Cylindrical Rubber Fender is installed as protective equipment to ensure the safe and smooth berthing of ships, and reduce or avoid damage to ships and water structures in waters and mooring facilities. To use these facilities as high-quality infrastructure for everyday use, they must be properly maintained, mainly for their ancillary facilities.
Due to constant exposure to harsh conditions, rubber fenders should be planned, properly maintained and managed to maintain their designed lifespan. To protect assets including personnel, the optimum performance of marine fenders should be enhanced by avoiding damage and accidental degradation and aging rates.
Maintenance and management should include systems to effectively detect deterioration of rubber fender damage, facilitate technical assessment and provide appropriate countermeasures. Basically, it must contain a comprehensive matrix of the scope, timing, frequency and methods of inspections, diagnostics and corresponding corrective actions.
Assuming shock is the main aggravating factor for rubber fenders, it is important to understand the behavior of each type of fender and classify them according to how they absorb energy from a berthing vessel.
V-arch rubber fender. The fender body itself is a resistance mechanism, which absorbs the berthing energy of the ship through the buckling deformation of the body. Therefore, direct attention to the signs of deterioration of the rubber body due to external forces.
    1. Careful inspection should also be carried out after any accident that may damage the fenders or supporting structure. Always record events, causes and consequences immediately.
    2. Temporary maintenance includes but is not limited to repairing any cuts and surface damage to the rubber. Paint spills should be removed with a water jet.
    3. Pay close attention to the edges where the rope may fray, and around the chainstays.
    4. Interim maintenance will include replacement of worn UHMW-PE pads, especially all pads with insufficient remaining wear margin to last until the next scheduled maintenance.
    5. Any missing locknuts, lock tabs or cotter pins should be replaced at the same time. The correct preload should be applied to the fixings.
    6. If the Rubber Fender Manufacturers may reduce the diameter below the minimum allowable value before the next scheduled maintenance, the component must be replaced.