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PN 16672

 

04/2020

 

All  fire  extinguishers  shall  be  installed,  inspected  and  maintained  in  accordance  with  the    National  Fire 

Protection  Association  standard  titled  "Portable  Fire  Extinguishers",  NFPA  10  or  The  National  Fire  Code  of 

Canada and the requirements of local authorities having jurisdiction.

 

When  maintenance  is  indicated,  it  shall  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, 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 listing. 

DO NOT SUBSTITUTE

.

 

RECHARGE FIRE EXTINGUISHERS IMMEDIATELY AFTER ANY USE

 

OWNER

S SERVICE MANUAL

 

INSTALLATION, OPERATING & SERVICING INSTRUCTIONS

 

MANUAL PN 16672

 

HALOTRON I WHEELED EXTINGUISHERS

 

MODELS B673, B674, B675 

 

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

 

REFERENCES IN THIS MAUNUAL:                                                        

NFPA 10 

Portable Fire Extinguishers  

JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJ            

                                                          

 

CGA C

-

Methods for Pressure Testing Compressed Gas 

Cylinders

 

CGA C

-

Standard for Visual Inspection of Steel 

Compressed Gas Cylinders. 

 

National Fire Code of Canada

 

AVAILABLE FROM:                                                                             

National Fire Protection Association, 1 Batterymarch Park, 

Quincy, MA 02169

-

7471 

 

Compressed Gas Association, 14501 George Carter Way, 

Chantilly, VA 20151

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2923

 

Compressed Gas Association, 14501 George Carter Way, 

Chantilly, VA 20151

-

2923

 

National Research Council Canada, 1200 Montreal Road, 

Ottawa, ON K1A 0R6 Canada

 

AMEREX  CORPORATION  DOES  NOT  SERVICE,  MAINTAIN  OR  RECHARGE  FIRE  EXTINGUISHERS. 
THIS  MANUAL  IS  PUBLISHED  AS  A  GUIDE  TO  ASSIST  QUALIFIED  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. 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  HEED  THESE  INSTRUCTIONS  COULD  RESULT  IN  SERIOUS 
INJURY. AMEREX ASSUMES NO LIABILITY FOR SERVICE, MAINTENANCE OR RECHARGE OF FIRE 
EXTINGUISHERS  BY  PUBLISHING  THIS  MANUAL  THIS  MANUAL  IS  ATTACHED  TO  EVERY  NEW 
EXTINGUISHER  SHIPPED  FROM  THE  FACTORY.  IT  CONTAINS  VALUABLE  INFORMATION  WHICH 
SHALL  BE  STUDIED  BY  EVERYONE  WHO  WILL  USE  OR  SERVICE  THE  EXTINGUISHER.  THIS 
MANUAL SHALL BE STORED IN A CONVENIENT LOCATION FOR EASY REFERENCE.

 

 

Summary of Contents for B673

Page 1: ...TINGUISHERS MODELS B673 B674 B675 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 REFERENCES IN THIS MAUNUAL NFPA 10 Portable Fire Extinguishers JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJ CGA C 1 Methods for Pressure Testing Compressed Gas Cylinders CGA C 6 Standard for Visual Inspectio...

Page 2: ...alve and the nozzle connection to the hose are tight 4 Check to insure that the nozzle shut off lever is in the CLOSED position The pull pin shall be installed and the tamper seal intact 5 Visually inspect the pressure gauge The pressure gauge shall be in the green zone Slight pressure variances in the gauge reading may be found if the extinguisher has been subjected to extremes of heat or cold Hi...

Page 3: ...from the storage rack 4 Stand back 30 feet from the fire and aim just in front of the base of the flames nearest you 5 Hold hose and nozzle firmly and be prepared for a discharge recoil Open nozzle by pulling lever toward you Slowly sweep side to side extending the discharge beyond the edges of the fire Progressively follow up until the fire is extinguished Work the fire away from you while being ...

Page 4: ...to prevent its operation 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 1 Located in designated place 2 No obstruction to access or visibility 3 Operating instructions on nameplate legible and facing outward 4 Tamper seals not broken or missing 5 Determine fullness...

Page 5: ...he operation is impeded replace ball valve assembly Make sure that the nozzle tip is clear and unobstructed WARNING ALWAYS OPEN THE SHUTOFF NOZZLE HANDLE SLOWLY BE PREPARED FOR A POSSIBLE DISCHARGE AND NOZZLE RECOIL 8 After making sure that there is no residual pressure in the discharge hose disconnect it from the cylinder operating valve Blow air through the hose and nozzle assembly to insure tha...

Page 6: ...nt and pressure remove valve assembly and disassemble by removing downtube spring and valve stem assembly Discard valve stem assembly and collar o ring NOTE Keep cylinder opening covered while devalved to minimize interior corrosion 4 Thoroughly clean all parts of the disassembled valve with a soft bristle brush or soft cloth Blow the valve out with dry nitrogen 5 Install a new valve stem assembly...

Page 7: ... minimum Tare weight extinguisher or record empty weight The extinguisher shall be fully discharged and empty 4 Connect the extinguisher to a Halotron l supply cylinder using the Amerex PN 14538 Halotron l Recharge Kit NOTE The Halotron l supply cylinder must be pressurized to approximately 100 psi with ARGON to properly charge the extinguisher 5 Open the agent cylinder discharge valve by pulling ...

Page 8: ...ures can cause high gauge readings and low temperatures low readings When in doubt condition the extinguisher to 70ºF 21ºC for several hours to obtain more accurate pressure gauge readings 2 Leak through valve Remove valve assembly downtube spring and valve stem assem bly Install new valve stem GREEN SEAL assembly Check valve seat for scratches or foreign matter 3 Leak at collar o ring Remove valv...

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