05603 – Manual for Hand Portable Carbon
Contents
1. INSPECTION MAINTENANCE AND RECHARGE SERVICE MANUAL P N 05603 All fire extinguishers should be installed inspected and maintained in accordance with the National Fire Protection Association standard titled Portable Fire Extin guishers NFPA 10 or The National Fire Code of Canada 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 mainte nance USE OF SUBSTITUTE PARTS RELEASES AMEREX OF ITS WARRANTY OBLIGATIONS Amerex parts have machined surfaces and threads that are manu factured to exacting tolerances O rings hoses nozzles 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 may be incorrectly labeled as UL component parts some are advertised as Amerex type None of these meet UL requirements and all of them voids the Amerex extinguisher warranty and UL l2. 3 to 8 feet RECHARGE FIRE EXTINGUISHERS IMMEDIATELY AFTER ANY USE PERIODIC INSPECTION PROCEDURES Monthly or more often if circumstances dictate NFPA 10 Periodic inspection of fire extinguishers shall include a check of at least the following items ae T Location in designated place No obstruction to access or visibility Operating instructions on nameplate and facing outward Safety seals and tamper indicators not broken or missing Examination for obvious physical damage corrosion leakage or clogged nozzle Determine fullness by weighing or hefting MAINTENANCE At least once a year or more frequently if indicated by an inspection Maintenance should be performed Mainte nance 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 lt will normally reveal the need for hydrostatic testing MAINTENANCE SERVICE PROCEDURE 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 in accordance with CGA Pamphlets C 1 and C 6 and NFPA 10 Inspect the extinguisher for damaged missing or substitute parts Only fact
3. 332 ALL BRACKETS SEE BRACKET PAGE ALL FILL amp HYDROTEST ADAPTERS SEE ADAPTER PAGE ALL VALVE ASSEMBLIES INCLUDE VALVE BODY VALVE STEM ASSEMBLY SPRING RETAINER LEVER amp HANDLE
4. or probe at each end NFPA 10 Inspect the valve assembly for corrosion or damage to hose thread connection Visually inspect the safety relief assembly for obstruction or damage If necessary replace with complete Amerex factory assembled safety relief P N 04000 tightening assembly to 250 in lbs of torque DO NOT SUBSTITUTE Valve removal and or valve part replacement should be made only after completely discharging the contents of the cylinder Inspect the 10 15 amp 20 Ib elbow and diffusion tip for blockage or damage The Amerex 2 1 2 amp 5 Ib CO2 diffuser is built into the discharge tube Check elbow and discharge tube for blockage or damage Replace damaged parts with genuine factory replacement parts only 12 13 Reinstall horn and discharge tube 2 1 2 amp 5 Ib or hose and horn assembly 10 15 amp 20 Ib to discharge valve Check horn strap and clip 10 15 amp 20 Ib for damage and proper positioning Replace tighten or realign as necessary Install new tamper seal and record service data on the extinguisher inspection tag 14 Replace the extinguisher on the wall hanger or in the vehicle bracket making sure that it fits the bracket properly and the bracket is securely attached replace the bracket if necessary RECHARGE WARNING Before attempting to disassemble be sure the extinguisher is 10 11 completely empty depressurized Use only an approved source of carbon dioxide see minimum sp
5. 320NM 321 322 322NM 22395 Safety Disc Gasket amp Nut 321M 00160 Ring Pin Lge Stainless Steel 322 322NM 16268 Ring pin Sml Stainless Steel 320 320NM 321 321M 3A 00532 Chain Nylon for Ring Pin 01387 Lockwire Seal Yellow 07762 Lever amp Rivet 322 322NM 23076 Lever amp Rivet T 01563 Rivet Rivet only for Lever sd for Lever 09020 Handle amp Rivets 322 322NM 23077 Handle amp Rivets 320 320NM 321 321M 01564 Rivet only for Handle 2 reqd 05689 O ring for Elbow a 02735 Elbow with O ring 01769 Discharge Tube 322 322NM 22582 Discharge Tube 320 320NM 321 321M io 01772 Horn 322 322NM 22400 Horn 320 320NM 321 321M 05235 Valve Stem O ring 01539 Valve Stem Assembly 00533 Downtube 322 322NM ce Downtube lt r a 01124 Collar O ring 1 Collar O ring 1 1 8 sd ALL BRACKETS SEE BRACKET PAGE ALL FILL amp HYDROTEST ADAPTERS SEE ADAPTER PAGE ALL VALVE ASSEMBLIES INCLUDE VALVE BODY VALVE STEM ASSEMBLY SPRING RETAINER LEVER amp HANDLE PARTS LIST For 10 15 20 Ib Carbon Dioxide Extinguishers Model 330 Model 331 Model 332 e omman OOOO i ae areal lees not include 04000 A e 0176 Hose Assembly 390 301 082 Hose amp Horn Assembly 330 Hose amp Horn Assembly 331 332 Horn 330 Horn 331 332 15 00501 Spring 16 00503 Retainer 00564 Downtube 330 00589 Downtube 331 332 18 01124 Collar O ring 1 1 8 20570 Strap amp Clip 330 331 20571 Strap amp Clip
6. L CAN ANTICIPATE ALL POSSIBLE MALFUNCTIONS THAT MAY BE ENCOUNTERED IN THE SERVICE OF FIRE EXTINGUISHERS DUE TO THE POSSIBILITY THAT PRIOR SERVICE PERFORMED ON THIS EQUIPMENT MAY HAVE BEEN IMPROPERLY DONE IT IS EXTREMELY IMPORTANT THAT ALL WARNINGS CAUTIONS AND NOTES IN THIS MANUAL BE CAREFULLY OBSERVED FAILURE TO FOLLOW THESE INSTRUCTIONS COULD RESULT IN SERIOUS INJURY AMEREX AS SUMES NO LIABILITY FOR SERVICE MAINTENANCE OR RECHARGE OF FIRE EXTINGUISHERS BY PUBLISHING THIS MANUAL FIVE YEAR LIMITED WARRANTY Amerex warrants its fire extinguishers to be free from defects in material and work manship for a period of five 5 years from the date of purchase During the warranty period any such defects will be repaired or the defective extinguisher replaced if only factory replacement parts and recommended service equipment have been used to service the extinguisher This warranty does not cover defects resulting from modification alteration misuse exposure to unusually corrosive conditions nor improper installation or maintenance All implied warranties including but not limited to warranties of fitness for purpose and merchantability are limited to the time periods as stated above In no event shall Amerex Corporation be liable for inci dental or consequential damages Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages so that the above li
7. ce such as a small room closet or other confined area prolonged occupancy of that space can result in loss of consciousness due to oxygen deficiency Avoid skin contact CO2 is extremely cold and could cause burns or frostbite 1 Remove extinguisher from wall hanger or vehicle bracket and move it to within approximately 6 feet 5 Ib or 10 feet 10 15 or 20 Ib of the fire site 2 Hold the extinguisher upright twise and pull ring Safety pin 3 Stand back 8 feet 2 1 2 or 5 Ib or 10 feet 10 15 or 20 Ib from the fire and aim the horn at base of flames nearest you Hold horn at base hand grip only grasping the horn or swivel discharge tube could cause cold burn 4 Keeping the extinguisher upright sweep side to side across the base of the fire and past both edges Progressively follow up until the fire is extin guished Work the fire away from you while being alert for flashbacks Move closer as the fire is extinguished but not so close as to scatter or splash the burning materials 5 When the fire is out release the valve lever to stop discharge Stand by and watch for possible reignition 6 Evacuate and ventilate the area immediately after extinguishing the fire The fumes and smoke from any fire may be hazardous and can be deadly DISCHARGE TIME APPROXIMATELY 21 2 or 5 Ib 9 seconds 10 Ib 11 seconds 15 Ib 15 seconds 20 Ib 19 seconds DISCHARGE RANGE APPROXIMATELY 2 1 2 5 10 15 20 Ib
8. ecifications in NFPA 10 Inspection Maintenance amp Recharging Do not use dry ice convertors Use an approved pump hose and recharge adapter to insure safe and efficient charge operations RECHARGING PROCEDURE Perform steps 1 through 11 of the Maintenance Service Procedure section Discharge all remaining pressure and contents making sure that there is no remaining pressure Retighten valve assembly A proper valve installation occurs when the minimum tightness is used to make a leak tight valve to cylinder seal Do not over tighten valves 100 ft lbs 135 58 Nm maximum torque Over tightening can damage both valves and cylinders and may lead to unsafe situations that can cause property damage injury and or loss of life Check the extinguisher nameplate label for the proper amount of CO2 to be pumped into the extinguisher Install the proper Amerex recharge adapter Adapter must fit over diffuser tip on 2 1 2 5 lb Discharge Tube and elbow on 10 15 amp 20 Ib without blocking diffuser holes Do not remove 2 1 2 5 lb discharge tube or 10 15 20 lb elbow Place extinguisher on an accurate scale and attach carbon dioxide supply line to the recharge adapter Attach a device such as a Pony Spring Clamp to hold the extinguisher valve lever in the squeezed position or open position Pump the proper amount of CO2 into the extinguisher When the proper weight is reached re lease the clamp shut off the CO2 pump and vent the su
9. g can damage both valves and cylinders and may lead to unsafe situations that can cause property damage injury and or loss of life od PROBLEM CORRECTIVE ACTION Remove valve assembly clean collar thoroughly Leak at collar o ring and install new collar o ring Lubricate with Bluestar V 711 and reinstall valve Check valve stem seating area for scratches or foreign matter Clean seating area with a tooth Leak through valve brush and soft cloth Install new valve stem assembly Remove safety nut disc and gasket assembly Replace with new Amerex P N 04000 safety nut Leak at safety relief nut disc and gasket assembly Tighten assembly to 250 in lbs maximum of torque Remove valve assembly downtube spring and valve stem assembly Install new valve stem assembly Check valve seat for scratches or foreign matter Leak during discharge under discharge lever Leak during discharge at Tighten hose connection at elbow 10 15 20 Ib hose connection elbow replace o ring and or elbow on 2 1 2 5 Ib Contact Amerex if under warranty otherwise Leak in the cylinder mark Rejected and remove from service or return to the owner PARTS LIST For 2 1 2 5 Ib Carbon Dioxide Extinguishers Model 322 Model 322NM Model 320 Model 320NM Model 321 Model 321M Description Viv Asy 322 322MN Viv Asy 320 320MN 321 Viv Asy 321M valve asy does not include elbow downtube 04000 Safety Disc Gasket amp Nut 2 320
10. isting DO NOT SUBSTITUTE RECHARGE FIRE EXTINGUISHERS IMMEDIATELY AFTER ANY USE REFERENCES IN THIS MANUAL AVAILABLE FROM NFPA 10 Portable Fire Extinguishers National Fire Protection Association 1 Batterymarch Park P O Box 9101 Quincy MA 02269 9101 CGA C 1 Methods for Pressure Testing of Compressed Gas Cylinders CGA C 6 Standard for Visual Inspection of Steel Compressed Gas Cylinders CGA C 6 1 Standard for Visual Inspection of Aluminum Alloy Compressed Gas Cylinders Compressed Gas Association Inc 14501 George Carter Way Suite 103 Chantilly VA 20151 2923 National Research Council Canda 1200 Montreal Rd Ottawa ON KIA 9Z9 National Fire Code of Canada 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 OMO5603E Rev 8 13 Y am LLI L M2 _ O H gt lt LLI LLI 2 LL LLI l lt H am O QO m lt lt 3E LLI gt L 2 m lt O aa am lt O an zj N S T N e A a O Model 331 15 LB Model 322 5 LB Model 332 20 LB Model 330 10 LB AMEREX CORPORATION DOES NOT SERVICE MAINTAIN OR RECHARGE FIRE EXTINGUISHERS THIS MANUAL IS PUBLISHED AS A GUIDE TO ASSIST QUALI FIED SERVICE PERSONNEL IN THE INSPECTION MAINTENANCE AND RECHARGE OF AMEREX FIRE EXTINGUISHERS ONLY NO INSTRUCTION MANUA
11. mitations or exclusions may not apply to you Amerex Corporation neither assumes nor authorizes any representative or other person to assume for it any obligation or liability other than expressly set forth herein This warranty gives you specific legal rights and you may also have other rights which may vary from state to state To obtain performance of the obligation of this warranty write to Amerex Corporation P O Box 81 Trussville AL 35173 0081 for instructions 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 Inspection is a quick check that a fire extinguisher is available and is in operating condition It is intended to give reasonable assurance that the fire extinguisher is fully charged This is done by verifying that it is in its designated place that it has not been actuated or tampered with and that there is no obvious physical damage or condition to prevent its operation OPERATION NOTE Persons expected to use this extinguisher should be trained in initiating its operation and in the proper fire fighting technique Familiarize all per sonnel with this information before an emergency occurs WARNING Carbon Dioxide extinguishes fires by diluting the surrounding at mosphere with inert gas keeping the oxygen level below the percentage required for combustion When it is used in an unventilated spa
12. ory replacement parts are approved for use on Amerex fire extinguishers Weigh the extinguisher and compare with weight printed in the Maintenance section on the nameplate label Recharge extinguisher if weight is not within indicated allowable tolerances Check the date of manufacture stamped on the cylinder dome The agent cylinder must be hydrostatically tested every 5 years to the test pressure indicated on the nameplate in accordance with DOT requirements Check ring pin for freedom of movement Replace if bent or if removal appears difficult Inspect discharge lever for any dirt or corrosion which might impair freedom of movement Inspect carrying handle for proper installation If lever handle or rivets are damaged replace with proper Amerex part s Remove the horn and discharge tube 2 1 2 amp 5 lb or hose amp horn assembly 10 15 amp 20 Ib Remove the horn and discharge tube 2 1 2 amp 5 lb or hose amp horn assembly 10 15 amp 20 Ib inspect for dam age replace as necessary Replace the horn if brittle cracked or deformed Blow air through nozzle and nozzle assemblies to insure passage is clear of foreign material Carbon dioxide hose assemblies have a continuous metal braid that connects to both couplings to minimize static shock A hose continuity test should be performed using a basic conductivity tester consisting of a flashlight hav ing an open circuit and a set of two wires with a conductor clamps
13. pply line Remove the CO2 supply line and recharge adapter from the extinguisher valve Check the collar and valve for leaks using a leak detection fluid or a solution of soapy water Remove leak detec tion fluid from the valve assembly and wipe exterior of the extinguisher to dry Install ring pin with ring facing the front of the extinguisher Install tamper seal Record recharge date and attach new recharge tag Install the horn or hose and horn assembly to the extinguisher valve TROUBLESHOOTING GUIDE WARNING Determine the source of a leak before the extinguisher is depressurized The extin guisher must be completely depressurized before any attempt is made to devalve it and correct a leakage problem To depressurize hold the extinguisher in a vertical position and slowly squeeze the discharge handle Thoroughly clean all valve parts after depressurization and valve removal Amerex CO2 valve bodies and aluminum cylinders are 1 1 8 12 UNF straight threads Use a proper straight thread adapter when hydrostatically testing When reinstalling the valve assembly the cyl inder must be placed in a suitable securing vice Lubricate o ring area only Threads of straight threaded cylinders require no lubricant for proper valve installation A proper valve installation oc curs when the minimum tightness is used to make a leak tight valve to cylinder seal Do not over tighten valves 100 ft Ibs 135 58 Nm maximum torque Over tightenin
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