SCOTT® CARRI-AIR™ PORTABLE AIR SUPPLY
Contents
1. AIR WITH BELL ALARM CYLINDER AND OR FAILURE OF THE RESPIRATOR USER TO RESPOND TO THE BELL ALARM WHEN IT ACTUATES MAY RE SULT IN SUDDEN AND UNEXPECTED TERMI NATION OF THE AIR SUPPLY TO THE RESPI RATOR USER WHICH COULD RESULT IN SERI OUS INJURY OR DEATH WARNING SCOTT E Z AIRLINE RESPIRATORS MAY NOT BE USED FOR RESPIRATORY PROTECTION IN ATMOSPHERES WHICH ARE OR MAY BE COME IMMEDIATELY DANGEROUS TO LIFE OR HEALTH OR ATMOSPHERES IN WHICH THE CONTAMINANT S OR CONCENTRATIONS OF THE CONTAMINANT S IS UNKNOWN SEE THE INSTRUCTIONS SUPPLIED WITH THE RESPI RATOR BEING USED FOR ADDITIONAL INFOR MATION AND ADDITIONAL WARNINGS 3 REGULAR OPERATIONAL INSPECTION The following procedure shall be used when you first receive the CARRI AIR with Bell Alarm portable air supply and for inspection before each use If any malfunction is noted remove the CARRI AIR with Bell Alarm portable air supply from service and tag for repair by authorized personnel 1 Visually inspect the SCOTT CARRI AIR with Bell Alarm portable air supply for worn or damaged components Check to make sure that cylinder reten tion strap is not abraded around area of carrying handle bracket and that cylinder retention assembly is secured 2 Check the latest cylinder hydrostatic test date to ensure it is current All cylinders used with Scott CARRI AIR with Bell Alarm must be visually inspected regularly and hydrostatically tested by a licensed cylinder retester in accordance2. Bell Alarm portable air supply to be able to hear the end of service time indicator bell when it actuates 6 Periodically check the air gauge on the cylinder to monitor the air pressure See the SERVICE LIFE section on page two of this instruction The Bell Alarm will actuate when the cylinder reaches approximately 750 psi but the respira tor user must plan on switching to the air supply from the AIR PAK WITH DURATION EXTENDING ACCESSORY SKA PAK or SKA PAK PLUS res pirator at this point regardless of whether the Bell Alarm has actuated or not USE OF CARRI AIR WITH BELL ALARM PORTABLE AIR SUPPLY CONTINUED ON NEXT PAGE WARNING THE CYLINDER VALVE MUST BE FULLY OPENED FOR PROPER OPERATION OF THE RESPIRATOR FAILURE TO FULLY OPEN THE CYLINDER VALVE MAY RESULT IN REDUCED SUPPLY OF BREATHING AIR TO THE RESPIRA TOR USER WHICH MAY CAUSE SERIOUS IN JURY OR DEATH 10 CAUTION TO PRESERVE THE SUPPLY OF AIR RE MAINING IN THE CYLINDER DO NOT LEAVE CYLINDER VALVE OPEN WHEN RESPIRATOR IS NOT IN USE 7 During use of the respirator if the Bell Alarm actuates or if breathing becomes difficult the air supply stops or any other difficulty is encountered before the Bell Alarm actuates open the cylinder valve on the AIR PAK WITH DURATION EX TENDING ACCESSORY SKA PAK or SKA PAK PLUS respirator and discon nect from the air supply hose Leave the area requiring respiratory protection immediately or within the duration of the air supply cyli
3. difficult the air supply stops or any other difficulty is encountered be fore the Bell Alarm actuates leave the area requiring respiratory protection immediately When using an AIR PAK WITH DURATION EXTENDING AC CESSORY SKA PAK or SKA PAK PLUS respirator open the cylinder valve and disconnect from the air supply hose Leave the area requiring respiratory protection immediately or within the duration of the air supply cylinder in stalled on the AIR PAK WITH DURATION EXTENDING ACCESSORY SKA PAK or SKA PAK PLUS respirator as prescribed by your organized respira tory protection program 8 User must leave hazardous area or be certain that respiratory protection is no longer required 9 Doff remove respirator facepiece as directed in the instructions of the respi rator being used 10 Push in and rotate cylinder valve knob clockwise to close cylinder valve on the CARRI AIR with Bell Alarm portable air supply Replace air cylinder with a fully charged air cylinder in preparation for next use see REMOVAL OF SPENT AIR CYLINDER section of this instruction Tag the depleted cylinders for service by authorized personnel USE WITH AIR SUPPLY INSIDE AREA REQUIRING RESPIRATORY PROTECTION 1 Don the AIR PAK WITH DURATION EXTENDING ACCESSORY SKA PAK or SKA PAK PLUS respirator in accordance with the Operation and Mainte nance Instructions provided with the respirator Do not use with a SCOTT E Z AIRLINE respirator when it is necessary to take th
4. disengage the toggle lever decrease the retention strap engagement length using the tri slide buckle and engage the latch assembly again See FIGURE 6 ATTACHING THE REDUCER ASSEMBLY 1 Check to ensure the reducer coupling is clean and free from dirt 2 Check to ensure the coupling gasket is not damaged See FIGURE 7 3 Check to ensure the cylinder valve outlet is clean and free from dirt See FIGURE 8 4 Thread the reducer coupling onto the cylinder valve The reducer coupling must be hand tightened to the cylinder valve outlet Wrenches shall not be used as damage to the coupling gasket may result FIGURE 7 COUPLING GASKET REDUCER COUPLING FIGURE 8 CYLINDER VALVE OUTLET 6 AIR LINE CONNECTION Verify that the SCOTT CARRI AIR with Bell Alarm portable air supply unit you have has the correct quick disconnect to match your system There are 5 reducer assembly styles available to match your SCOTT supply hose P N 804911 05 with Hansen quick disconnect fitting P N 804911 06 with Schrader quick disconnect fitting P N 804911 07 with Hansen HK quick disconnect fitting P N 804911 08 with Foster quick disconnect fitting P N 804911 09 with Cejn quick disconnect fitting Use FIGURE 9 to identify the fitting on your SCOTT supply hose and to verify the matching reducer assembly on the CARRI AIR with Bell Alarm portable air sup ply See TABLE 2 of this instruction for informatio
5. retained in the CARRI AIR with Bell Alarm portable air supply 3 Slide the cylinder underneath the cylinder retention assembly with the cylin der hanger bracket pointed down See FIGURE 2 6 Lock the toggle lever by attaching the cylinder latch toggle strap to the snap on the toggle lever See FIGURE 5 WARNING DO NOT USE AIR CYLINDERS OTHER THAN SCOTT 45 MINUTE OR 60 MINUTE 4500 PSI CYLINDERS USE OF OTHER SIZE CYLINDERS MAY RESULT IN IMPROPER RETENTION OF THE CYLINDER IN THE CARRI AIR WITH BELL ALARM STAND AND POSSIBLE DAMAGE TO THE HIGH PRESSURE AIR CYLINDER WHICH MAY RESULT IN SERIOUS INJURY OR DEATH FIGURE 2 FIGURE 3 FIGURE 4 FIGURE 5 5 7 Ensure that the cylinder is securely held in place on the cylinder stand by the cylinder retention assembly Do not force the toggle lever to lock WARNING VERIFY THE ENGAGEMENT OF THE COU PLING AS DESCRIBED FAILURE TO EN SURE ENGAGEMENT OF THE COUPLING MAY LEAD TO HOSE SEPARATION AND LOSS OF BREATHING AIR WHICH COULD LEAD TO SERIOUS INJURY OR DEATH CAUTION WRENCHES SHALL NOT BE USED AS DAMAGE PARTICULARLY TO THE COUPLING GASKET MAY RESULT CAUTION THE USE OF FORCE TO LOCK THE TOGGLE LEVER MAY RESULT IN DAMAGE TO THE CYL INDER RETENTION ASSEMBLY FIGURE 6 If the retention strap is too tight use the tri slide buckle to increase the reten tion strap engagement length then re attempt to engage the latch assembly See FIGURE 6 If the retention strap is too loose
6. with the appropriate US Department of Transportation DOT specification or the applicable DOT exemp tion For a complete listing of retest date requirements refer to the current revision of Safety Precautions for Air Pak Cylinders Scott P N 89080 01 available on request from Scott Health and Safety Composite cylinders those cylinders utilizing fiber over wrap must be tested in accordance with the DOT exemption status up to the maximum life of fiber overwrapped cylinders which at the time of the publication of this instruction is 15 years from the date of manufac ture The date of manufacture marked on the cylinder is also the date of the first hydrostatic test It is the responsibility of your organized respiratory protection program to arrange for visual inspection and hydrostatic testing of cylinders by a licensed retester 3 Visually inspect cylinder and valve assembly for physical damage such as dents or gouges in metal or in composite wrapping Cylinders which show physical damage or exposure to high heat or flame such as paint turned brown or black decals charred or missing pressure gauge lens melted or elastomeric bumper distorted and cylinders which show evidence of exposure to chemicals such as discoloration cracks in the cylinder or the composite wrapping peeling of the outer layers of the composite wrapping and or bulging of the cylinder wall shall be removed from service and emptied of compressed air Refer to current appl
7. 1 OPERATION AND MAINTENANCE INSTRUCTIONS INTRODUCTION SCOTT CARRI AIR with Bell Alarm portable air supply is intended to supply air to a respirator being used by a single person only and must be used only with a complete SCOTT AIR PAK with duration extending accessory Ska Pak Ska Pak Plus or E Z AIRLINE respirator The SCOTT CARRI AIR with Bell Alarm portable air supply consists of a pressure reducer with Bell Alarm to connect to a SCOTT cylinder and valve assembly a quick disconnect socket for connection to an air supply hose a cylinder stand and a cylinder retention assembly with carrying handle for securing the compressed air cylinder see FIGURE 1 The SCOTT CARRI AIR with Bell Alarm portable air supply is designed to fit only 45 minute or 60 minute 4500 psi SCOTT cylinders The Bell Alarm end of service time indicator will actuate when the cylinder pressure drops to approximately 750 psi THIS PORTABLE AIR SUPPLY DOES NOT OPERATE THE VIBRALERT OR ANY OTHER END OF SERVICE TIME INDICATOR ALARMS ON AN ATTACHED AIR PAK WITH DURATION EXTENDING ACCESSORY RESPIRATOR The air supply hose connecting the respirator to the CARRI AIR with Bell Alarm Portable air supply must be the hose approved for use with the respirator and the coupling must match the outlet coupling on the CARRI AIR with Bell Alarm portable air supply WITH BELL ALARM This instruction sheet describes the operation and maintenance instructions for the SCOTT CARRI AIR
8. AGE OR OBSCURE THE EXISTING LABELING MAY INTERFERE WITH PROPER IDENTIFICATION OF ASSEMBLIES IM PROPER IDENTIFICATION OF ASSEMBLIES MAY RESULT IN ERRORS IN MAINTENANCE OR OPERATION CAUSING FAILURE OF THE RESPIRATOR WHICH MAY RESULT IN SERIOUS INJURY OR DEATH
9. DURE TO DISCONNECT THE COUPLING 1 Grasp sleeve B with the right hand 2 Simultaneously rotate and push the sleeve away from the plug until the alignment notch in the sleeve lines up with the alignment peg in the body and the socket separates from the plug 1 The female connectors on all supply hose series are checked to stop the flow of air when they are disconnected Both male and female connectors are checked on 26369 series supply hose 2 0 feet direct connection to air supply source 3 Segments of supply hose are commonly available in 25 ft 50 ft 75 ft and 100 ft length segments Approved Total Lengths ft 2 Supply Hose1 Maximum Number of Segments Approved 26370 Series with stainless steel Foster couplings 30010 Series with brass Hansen couplings 26369 Series with stainless steel Hansen HK couplings 30020 Series with steel Schrader couplings 805659 Series with brass CEJN cou plings 0 to 300 0 to 300 0 to 150 0 to 300 0 to 300 63 123 123 123 123 1 Insert plug fitting C into socket A and continue pushing until it is engaged as evidenced by a click 2 Test for positive engagement by tugging on the plug 3 Disconnect the coupling by pushing in on plug C while pulling back on sleeve B Plug C will separate 1 Insert plug fitting C into socket A and continue pushing until it is engaged as evidenced by a click 2 Test for positive engagement by tugging o
10. LINDER WHICH COULD CAUSE SERIOUS INJURY OR DEATH WARNING FOLLOW THE REGULAR OPERATIONAL INSPECTION PROCEDURE EXACTLY IF THE BELL ALARM END OF SERVICE INDI CATOR DOES NOT ACTUATE AS DE SCRIBED IN THIS INSTRUCTION OR ANY OTHER OPERATIONAL MALFUNCTION IS NOTED DO NOT USE THE PORTABLE AIR SUPPLY REMOVE THE PORTABLE AIR SUPPLY FROM SERVICE AND TAG IT FOR REPAIR BY AUTHORIZED PERSONNEL FAILURE TO PROPERLY IDENTIFY MAL FUNCTIONS MAY RESULT IN SERIOUS INJURY OR DEATH 4 4 Engage the cylinder hanger bracket in the locking tab on the cylinder stand See FIGURE 3 5 Center the carrying handle and handle bracket over the top of the cylinder Secure the cylinder in place with the retention strap by pushing the toggle lever toward the stand frame See FIGURE 4 PREPARATION FOR USE AIR CYLINDER INSTALLATION 1 Place the CARRI AIR with Bell Alarm cylinder stand on a flat surface with the handle and cylinder retention assembly on top 2 The SCOTT CARRI AIR with Bell Alarm portable air supply is designed to fit only 45 minute or 60 minute 4500 psi SCOTT air cylinders The SCOTT CARRI AIR with Bell Alarm portable air supply includes a locking tab on the cylinder stand which engages with a bracket at the neck of the cylinder and a cylinder retention band which engages the diameter of the cylinder body Cylinders without a bracket or with a diameter different than the SCOTT 45 minute and 60 minute rated 4500 psi cylinders will not be properly
11. RIOUS INJURY OR DEATH USE OF CARRI AIR WITH BELL ALARM PORTABLE AIR SUPPLY CONTINUED 11 FIGURE 12 REMOVAL OF SPENT AIR CYLINDER 1 Ensure that user has left contaminated area and has doffed respirator 2 Push in and rotate cylinder valve knob clockwise to close cylinder valve 3 Bleed down residual air pressure by opening the purge valve of the respirator slightly or breathing on the facepiece 4 Unthread the pressure reducer coupling from the cylinder valve by rotating counterclockwise 5 Unsnap the cylinder latch toggle strap and release the toggle lever by pulling upward on and then releasing the strap 6 Grasp the cylinder below the retention strap push the locking tab below the valve lift the cylinder free from the hook and remove See FIGURE 12 7 The removed cylinder shall be inspected and refilled by authorized personnel For further information see Scott Specialist Level Mainte nance Modules available on request from SCOTT Health and Safety at 1 800 247 7257 CAUTION THE CYLINDER VALVE ON EMPTY CYLIN DERS MUST BE CLOSED AN OPEN VALVE MAY ALLOW MOISTURE OR OTHER CON TAMINANTS TO ENTER THE CYLINDER 12 Health amp Safety Products Monroe Corporate Center PO Box 569 Monroe NC 28111 Telephone 1 800 247 7257 FAX 704 291 8330 www scotthealthsafety com 595015 01 Rev 6 02 Printed in USA MAINTENANCE No attempt shall be made to replace components or to make adjustments or repairs beyond the scop
12. Series Cejn 342 Series 7 TABLE 2 LIMITATIONS AND OPERATING INSTRUCTIONS FOR SUPPLY HOSE NOTE THE AIR SUPPLY PRESSURE MUST BE MAINTAINED BETWEEN 60 PSIG AND 125 PSIG WHILE FLOWING AT LEAST 200 LITERS PER MINUTE LPM TO EACH USER A B C A B C A B C A B C HANSEN HK COUPLING USED ON 26369 SERIES FOSTER COUPLING USED ON 26370 SERIES SCHRADER COUPLING USED ON 30020 SERIES HANSEN COUPLING USED ON 30010 SERIES FIGURE 9 COUPLINGS USED ON SUPPLY HOSES A B C CEJN COUPLING USED ON 805659 SERIES INSTRUCTIONS FOR OPERATION OF COUPLINGS Note The user shall practice and be able to disconnect the couplings quickly in an emergency situation 1 To connect the coupling rotate socket sleeve B until the alignment notch in the sleeve is in line with alignment peg in body A 2 Slide sleeve B toward the supply hose away from plug C and insert plug C into socket A Release sleeve B while pushing the plug into the socket until engaged as evidenced by a click Test for positive engagement by tugging on the plug 3 Rotate sleeve B one quarter to one half turn to lock the plug against accidental release 4 To disconnect the coupling realign sleeve B with the body of socket A as described in step 1 Slide sleeve B away from the body toward the supply hose to release the plug fitting from the socket IF IT IS NOT PRACTICAL TO SEE THE ALIGNMENT NOTCH IN THE SLEEVE USE THE FOLLOWING PROCE
13. TOR ONLY THE BELL ALARM WILL OPERATE WHEN THE CYLINDER PRESSURE DROPS TO THE WARNING LEVEL THE VIBRALERT ALARM WILL OPERATE NOR MALLY WHEN THE USER IS BREATHING FROM THE AIR PAK RESPI RATOR AIR SUPPLY CYLINDER The user should not expect to obtain exactly the cylinder rated duration from this air supply on each use The work being performed may be more or less strenuous than that used in the National Institute of Occupational Safety and Health NIOSH respirator testing Where work is more strenuous the du ration may be shorter possibly as short as one half the nominal service time or less Always verify that the CARRI AIR with Bell Alarm portable air sup ply cylinder is fully charged before entering the hazardous atmosphere The duration of use of the respirator supplied by the CARRI AIR with Bell Alarm portable air supply will depend on such factors as 1 the capacity of the cylinder installed 2 the degree of physical activity of the user 3 the physical condition of the user 4 the degree to which the user s breathing is affected by excitement fear or other emotional factors 5 the degree of training or experience which the user has with this or similar equipment 6 whether or not the cylinder is fully charged at the start of the work period 7 the possible presence in the compressed air of carbon dioxide concen trations greater than 04 normally found in atmospheric air 8 the atmospheric pressure for example if use
14. UPATIONAL SAFETY AND HEALTH ADMINISTRATION OR OTHER PERTINENT NATIONALLY RECOGNIZED STANDARDS SUCH AS THOSE PROMULGATED BY THE US COAST GUARD OR DEPARTMENT OF DEFENSE 2 SERVICE LIFE The SCOTT CARRI AIR with Bell Alarm portable air supply is intended to accommodate either a 45 minute or 60 minute duration cylinder It is to be used and maintained only by trained personnel This CARRI AIR with Bell Alarm portable air supply is equipped with an end of service indicator alarm However if the respirator user can not carry the unit to the immediate area where it is to be used it is essential that a trained person other than the respirator user outside the hazardous atmosphere monitor the volume of air in the CARRI AIR with Bell Alarm portable air supply cylinder and warn the respira tor user of diminishing air supply in sufficient time for the user to exit the hazardous atmosphere The person monitoring the cylinder pressure gauge must have an effective method of communication with the respirator user Effective communication must assure that the respirator user will be notified when to leave the area requiring respiratory protection and may in clude but is not limited to unassisted verbal communication radio commu nication wired communication or a prearranged signal such as an air horn or other means of signalling THIS CARRI AIR WITH BELL ALARM POR TABLE AIR SUPPLY WILL NOT OPERATE THE VIBRALERT ALARM IN A SCOTT FACEPIECE MOUNTED REGULA
15. WHICH COULD RE SULT IN SERIOUS INJURY OR DEATH WARNING THE CYLINDER VALVE MUST BE FULLY OPENED FOR PROPER OPERATION OF THE RESPIRATOR FAILURE TO FULLY OPEN THE CYLINDER VALVE MAY RESULT IN REDUCED SUPPLY OF BREATHING AIR TO THE RESPIRA TOR USER WHICH MAY CAUSE SERIOUS IN JURY OR DEATH WARNING FAILURE TO ASSIGN A TRAINED PERSON TO MONITOR THE AIR GAUGE OF THE CYLINDER OF THE CARRI AIR WITH BELL ALARM POR TABLE AIR SUPPLY AND OR FAILURE TO MAIN TAIN EFFECTIVE COMMUNICATIONS WITH THE RESPIRATOR USER PORTABLE AIR SUPPLY MAY RESULT IN SUDDEN AND UNEXPECTED TERMINATION OF THE AIR SUPPLY TO THE RESPIRATOR USER WHICH COULD CAUSE SE RIOUS INJURY OR DEATH WARNING THE INFORMATION BELOW IS MEANT TO SUPPLEMENT NOT REPLACE THE INSTRUCTIONS TRAINING SUPERVISION MAINTENANCE AND OTHER ELEMENTS OF YOUR ORGANIZED RESPIRATORY PROTECTION PROGRAM SEE WARNING ON FIRST PAGE OF THIS DOCUMENT FAILURE TO HEED ANY WARNINGS IN THIS INSTRUCTION MAY RESULT IN SERIOUS INJURY OR DEATH WARNING SCOTT E Z AIRLINE RESPIRATORS MAY NOT BE USED FOR RESPIRATORY PROTECTION IN ATMOSPHERES WHICH ARE OR MAY BE COME IMMEDIATELY DANGEROUS TO LIFE OR HEALTH OR ATMOSPHERES IN WHICH THE CONTAMINANT S OR CONCENTRATIONS OF THE CONTAMINANT S IS UNKNOWN SEE THE INSTRUCTIONS SUPPLIED WITH THE RESPI RATOR BEING USED FOR ADDITIONAL INFOR MATION AND ADDITIONAL WARNINGS 9 7 During use of the respirator if the Bell Alarm actuates or if breathing be comes
16. ble length to the accessory hose on a SCOTT AIR PAK WITH DURATION EXTENDING ACCESSORY SKA PAK or SKA PAK PLUS or to the E Z AIRLINE respirator and to the CARRI AIR with Bell Alarm portable air supply Be certain that the air supply hose is of the type certified for use with the respirator being used and that the length and total number of segments of air hose complies with the instructions supplied with the respirator See TABLE 2 of this instruction for additional information Perform the Regular Operational Inspection of the respirator prepare the respirator for use and don the respirator in accordance with the instructions supplied with the respirator and the procedures of your organized respiratory program 6 To begin use fully open the air supply cylinder valve of the CARRI AIR with Bell Alarm portable air supply check facepiece fit as directed in the respirator instructions and proceed with respirator use in accordance with your orga nized respirator program WARNING IF THIS CARRI AIR PORTABLE AIR SUPPLY IS USED WITH A SCOTT FACEPIECE MOUNTED REGULATOR EQUIPPED WITH A VIBRALERT ALARM THE VIBRALERT ALARM WILL NOT OPERATE ONLY THE BELL ALARM ON THE CARRI AIR PORTABLE AIR SUPPLY WILL OP ERATE WHEN THE CYLINDER PRESSURE DROPS TO THE WARNING LEVEL FAILURE TO UNDERSTAND THE OPERATION OF THIS POR TABLE AIR SUPPLY WHEN USED WITH OTHER EQUIPMENT MAY RESULT IN SUDDEN AND UN EXPECTED TERMINATION OF THE AIR SUPPLY TO THE RESPIRATOR USER
17. d in a pressurized tun nel or caisson at 2 atmospheres 15 psi gauge the duration will be one half as long as when used at 1 atmosphere and at 3 atmo spheres will be one third as long 9 loose or improperly fitting facepiece 10 the condition of the respirator being used WARNING FAILURE TO ASSIGN A TRAINED PERSON TO MONITOR THE AIR GAUGE OF THE CARRI AIR WITH BELL ALARM CYLINDER AND OR FAIL URE TO MAINTAIN EFFECTIVE COMMUNICA TIONS WITH THE RESPIRATOR USER SUP PLIED BY THE CARRI AIR WITH BELL ALARM PORTABLE AIR SUPPLY MAY RESULT IN SUD DEN AND UNEXPECTED TERMINATION OF THE AIR SUPPLY TO THE RESPIRATOR USER WHICH COULD RESULT IN SERIOUS INJURY OR DEATH WARNING ALWAYS VERIFY THAT THE AIR SUPPLY CYL INDER IS FULLY CHARGED BEFORE ENTRY INTO ANY HAZARDOUS ATMOSPHERE USE OF A PARTIAL CYLINDER MAY RESULT IN SUDDEN AND UNEXPECTED TERMINATION OF THE AIR SUPPLY TO THE RESPIRATOR USER WHICH COULD RESULT IN SERIOUS INJURY OR DEATH WARNING IF THIS CARRI AIR PORTABLE AIR SUPPLY IS USED WITH A SCOTT FACEPIECE MOUNTED REGULATOR EQUIPPED WITH A VIBRALERT ALARM THE VIBRALERT ALARM WILL NOT OPERATE ONLY THE BELL ALARM WILL OP ERATE WHEN THE CYLINDER PRESSURE DROPS TO THE WARNING LEVEL FAILURE TO UNDERSTAND THE OPERATION OF THIS POR TABLE AIR SUPPLY WHEN USED WITH OTHER EQUIPMENT MAY RESULT IN CIRCUMSTANCES THAT COULD CAUSE SERIOUS INJURY OR DEATH WARNING FAILURE OF THE RESPIRATOR USER TO MONI TOR THE AIR GAUGE OF THE CARRI
18. e CARRI AIR with Bell Alarm portable air supply into an area requiring respiratory protection 2 Connect the air supply hose of a SCOTT AIR PAK WITH DURATION EX TENDING ACCESSORY SKA PAK or SKA PAK PLUS respirator to the CARRI AIR with Bell Alarm portable air supply Be certain that the air supply hose is of the type certified for use with the respirator being used and that the length and total number of segments of air hose complies with the instruc tions supplied with the respirator See TABLE 2 of this instruction for addi tional information Following the instructions supplied with the respirator and the procedures of your organized respiratory program perform the Regular Operational Inspection of the respirator if required prepare the respirator for use and don the respirator 3 To begin use fully open the air supply cylinder valve of the CARRI AIR with Bell Alarm portable air supply check facepiece fit as directed in the respirator instructions and proceed with respirator use in accordance with your orga nized respirator program 4 When placing the CARRI AIR with Bell Alarm portable air supply down in the work area verify that it is secured on a flat level surface where the unit or cylinder will not shift or slide Arrange the air hose in a manner which will prevent a sudden or unexpected pull on the air hose from moving or damag ing the CARRI AIR with Bell Alarm portable air supply 5 Always remain close enough to the CARRI AIR with
19. e of this instruction manual without proper training Clean and inspect the respirator after each use as follows 1 Inspect the equipment for worn or aging rubber parts worn or frayed harness webbing or damaged components 2 Damp sponge dirt accumulations from the rest of the equipment 3 Inspect the cylinder valve outlet threads and the coupling gasket The gasket is located on the nipple coupling that connects the pressure reducer to the cylinder valve To expose the threads and the gasket for inspection grasp the hand wheel coupling on the pressure reducer and turn the hand wheel counterclockwise until the pressure reducer separates from the cylinder valve Inspect the cylinder valve outlet for bent or damaged threads If the gasket is present and in good condition and the valve outlet is undamaged thread the coupling back onto the cylinder valve using hand tight pressure 4 Check for leaks If any leakage is detected remove unit from service and tag for repair by authorized personnel RESPIRATOR MARKINGS Do not alter or permanently cover over any labels on the Scott CARRI AIR with Bell Alarm or air supply cylinder and valve assembly If user applied identification markings are added to the Scott CARRI AIR with Bell Alarm or air supply cylinder and valve assembly do not obscure any labels supplied on the Scott CARRI AIR with Bell Alarm or air supply cylinder and valve assembly Any user applied mark ings must be applied in such a way a
20. ea requiring respiratory protection to position the CARRI AIR with Bell Alarm portable air supply as prescribed in your res piratory protection program 2 Ensure that CARRI AIR with Bell Alarm portable air supply is secured on a flat level surface where the unit or cylinder will not shift or slide Arrange the air hose in a manner which will prevent a sudden or unexpected pull on the air hose from moving or damaging the CARRI AIR with Bell Alarm portable air supply 3 Assign a trained person other than the respirator user to monitor the air gauge on the air supply cylinder The person monitoring the air gauge must be in structed to notify the respirator user in the hazardous area when the air pres sure has been reduced to a predetermined value or when the Bell Alarm sounds whichever comes first The Bell Alarm will actuate when the cylinder pressure drops to approximately 750 psi but the respirator user must plan on switching to the air supply from the AIR PAK WITH DURATION EXTENDING ACCESSORY SKA PAK or SKA PAK PLUS or exiting the hazardous area if used with a SCOTT E Z AIRLINE respirator at the predetermined value re gardless of whether the Bell Alarm has actuated or not 4 Be certain the person assigned to monitor the pressure gauge of the air supply cylinder has an effective means of communicating with or notifying the respirator user See the SERVICE LIFE section on page two of this instruction 5 Connect the air supply hose of a suita
21. icable publications on compressed gas cylinder inspection available from Compressed Gas Association Inc 1725 Jefferson Davis Hwy Suite 1004 Arlington VA 22202 703 412 0900 for a detailed explanation of cylinder inspection procedures 4 Check cylinder pressure gauge for FULL indication If cylinder pressure is less than FULL replace with a fully charged cylinder Use only SCOTT 4500 psi cylinders with an air supply rated at 45 minutes or 60 minutes 5 Check to ensure reducer coupling is hand tightened to the cylinder valve outlet Wrenches shall not be used as damage to the coupling gasket may result 6 ATTACH AN AIR SUPPLY LINE TO THE FEMALE QUICK DISCONNECT COUPLING ON THE REDUCER Check that the quick disconnect engages properly Test for proper engagement by tugging on the coupling See AIR LINE CONNECTION section of this instruction for details of operation of spe cific quick disconnects 7 To test the Bell Alarm open the cylinder valve fully The Bell Alarm shall ring one or more times Close the cylinder valve Bleed off the residual air in the reducer by inserting an open male quick disconnect into the female coupling on the reducer The Bell Alarm shall ring several times until all the air has been bled from the reducer WARNING DAMAGED CYLINDERS MAY SUDDENLY LEAK OR RUPTURE IF LEFT CHARGED WITH COMPRESSED AIR FAILURE TO INSPECT FOR DAMAGE AND TO EMPTY THE AIR FROM DAMAGED CYLINDERS MAY RESULT FAILURE OF THE CY
22. n on operation of the different quick disconnect fittings and allowable lengths and maximum number of hose segments Use TABLE 1 for a list of part numbers for hose assemblies made with the available brands of quick disconnect couplings WARNING SUPPLY HOSES FOR THE CARRI AIR WITH BELL ALARM PORTABLE AIR SUPPLY MUST NOT EXCEED THE MAXIMUM ALLOWABLE LENGTH AS SPECIFIED IN THE OPERATIONS AND MAINTENANCE INSTRUCTIONS OF THE ASSOCIATED SCOTT RESPIRATOR PRODUCT SPECIFIC RESTRICTIONS ON HOSE LENGTH AND MAXIMUM NUMBER OF SEGMENTS OF HOSE APPLY TO SPECIFIC SUPPLY HOSE TYPES SEE THE INSTRUCTIONS SUPPLIED WITH THE RESPIRATOR BEING USED FOR ADDITIONAL INFORMATION AND WARNINGS FAILURE TO OBSERVE NECESSARY WARN INGS AND INSTRUCTIONS FOR USE OF SUPPLY HOSES MAY CAUSE A FAILURE OF THE EQUIPMENT WHICH COULD RESULT IN SERIOUS INJURY OR DEATH Hansen is a registered trademark of Tuthill Corporation Foster is a registered trademark of Foster Manufacturing Co Inc Schrader is a registered trademark of Scovill Inc Cejn is a registered trademark of Cejn AB NOTE 1 Scott Part Number stamped into hose within 6 inches of either end TABLE 1 IDENTIFICATION OF SUPPLY HOSES Corresponding SCOTT Supply Hose Series1 Quick Disconnect Coupling used on air supply hose 30010 series or 26370 series 30020 series 26369 series 805659 series Hansen 3000 Series or Foster 3 Series Manual Schrader Standard Twist Lock Hansen 2HK
23. n the plug 3 Disconnect the coupling by rotating sleeve B 1 8 turn in the clockwise direction as viewed from the female end of socket A WARNING THE USER OF THIS RESPIRATOR MAY HAVE TO DISCONNECT THE HOSE COUPLING SUDDENLY AND UNDER STRESS FUL CONDITIONS THE USER MUST BE ABLE TO DISCONNECT THE COUPLING UNDER THE CONDITIONS WHICH MAY BE ENCOUNTERED DURING USE FOR EXAMPLE WITHOUT BEING ABLE TO SEE THE COUPLING WITH GLOVES ON WITH ONE HAND ETC FAILURE OF THE USER TO ADEQUATELY PERFORM THESE TASKS UNDER STRESSFUL CONDITIONS MAY RESULT IN SERIOUS INJURY OR DEATH 8 USE OF CARRI AIR WITH BELL ALARM PORTABLE AIR SUPPLY Use only in accordance with your respiratory protection program The SCOTT CARRI AIR with Bell Alarm portable air supply may only be taken into an area requiring respiratory protection if used with a SCOTT AIR PAK WITH DURA TION EXTENDING ACCESSORY SKA PAK or SKA PAK PLUS respirator If the SCOTT CARRI AIR with Bell Alarm must be positioned some distance from the respirator user or is used with a SCOTT E Z AIRLINE respirator it must be placed in a safe area as described by your organized respiratory program and monitored by someone while the user enters the area requiring respiratory pro tection Perform REGULAR OPERATIONAL INSPECTION procedure of the CARRI AIR with Bell Alarm portable air supply as outlined in this manual USE WITH AIR SUPPLY OUTSIDE AREA REQUIRING RESPIRATORY PROTECTION 1 Locate a site outside of ar
24. nder installed on the AIR PAK WITH DURATION EXTENDING ACCESSORY SKA PAK or SKA PAK PLUS respirator as prescribed by your organized respiratory protection program 8 User must leave hazardous area or be certain that respiratory protection is no longer required 9 Doff remove respirator as directed in the instructions of the AIR PAK WITH DURATION EXTENDING ACCESSORY SKA PAK or SKA PAK PLUS res pirator being used 10 Push in and rotate cylinder valve knob clockwise to close cylinder valve on the CARRI AIR with Bell Alarm portable air supply Replace air cylinder with a fully charged air cylinder in preparation for next use see REMOVAL OF SPENT AIR CYLINDER section of this instruction Replace the air supply cylinder for the AIR PAK WITH DURATION EXTENDING ACCESSORY SKA PAK or SKA PAK PLUS respirator as well before reentering the area requir ing respiratory protection Tag the depleted cylinders for service by autho rized personnel WARNING IF THIS CARRI AIR PORTABLE AIR SUPPLY IS USED WITH A SCOTT FACEPIECE MOUNTED REGULATOR EQUIPPED WITH A VIBRALERT ALARM THE VIBRALERT ALARM WILL NOT OPERATE ONLY THE BELL ALARM ON THE CARRI AIR PORTABLE AIR SUPPLY WILL OP ERATE WHEN THE CYLINDER PRESSURE DROPS TO THE WARNING LEVEL FAILURE TO UNDERSTAND THE OPERATION OF THIS POR TABLE AIR SUPPLY WHEN USED WITH OTHER EQUIPMENT MAY RESULT IN SUDDEN AND UN EXPECTED TERMINATION OF THE AIR SUPPLY TO THE RESPIRATOR USER WHICH COULD RE SULT IN SE
25. s will not weaken or damage the Scott CARRI AIR with Bell Alarm or air supply cylinder and valve assembly will not interfere with the proper function of these assemblies and will not add flammable materials to these assemblies TECHNICAL SPECIFICATIONS The Reducer Assembly that is provided with the CARRI AIR with Bell Alarm portable supply is equipped with a relief valve If air is heard or felt coming from the relief valve the Reducer Assembly must be removed from service and sent to an authorized SCOTT service center for repair A properly functioning Reducer Assembly connected to a fully charged cylinder will have output pressure between 85 and 110 psi with no flow and a minimum outlet pressure of 65 psig with a flow of approximately 400 liters per minute PERIODIC TESTING SCOTT recommends that the CARRI AIR with Bell Alarm portable air supply be checked both visually and functionally by a SCOTT Authorized Service Center using SCOTT Authorized Test Equipment at least every two years However heavy use may require more frequent testing This recommendation is in addition to all other cleaning and maintenance procedures WARNING DO NOT APPLY ANY MARKINGS OR LABELS THAT DAMAGE OR INTERFERE WITH THE OPERATION OF THE RESPIRATOR ANY USER APPLIED MARKINGS THAT INTER FERE WITH THE OPERATION OF THE RESPIRATOR MAY CAUSE A FAILURE OF THE RESPIRATOR AND MAY RESULT IN SERIOUS INJURY OR DEATH WARNING APPLYING ANY MARKINGS OR LABELS THAT DAM
26. with Bell Alarm portable air supply Read and understand this entire instruction sheet before attempting the use of the SCOTT CARRI AIR with Bell Alarm portable air supply SCOTT CARRI AIR PORTABLE AIR SUPPLY FIGURE 1 Note Air Cylinder Shown for Illustration Only CYLINDER RETENTION ASSEMBLY TRI SLIDE BUCKLE CARRYING HANDLE QUICK DISCONNECT FITTING CYLINDER STAND REDUCER COUPLING TOGGLE LATCH HANDLE BRACKET REDUCER ASSEMBLY WITH BELL ALARM FOR USE WITH A SCOTT 4500 PSI AIR CYLINDER TO SUPPLY BREATHING AIR TO SCOTT AIR PAK SKA PAK SKA PAK PLUS OR E Z AIRLINETM WARNING THE SCOTT CARRI AIR WITH BELL ALARM PORTABLE AIR SUPPLY MAY BE USED TO SUPPORT HUMAN LIFE IN A HAZARDOUS ATMOSPHERE IMPROPER USE OF THIS BREATHING AIR SUPPLY MAY RESULT IN SERIOUS INJURY OR DEATH IMPROPER USE INCLUDES BUT IS NOT LIMITED TO USE WITHOUT ADEQUATE TRAINING DISREGARD OF THE WARNINGS AND INSTRUCTIONS CONTAINED HEREIN AND FAILURE TO INSPECT AND MAINTAIN THE AIR SUPPLY AND OR THE RESPIRATOR USED WITH IT THIS AIR SUPPLY IS INTENDED TO BE USED ONLY IN CONJUNCTION WITH AN ORGANIZED RES PIRATORY PROTECTION PROGRAM WHICH COMPLIES WITH THE REQUIREMENTS OF PRACTICES FOR RESPIRATORY PROTECTION Z 88 2 AVAILABLE FROM AMERICAN NATIONAL STANDARDS INSTITUTE INC 11 WEST 42ND STREET NEW YORK N Y 10036 OR THE REQUIREMENTS OF OSHA SAFETY AND HEALTH STANDARD 29 CFR 1910 PARAGRAPH 134 AVAILABLE FROM THE U S DEPT OF LABOR OCC
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