Owners Manual Class K B260 B262
Contents
1. OWNER S SERVICE MANUAL NO 13259 INSPECTION MAINTENANCE AND RECHARGE All fire extinguishers should be installed inspected and maintained in accordance with the National Fire Protection Association standard titled Portable Fire Extinguishers NFPA 10 and the requirements of local authorities having jurisdiction When maintenance is indicated it should be performed by trained persons having proper equipment Fire extinguishers are pressure vessels and must be treated with respect and handled with care They are mechanical devices and require periodic maintenance to be sure that they are ready to operate properly and safely Amerex strongly recommends that the maintenance of portable fire extinguishers be done by a trained professional your local authorized Amerex Distributor Amerex Corporation makes original factory parts available to insure proper maintenance use of substitute parts releases Amerex of its warranty obligations Amerex parts have machined surfaces and threads that are manufactured to exacting tolerances O rings hoses nozzles horns and all metal parts meet precise specifications and are subjected to multiple in house inspections and tests for acceptability There are substitute parts available that are incorrectly labeled as UL component parts some are advertised as Amerex type None of these meet UL requirements and all of them void the Amerex extinguisher warranty and UL listing DO NOT SUBSTITUTE R2. NOTE When cleaning avoid use of solvents around the pressure gauge They could seriously damage the plastic gauge face 2 Inspect the extinguisher for damaged missing or substitute parts Only factory replacement parts are approved for use on Amerex fire extinguishers 3 Weigh extinguisher and compare with weight printed on the Maintenance section of the nameplate label Recharge extinguisher if weight is not within the indicated allowable tolerances 4 Check the date of manufacture on the extinguisher cylinder hanger loop or on the extinguisher nameplate Cylinder must be hydrostatically tested every 5 years to the test pressure indicated on the label REPLACE EXTINGUISHING AGENT WITH NEW AMEREX CHARGE AT TIME OF HYDROTEST 5 Visually inspect the pressure gauge a If bent damaged or improper gauge depressurize and replace b If pressure is low check for leaks c If over pressurized overcharged invert the extinguisher and reduce to 50 psi 345 kPa by depressing the valve lever Repressurize to 100 psi 690 kPa Check for leaks CAUTION Be prepared for some discharge of liquid 6 Inspect the footstand base If cracked or broken replace with proper footstand 7 Check ring pin for freedom of movement by breaking the seal and removing the pin Replace the ring pin if bent or if removal is difficult 8 Inspect discharge lever for dirt or corrosion that might impair freedom of movement Inspect carrying handle for proper insta
3. EC HARG E ARE EXTING UISHERS IMMEDIATELY AFTER ANY USE REFERENCES IN THIS MANUAL AVAILABLE FROM NFPA 10 Portable Fire Extinguishers National Fire Protection Association P O Box 9101 Quincy MA 02269 9101 CGA C 1 Methods for Hydrostatic Testing Compressed Gas Association of Compressed Gas Cylinders 1235 Jefferson Davis Hwy Suite 501 CGA C 6 Standard for Visual Inspection Arlington VA 22202 of Compressed Gas Cylinders AMEREX CORPORATION P O BOX 81 TRUSSVILLE ALABAMA 35173 0081 Phone 205 655 3271 Fax 800 654 5980 e mail sales amerex fire com Web Page http www amerex fire com Printed in U S A 0M13259K Rev 02 10 N u fh cr 7 W D wW cz oF a x min LLI O o n Ww TT O 0 Lu y uw O _ gE lt N Y LLI LL lt LLI L O x lt lt am lt H Y LLI am am O LL Model 262 2 1 2 Gallon Model 260 6 Liter AMEREX CORPORATION DOES NOT SERVICE MAINTAIN OR RECHARGE HARE EXTINGUISHERS THE MAINTENANCE AND REC HARGE PORTION OF THIS MANUAL IS PUBLISHED AS A GUIDE TO ASSIST SERVICE PERSONNEL IN THE INSPECTION MAINTENANCE AND REC HARGE OF AMEREX HARE EXTINGUISHERS ONLY NO INSTRUCTION MANUAL CAN ANTICIPATE ALL POSSIBLE MALFUNCTIONS THAT MAY BE ENCOUNTERED IN THE SERVICE OF ARE EXTINGUISHERS AMEREX ASSUMES NO LIABILITY FOR SERVICE MAINTENANCE OR REC HARGE OF HARE EXTINGUISHERS BY PUBLISHING THIS MANUAL INSPECTING THE EXTINGUISHER This extinguisher sh
4. Tube 6 o o0 colarormg gt 0 irs vaesema Jo Downtube Retainer Assembly 6L 16267 Downtube Retainer Assembly 21 2 Gal 1 co Ss A O ring Downtube Retainer x Strap amp Clip Asy Black Plastic 3 8 P wee pe 06247 Visilox Lubricant 5 oz Tube 1 14669 Caution Placard English Spanish ao _ _ oe 15874 Caution Placard English French i oe NOTE All Valve Assemblies include new Valve Body Pressure Gauge Wing Nut Lever amp Handle PARTS NOT PICTURED
5. ition and slowly squeeze the discharge handle Some liquid remaining in the downtube will be discharged so care should be taken in the area used for depressurization Thoroughly clean all valve parts after depressurization and valve removal PROBLEM CORRECTIVE ACTION i Remove valve assembly clean collar knurled nut thoroughly 1 Leak at collar o ring and install new o ring Lubricate the o ring with Visilox V 711 Install new valve stem assembly Check valve seat for 2 Leak through valve l scratches or foreign matter 3 Leak around gauge Remove gauge and reinstall using Teflon tape on the gauge threads threads Remove defective gauge and install a new P N 06479 gauge i gaug using Teflon tape on the gauge threads Check downtube strainer and discharge nozzle for dirt Restricted or intermittent Cl agent discharge stream sediment or impediments Clean or replace parts as necessary l Contact Amerex if under warranty otherwise mark Rejected Leak in the cylinder and return to owner Install new footstand P N 03109 using Dow Corning RTV TOGN potsia 732 silicon rubber adhesive P N 04488 PARTS LIST For 6 Liter amp 2 1 2 Gal WET CHEMICAL Stored Pressure Stainless Steel Extinguishers Brass Valve le e a Models B260 amp B262 NO NO DESCRIPTION PKG 2 14320 Hanger Loop w Screw optona 6 16101 2 V2 Hose Assembly 1 Chain Nylon for Ring Pin e orme teverarivet Ti 8 17420 100 psi Pressure Gauge 6S
6. llation If lever handle or rivets are damaged or distorted replace with proper Amerex part s 9 Remove hose assembly inspect hose assembly for damage replace as necessary Blow air through hose assembly to insure passage is clear of foreign material 10 Inspect the valve assembly for corrosion or damage to hose thread connections Replace valve assembly or component parts as necessary following the proper depressurization and recharge procedures 11 Install hose assembly into operating valve Torque swivel nut lightly with 15 16 wrench Install in hose clip 12 Install new tamper seal and record service data on the extinguisher inspection tag 13 Rehang the extinguisher on the wall hanger bracket making sure that it fits the hanger bracket properly replace the bracket if necessary RECHARGE RECHARGING NFPA 10 The replacement of the extinguishing agent and includes the expellant for this type of extinguisher WARNING a Before attempting to recharge be sure this extinguisher is completely depressurized b Use a regulated nitrogen pressurizing source Set the regulator no more than 25 psi 172 kPa higher than the gauge operating pressure c Check and calibrate regulator gauge at frequent intervals The regulator gauge should be used to determine when the intended charging pressure has been reached Do not use the extinguisher gauge for this purpose d Never leave an extinguisher connected to a regulator of a high pres
7. n of Service collar around neck of cylinder Install valve assembly to the cylinder and properly align CAUTION HAND TIGHTEN THE VALVE COLLAR NUT 100 125 IN LBS MAX 1 15 1 44 KG M OVER TIGHTENING WITH A WRENCH WILL DAMAGE THE VALVE Install a P N 09492 Fill Pressurizing Adapter on the valve outlet where the hose assembly attaches and pressurize with nitrogen to 100 psi 690 kPa The pressure regulator should be set to no more than 125 psi 862 kPa Remove Fill Adapter Check the collar gauge cylinder welds and valve orifice for leaks using a leak detection fluid or a solution of soapy water Remove leak detection fluid from the valve assembly by blowing out with air and wipe exterior of the extinguisher to dry Install hose assembly into the operating valve Torque swivel nut lightly with a 15 16 wrench Install in hose clip Install ring pin with ring facing front of the extinguisher Install new tamper seal Record recharge date and attach new recharge tag Weigh assembled extinguisher and confirm that the total weight is within the allowable tolerances indicated in the Maintenance section on the extinguisher nameplate label TROUBLESHOOTING GUIDE WARNING Determine the source of a leak before the extinguisher is depressurized THE EXTINGUISHER MUST BE COMPLETELY DEPRESSURIZED BEFORE ANY ATTEMPT IS MADE TO DEVALVE IT AND CORRECT ANY LEAKAGE PROBLEM To depressurize hold the extinguisher in an inverted pos
8. ould be inspected at regular intervals monthly or more often if circumstances require to insure that it is ready for use INSPECTION NFPA 10 A quick check should be made of the extinguisher for the following Located in designated place No obstructions to access or visibility Operating instructions on nameplate label and facing outward Seals and tamper indicators not broken or missing Determine fullness by weighing or hefting Examine for obvious physical damage corrosion leakage or clogged nozzle Pressure gauge reading in the operable area Se Ne MAINTENANCE SERVICE PROCEDURE MAINTENANCE NFPA 10 At least once a year or more frequently if indicated by an inspection maintenance should be performed Maintenance is a thorough check of the extinguisher It is intended to give maximum assurance that an extinguisher will operate effectively and safely It includes a thorough examination and any necessary repair or replacement It will normally reveal the need for hydrostatic testing 1 Clean extinguisher to remove dirt grease or foreign material Check to make sure that the instruction nameplate is securely fastened and legible Inspect the cylinder for corrosion abrasion dents or weld damage If any of these conditions are found and you doubt the integrity of the cylinder hydrostatically test using the proof pressure method and a suitable cage in accordance with CGA Pamphlet C 1 and NFPA Pamphlet 10 a
9. sure source for an extended period of time A defective regulator could cause the cylinder to rupture due to excessive pressure RECHARGING PROCEDURE Complete the Maintenance Service Procedure items 1 thru 10 Discharge all remaining pressure and wet chemical solution making sure that there is no remaining pressure Do not top off or reuse wet chemical Remove the valve assembly and disassemble by removing downtube assembly use a wrench on the brass retainer not the plastic tube spring and valve stem from the valve assembly Remove the collar o ring from the valve assembly Thoroughly rinse all parts with clean water and wipe dry with a soft cloth Blow the valve out with air or nitrogen Inspect the collar o ring valve stem and spring replace parts if worn or damaged Lubricate the collar o ring and small o ring on the valve stem with Visilox V 711 do not lubricate the valve stem seal Inspect the downtube If it is cracked or deformed replace with proper downtube see Parts List Inspect downtube o ring replace if necessary Remove fill tube Rinse the cylinder with clean water and inspect the interior following CGA Visual Inspection Standard Pamphlet C 6 Replace fill tube Model B260 6 liter Recharge using the Model 530 2 Liquid Charge following the instructions on the package Model B262 212 Gallon Recharge using the Model 660 Liquid Charge following the instructions on the package Install a Verificatio
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