inspection, maintenance and recharge
Contents
1. 5 Remove fill tube Rinse the cylinder with clean water and inspect the interior following CGA Visual Inspection Standard Pamphlet C 6 6 Model B260 6 litre Recharge using the Model 530 2 Liquid Charge following the instructions on the package Model B262 212 Gallon Use a clean pail to mix the Model 660 Dry Charge into solution Carefully following the mixing Instruction on the package After fully dissolved slowly pour entire charge into the extinguisher Replace fill tube NOTE Model 660 Dry Charge break up the solids in the potassium acetate charge prior to placing in water A paint mixing tool or an electric drill will aid in the mixing process 7 Install a Verification of Service collar around the 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 TIGHTENIGN WITH A WRENCH WILL DAMAGE THE VALVE 8 Install a P N 09492 Fill Pressurizing Adapter into 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 9 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 Page 4 of 6 W2. de ssion Southern Ltd uppression Systems S i SF Wet Chemical extinguisher INSPECTION MAINTENANCE AND RECHARGE SERVICE MANUAL NO 13259 FOR AMEREX MODEL B260 6 LITRE MODEL B262 2 2 LITRE Wet Chemical Stored Pressure Stainless Steel Fire Extinguishers FOR RESTAURANT KITCHEN FIRES Amerex Fire International Ltd HAVE YOUR EXTINGUISHER RECHARGED IMMEDIATELY AFTER ANY USE All fire extinguishers should be installed inspected and maintained in accordance with the National Fire Protection Association standard titled Portable Fire Extinguishers NFA 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 and Fire Suppression Southern strongly recommend that the maintenance of portable fire extinguisher be done by a trained professional your authorized Amerex Distributor Amerex Corporation makes original factory parts available to insure proper maintenance use of substitute parts releases Amerex and Fire Suppression Southern of its warranty obligations Amerex parts have machined surfaces and threads that are manufactured to exacting tolerances O rings hoses nozzles a
3. 8 Inspect discharge lever for dirt or corrosion that might impair freedom of movement Inspect carrying handle for proper installation If lever handle or rivets are damaged or distorted replace with proper Amerex part s 9 Removal 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 threads 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 Page 3 of 6 Wet Chemical Extinguisher Unit D4 Seedbed Business Centre Vanguard Way Shoeburyness Essex SS3 9QY T 01702 384038 F 01702 384043 E sales firesuppressionsouthern co uk sssion Southern Ltd lt _ lt Ippression Systems lt wg RECHARGE RECHARGE NFPA 10 4 2 3 is the replacement of the extinguishing agent and also 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 nitrog
4. NSEPCTION NFPA 10 4 2 1 amp 4 3 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 APRON a Page 2 of 6 Wet Chemical Extinguisher Unit D4 Seedbed Business Centre Vanguard Way Shoeburyness Essex SS3 9QY T 01702 384038 F 01702 384043 E sales firesuppressionsouthern co uk ssion Southern Ltd WC r AN MAINTENANCE SERVICE PROCEDURE MAINTENANCE NFPA 10 4 2 2 amp 4 4 At least once a year or more frequently if indicated by an inspection maintenance should be performed Maintenance is a through check of the extinguisher It is extended to give maximum assurance that an extinguisher will operate effectively and safely It includes a thorough examination and any necessary repair on 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 c
5. en 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 pressure source for an extended period of time A defective regulator could cause the cylinder to rupture due to excessive pressure RECHARGING PROCEDURE 1 Complete the Maintenance Service Procedure items 1 through to 10 2 Discharge all remaining pressure and wet chemical solution making sure that there is no remaining pressure Do not top off or reuse water 3 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 4 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
6. et Chemical Extinguisher Unit D4 Seedbed Business Centre Vanguard Way Shoeburyness Essex SS3 9QY T 01702 384038 F 01702 384043 E sales firesuppressionsouthern co uk 10 Install hose assembly into the operating valve Torque swivel nut lightly with a 15 16 wrench Install hose clip 11 Install ring pin with ring facing front of the extinguisher Install new tamper seal Record recharge date and attach new recharge tag 12 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 leak before the extinguisher is depressurized THE EXTINGUISHER MUST BE COMPLETELY DEPRESSURIZED BEFORE ANY ATTEMPT IS MADE TO DEVALVE IT AND CORRECT ANY LEAKGE PROBLEM To depressurize hold the extinguisher in an inverted position and slowly squeeze the discharge handle Some liquid remaining in the downtube will be discharged to care should be taken in the area used for depressurization Thoroughly clean all valve parts after depressurization and valve removal PROBLEM CORRECTIVE ACTION Leak at collar o ring Leak through valve Leak around gauge threads Defective gauge Leak in cylinder Broken Footstand Restricted or intermittent agent discharge stream Remove valve assembly clean collar knurled nut thoroughly and install new o ring Lubricate o ring
7. nd 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 labelled as UL component parts some are advertised as Amerex type None of these meet UL requirements and all of them void the Amerex and Fire Suppression Southern extinguisher warranty and UL listing DO NOT SUBSTITUTE Page 1of6 Wet Chemical Extinguisher Unit D4 Seedbed Business Centre Vanguard Way Shoeburyness Essex SS3 9QY T 01702 384038 F 01702 384043 E sales firesuppressionsouthern co uk REFERENCES IN THIS MANUAL NFPA 10 Portable Fire Extinguishers CGA C 1 Methods of Hydrostatic Testing of Compressed Gas Cylinders CGA C 6 Standard for Visual Inspection of Compressed Gas Cylinders AMEREX AND FIRE SUPPRESSION SOUTERN LTD DO NOT SERVICE MAINTAIN OR RECHARGE FIRE EXTINGUISHERS THIS MANUAL IS PUBLISHED AS A GUIDE TO ASSIST SERVICE PERSONNEL IN THE INSPECTION MAINTENANCE AND RECHARGE OF AMEREX FIRE EXTINGUISHERS ONLY NO INSTRUCTION MANUAL CAN ANTICIPATE ALL POSSIBLE MALFUNCTIONS THAT MAY BE ENCOUNTERED IN THE SERVICE OF FIRE EXTINGUISHERS AMEREX AND FIRE SUPPRESSION SOUTHERN ASSUMES NO LIABILITY FOR SERVICE MAINTENANCE OR RECHARGE OF FIRE BY PUBLISHING THIS MANUAL INSPECTING THE EXTINGUISHER This extinguisher should be INSPECTED at regular intervals monthly or more often if circumstances dictate to insure that it is ready for use I
8. si Pressure Gauge 55 Tube B o REES REESEN 10 06093 Valve Stem Asy Les 12 o0aes Spring Le Downtube Retainer Assembly GL 16059 Downtube Retainer Assembly 2 z Gal U Nameplate Label nor UL 6L EA 16099 Nameplate Label man UL 2 Gal 16 03109 Footstand black D 14776 Strap amp Clip Asy Black Plastic 3 8 LI 18 09452 Fil Pressurizing Adapter LI 19 03181 Hydrotest Adapter LL E oor WallBracket O o foao 04488 Adhesive 3 oz tube for Footstand LI 06247 Visilox Lubricant 5 oz Tube LI 13503 Model 530 2 Wet Chemical charge 6L 2 13815 Model 660 Wet Chemical charge 2 Gal 1 E 14669 Caution Placard English Spanish LJ 15874 Caution Placard English French NOTE All Valve Assemblies include new Valve Body Pressure Gauge Wing Nut Lever amp Handle PARTS NOT PICTURED ct i ee H l M l M l Ml l Ml l Mli l Ml l Ml Ml Wet Chemical Extinguisher Unit D4 Seedbed Business Centre Vanguard Way Shoeburyness Essex SS3 9QY T 01702 384038 F 01702 384043 E sales firesuppressionsouthern co uk
9. with Visilox V 711 Install new valve stem assembly Check valve seat for scratches or foreign matter Remove gauge and reinstall using Teflon tape on the gauge threads Remove defective gauge and install a new P N 06479 gauge using Teflon tape on the gauge threads Contact Fire Suppression Southern Ltd if under warranty otherwise mark REJECTED and return to owner Install new P N 03109 Footstand using Dow corning RTV 732 Silicone Rubber adhesive Amerex P N 04488 Check downtube strainer and discharge nozzle for dirt sediment or impediments Clean or replace parts as necessary Pressure gauge threads are coated with a special epoxy at the factory For easy removal soak the valve assembly minus the downtube assembly in hot water 180 F 82 C for two to four minutes Remove gauge with a 7 16 open end wrench Page 5 of 6 Wet Chemical Extinguisher Unit D4 Seedbed Business Centre Vanguard Way Shoeburyness Essex SS3 9QY T 01702 384038 F 01702 384043 E sales firesuppressionsouthern co uk PARTS LIST For 6 liter amp 2 Vs Gal WET CHEMICAL Stored Pressure Stainless Steel Extinguishers Brass Valve Models B260 amp B262 Page 6 of 6 ion Southern Ltd ion Systems f ITEMI FART s TO ND NC DESCRIPTION PKG 2 14380 Hanger Loopw Screw optional B 3 16043 GL Hose Assembly U A 00160 RingPin Stainless Srel 20 6 O07762 Lever amp Rivet t 8 06479 100 p
10. ylinder hydrostatically test using the proof pressure method and a suitable cage in accordance with CHA Pamphlet C 1 and NFPA Pamphlet 10 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 Cylinder must be hydrostatically tested every 5 years to the test pressure indicated on the label 200 psi 1380 kPa REPLACE EXTINGUISHER 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 pressing the pressure valve Quickly repressurize to 100 psi 690 kPa to avoid liquid clogging the pressure valve Check for leaks 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
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