage disposal unit)

   14. low pressure steam plant (auxiliary boiler, calorifier, fuel or oil heater)

   15. weapons equipment (gun mounting, missile mounting or weapon loading system)
   16. lifting and handling equipment (replenishment rig, aircraft lift, cargo hatch. windless or capstan)
   17. other specific marine equipment

3. Carry out twelve of the following scheduled maintenance procedures:

   1. removing excessive dirt and grime         
   2. making sensory checks (sight, sound, smell, touch)
   3. checking pipes, unions and joints for leaks
   4. checking components for serviceability
   5. replenishing oils and greases                  
   6. making adjustments to components and connections
   7. checking that fastenings are secure and to the required torque
   8. replacing `lifed' consumables (such as fluids, gaskets, seals, hoses)
   9. monitoring the condition/deterioration of components (such as bearings, chains, belts, gears, cams, couplings)
   10. checking that any safety equipment or controls are operating correctly
   11. checking the operation of instrumentation (such as gauges, sensors, indicators)
   12. reviewing and checking equipment operation and performance
   13. recording the results of the scheduled maintenance activity
   14. reporting any defects that require immediate attention (such as excessive wear in components)

4. Carry out planned maintenance activities on marine mechanical equipment, in accordance with one of the following standards:

   1. BS, EN or ISO standards and procedures
   2. customer (contractual) standards and requirements
   3. company standards and procedures
   4. specific equipment requirements/manufacturer's data
   5. recognised compliance agency/body's standards
   6. other accepted international standards

5. Complete the relevant paperwork, to include one of the following, and pass it to the appropriate people:

   1. job cards
   2. permit to work/formal risk assessment
   3. maintenance log or report
   4. other specific recording method

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You will be able to apply the appropriate behaviours required in the workplace to meet the job profile and overall company objectives, such as:

• strong work ethic
• positive attitude
• team player
• dependability
• responsibility
• honesty
• integrity
• motivation
• commitment

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2

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01 Feb 2021

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Current

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Original

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Semta

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SEMME2033

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Engineering, Engineering and Manufacturing Technologies

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5235

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Engineering; marine; mechanical; equipment; scheduled maintenance; gearbox; stabilisers; pumps; propeller shaft

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