IntroductionThis manual is designed as a guide to service personnel in theperformance of operation, after use, inspection, maintenance, serviceand recharge of Kidde dry chemical hand portable fire extinguishers.These instructions are written and intended to be used by thosepersonnel already familiar with standard industry fire extinguisher safetyprocedures and practices. All fire extinguishers should be installed,inspected and maintained in accordance with the National Fire ProtectionAssociation Standard titled “Portable Fire Extinguishers” (NFPA-10) andall the requirements of the local authority having jurisdiction.The instructions appearing in the National Fire Protection Associationstandard for portable fire extinguishers (NFPA-10), the Code of FederalRegulations, and in the Compressed Gas Association (CGA) pamphlets arenot generally repeated in this manual, except where they may emphasizeor clarify a point. Hydrostatic testing of fire extinguisher cylinders forexample is amply covered in NFPA-10 and CFR-49 part 180.209, whichreference procedures in CGA pamphlets C-1, C-2 and C-6.NFPA Government Printing Office Compressed Gas Association1 Batterymarch Park P.O. Box 371954 1235 Jefferson Davis HWYQuincy, MA 02269 Pittsburgh, PA 15250-7954 Arlington, VA 22202(617) 770-3000 (202) 512-1802 (703) 412-0900www.nfpa.org www.bookstore.gpo.gov www.cganet.comGeneral InformationThese Kidde extinguisher models are stored pressure hardware designs,which utilize steel and Aluminum agent cylinders. These models arecharged with various types of Kidde dry chemical agents that includeRegular (Sodium Bicarbonate), Purple-K (Potassium Bicarbonate) andMultipurpose (Mono-Ammonium Phosphate). The extinguishers shouldonly be pressurized with nitrogen.Never attempt to recharge a Kidde dry chemical fire extinguisher withany other dry chemical agent other than that specified on the originalnameplate.DescriptionsThe Kidde dry chemical extinguishers are “stored pressure” hardwaredesigns that contain both the agent and expellant charge within thesame cylinder. The extinguishers are engineered to effectively dischargethe contents of the dry chemical charge.These extinguishers consist of the following basic parts:1. Agent cylinder - contains the dry chemical agent and expellantcharge.3