Title: TFP151_11_2014.pdf
Care and Maintenance TYCO Series TY-B, 2.8, 5.6, and 8.0 K-factor, Upright and Pendent Sprin- klers must be maintained and serviced in accordance with this section.Before closing a fire protection system main control valve for maintenance work on the fire protection system that it controls, obtain permission to shut down the affected fire protection system from the proper authorities and notify all personnel who may be affected by this action.The owner must assure that the sprinklers are not used for hanging any objects and that the sprinklers are only cleaned by means of gently dust- ing with a feather duster; otherwise, non-operation in the event of a fire or inadvertent operation may result.Absence of an escutcheon, which is used to cover a clearance, may delay the time to sprinkler operation in a fire situation.Sprinklers which are found to be leaking or exhibiting visible signs of corrosion must be replaced.