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TFP161 Page 5 of 6 y 5/8±1/4" (15,9±6,4 mm) FACE OF RECESS MOUNTING SPRINKLER (END "A" USED FOR SURFACE / WRENCH 1/2" NPT MODELS) FITTING -74_ FIGURE 4 CLOSURE W -TYPE 6 SPRINKLER WRENCH ....161.. 2 -7/8" DIA. WRENCH (73,0 mm) SERIES RECESS TY-B I I 2-1/4" DIA. '. (57,2 mm) MOUNTING I AI II PLATE IH ._ PUSH WRENCH _�. 1 / 8 ' INTO ENSURE (3,2 mm) ENGAGEMENT WITH SPRINKLER 1 -1/4" (31,8 mm) _ 3/4" (19,1 mm) WRENCHING AREA 3/4" (19,1 mm) 1/4" (6,4 mm) FIGURE 5 FIGURE 3 W -TYPE 7 RECESSED SERIES TY -8 RECESSED HORIZONTAL SIDEWALL SPRINKLER SPRINKLER WRENCH WITH TWO -PIECE 3/4 INCH TOTAL ADJUSTMENT STYLE 10 RECESSED ESCUTCHEON Care and painted, plated, coated or otherwise corrosion resistant coating, as it may altered after leaving the factory. Modi- be affected by the corrosive conditions fied sprinklers must be replaced. present. Maintenance Sprinklers that have been exposed to corrosive products of combustion, but The owner is responsible for the in- The Series TY -B Sprinklers must be have not operated, should be replaced spection, testing, and maintenance of maintained and serviced in accord- if they cannot be completely cleaned their fire protection system and de- ance with the following instructions: by wiping the sprinkler with a cloth or vices in compliance with this docu- by brushing it with a soft bristle brush. ment, as well as with the applicable NOTES standards of the National Fire Protec- Before closing a fire protection system Care must be exercised to avoid dam tion Association (e.g., NFPA 25), in main control valve for maintenance age to the sprinklers - before, during, addition to the standards of any other work on the fire protection system that and after installation. Sprinklers dam- authorities having jurisdiction. The in- it controls, permission to shut down the aged by dropping, striking, wrench stalling contractor or sprinkler manu- affected fire protection system must be twist/slippage, or the like, must be re- facturer should be contacted relative obtained from the proper authorities placed. Also, replace any sprinkler that to any questions. and all personnel who maybe affected has a cracked bulb or that has lost by this action must be notified. liquid from its bulb. (Ref. Installation It is recommended that automatic Section). sprinkler systems be inspected, The owner must assure that the sprin- tested, and maintained by a qualified klers are not used for hanging of any Frequent visual inspections are rec- Inspection Service in accordance with objects; otherwise, non - operation in ommended to be initially performed for local requirements and /or national the event of a fire or inadvertent opera- corrosion resistant coated sprinklers, codes. tion may result. after the installation has been com- pleted, to verify the integrity of the cor- Absence of an escutcheon, which is rosion resistant coating. Thereafter, used to cover a clearance hole, may annual inspections per NFPA 25 delay the time to sprinkler operation 117 should suffice; however, instead of in- a fire situation. specting from the floor level, a random Sprinklers that are found to be leaking sampling of close -up visual inspec- or exhibiting visible signs of corrosion tions should be made, so as to better must be replaced. determine the exact sprinkler condi- tion and the long term integrity of the Automatic sprinklers must never be be