Scott AIR-PAK NxG2 Operating & Maintenance Instructions
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Scott AIR-PAK NxG2 Operating & Maintenance Instructions

Pressure-demand self contained breathing apparatus
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Pressure-Demand Self Contained Breathing Apparatus (SCBA)
HEADS-UP
DISPLAY
AIR SAVER
SWITCH
FACEPIECE
MOUNTED
REGULATOR
CYLINDER AND
VALVE ASSEMBLY
REGULATOR
QUICK
DISCONNECT
REGULATOR
HOLDER
RIC-UAC
CONNECTION
Typical configurations of SCOTT AIR-PAK NxG
Appearance of respirators will vary by model. Not all respirators include all features illustrated.
®
SCOTT
AIR-PAK
2
Copyright
©
2006 SCOTT Health and Safety, All Rights Reserved.
OPERATING & MAINTENANCE INSTRUCTIONS
®
NxG
TRI-SLIDE
BUCKLE
CYLINDER
LATCH
PRESSURE
REDUCER
SCBA's with various optional equipment illustrated above.
1
™
2
FACEPIECE
CYLINDER
VALVE
RIC-UAC
CONNECTION

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Summary of Contents for Scott SCOTT AIR-PAK NxG2

  • Page 1 PRESSURE CONNECTION REDUCER Typical configurations of SCOTT AIR-PAK NxG SCBA's with various optional equipment illustrated above. Appearance of respirators will vary by model. Not all respirators include all features illustrated. Copyright © 2006 SCOTT Health and Safety, All Rights Reserved.

  • Page 3: Table Of Contents

    SCOTT AIR-PAK NxG Pressure-Demand Self Contained Breathing Apparatus (SCBA) Table of Contents GENERAL DESCRIPTION ..........................4 SPECIFIC MODEL DESCRIPTIONS ......................6 SERVICE LIFE ............................... 7 INTRINSICALLY SAFE LISTING ........................7 APPROVALS AND CERTIFICATIONS ......................8 OPTIONS AND ACCESSORIES ......................... 10 HEADS-UP DISPLAY ...........................11...

  • Page 4: General Description

    OPERATING THIS EQUIPMENT MAY RE- facepiece mounted pressure demand breathing regulator, an approved SULT IN SERIOUS INJURY OR DEATH. SCOTT full facepiece and a head harness to secure the facepiece to the face. All SCOTT AIR-PAK NxG SCBA's described in this instruc-...
  • Page 5 The regulator utilized by the SCOTT SCBA is a pressure-demand breathing regulator mounted directly to the facepiece. The regula- WARNING tor may be removed from the facepiece by operating a spring loaded thumb latch, rotating the regulator 90 degrees and lifting it from the...
  • Page 6 GENERAL DESCRIPTION CONTINUED... There are two independent end of service indicator alarms: the VI- BRALERT alarm mounted inside the breathing regulator and the electronic HEADS-UP DISPLAY end of service time indicator. When actuated, the VIBRALERT alarm vibrates the breathing regulator and facepiece to warn the user of diminishing air supply by both an au- dible and a tactile warning.
  • Page 7 WARNS THAT APPROXIMATELY 25% OF FULL PRESSURE REMAINS IN THE AIR SUP- Consult with your SCOTT Health and Safety distributor for details of PLY CYLINDER (THAT IS, APPROXIMATELY available approved accessories for your SCOTT AIR-PAK NxG . Re-...
  • Page 8 The SCOTT AIR-PAK NxG respirator may also include certain accessories. Each major subas- sembly and accessory is labeled with its SCOTT part number. In order to maintain the NIOSH approved status of the respirator, only those...

  • Page 9: Intrinsically Safe Listing

    Chemical, Biological, Radiological, and Nuclear (CBRN) Approval Sta- tus under the NIOSH standard. A complete list of the approved components is provided on the NIOSH CBRN Approval Label, SCOTT document P/N 595056-01. Before using a respirator for a CBRN appli- cation, the user must verify that the respirator is comprised of only CBRN approved components.
  • Page 10 QUESTIONS OR CONCERNS If you have any questions or concerns regarding use of this equipment, contact your authorized SCOTT dealer or distributor, or contact SCOTT at 1-800-247-7257 (or 704-291-8300 outside the continental United States) or visit our web site at www.scotthealthsafety.com.

  • Page 11: Heads-Up Display

    HEADS-UP DISPLAY OPERATION The HEADS-UP DISPLAY provides a visual monitor of the air supply in the cylinder and valve assembly. The display is fitted to the facepiece mounted regulator and appears across the bottom of the user's field of view through the facepiece. The HEADS-UP DISPLAY consists of four rectangular lights to represent the cylinder pressure at FULL, THREE- QUARTERS, ONE-HALF, and ONE-QUARTER.

  • Page 12: Regular Operational Inspection

    DOT exemption. For a complete listing of retest date requirements, refer to the current revision of Safety Precautions for AIR-PAK Cyl- inders, 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 ex-...
  • Page 13 and emptied of compressed air. Refer to current applicable pub- lications 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 ex- planation of cylinder inspection procedures. 4.
  • Page 14 REGULAR OPERATIONAL INSPECTION CONTINUED... 15. Push in and rotate cylinder valve knob clockwise to close. When cylinder valve is fully closed, open purge valve slightly to vent re- sidual air pressure from system. As the residual air pressure vents from the system, the remote pressure gauge needle will swing from “FULL”...
  • Page 15 See BATTERY REPLACEMENT section of these instructions. If a low battery message occurs, SCOTT recommends that ALL batteries be changed before the respirator is used. See the BATTERY REPLACE- MENT section of this instruction for details.

  • Page 16: Preparation For Use

    PREPARATION FOR USE 1. If carrying case is used for storage, proceed as follows: Place carrying case on ground or level surface, open lid (hard case) or top flap (soft case). Check cylinder gauge for “FULL” indication. If not full, replace cylinder before use. A gauge indication of other than full may indicate an air leak in the cylinder and valve assembly or a mal- function of the gauge assembly.

  • Page 17: Use Of Respirator

    USE OF RESPIRATOR Training and fit testing are required before use of this equipment. WARNING If respirator use is expected at temperatures near or below freezing, or if respirator is to be used after being kept at temperatures near or FIT TESTING IN ACCORDANCE WITH OSHA STANDARD 29 CFR PART 1910 IS RE- below freezing, refer to LOW TEMPERATURE OPERATION Section...
  • Page 18 Refer to the INSTALLATION AND USE INSTRUCTIONS, IF FACEPIECE CANNOT BE ADJUSTED TO SCOTT P/N 89462-01, included with the Mask Seal Kit. This is a SEAL TO FACE, A FACEPIECE FIT TEST NIOSH approved kit to enhance the fit of the facepiece.
  • Page 19 12. Proceed with use of respirator in accordance with your respira- tory protection program. EVERY ENTRY INTO A CONTAMINATED OR UNKNOWN ATMO- WARNING SPHERE SHOULD BE PLANNED TO ENSURE THAT THERE IS SUFFICIENT AIR SUPPLY TO ENTER, CARRY OUT THE TASKS ALWAYS START WITH A FULL AIR SUPPLY CYLINDER.

  • Page 20: Termination Of Use

    TERMINATION OF USE To doff the facepiece (i.e., remove the facepiece and terminate res- piratory protection), proceed as follows: CAUTION 1. Leave contaminated area or be certain that respiratory protection is no longer required. FAILURE TO RELEASE TENSION ON NECK STRAPS BEFORE REMOVING FACEPIECE 2.

  • Page 21: Emergency Operation

    EMERGENCY OPERATION The respirator is automatic in function requiring only the opening of the cylinder valve and the proper donning of the facepiece to place into use and the closing of the cylinder valve at the end of use. In the event of a malfunction or a suspected malfunction, implement the WARNING appropriate emergency procedure listed below:...

  • Page 22: Ric-Uac Emergency Use

    CAUSE SERIOUS INJURY OR DEATH. DO ferring air from another SCBA, or any unapproved use. The RIC UAC is for NOT USE THE SCOTT RIC UAC ASSEMBLY emergency use only when the respirator user is incapacitated within the haz- TO CHARGE AN SCBA AIR CYLINDER ardous atmosphere.
  • Page 23 If the respirator user's cylinder is being filled from a portable air DISCONTINUE THE FILLING PROCEDURE supply cylinder (such as a SCOTT RIT-PAK™ portable air sup- AND LEAVE THE IDLH ATMOSPHERE. ply), the air from the supply cylinder will stop flowing when the...

  • Page 24: Low Temperature Operation

    LOW TEMPERATURE OPERATION Respirators intended for routine use and respirators not routinely used but kept for emergency use shall be located in areas where the tem- WARNING perature is maintained above freezing 32° F / 0° C. USE OF THIS RESPIRATOR AT TEMPERA- If a respirator may be unavoidably kept at a temperature below freez- TURES AT OR BELOW FREEZING (32°...

  • Page 25: Cylinder Replacement Procedure

    30-minute rated cylinder capacity which may be used on in DEATH. the model 2.2 SCBA. When replacing cylinders on SCOTT AIR-PAK NxG model 4.5 SCBA’s, there are three different capacity cylinders which may be used interchangeably in the model 4.5 SCBA: the 30-minute rated cylinder, the 45-minute rated cylinder, and the one hour rated cylinder.
  • Page 26 CYLINDER REPLACEMENT CONTINUED... 5. Pull both SNAP-CHANGE locks horizontally away from the pres- sure reducer to release the cylinder connector. See FIGURE 7. The unit will sound a series of descending tones and flash the backframe lights to indicate the cylinder has been released. FIGURE 7 SNAP CHANGE LOCKS 6.
  • Page 27 8. Replace with a fully charged cylinder and valve assembly of the appropriate pressure rating. Verify that replacement cylinder has protective cap installed on the CGA fitting on the valve. See FIGURE 10. PROTECTIVE CAP ON CGA FITTING FIGURE 10 REPLACING CYLINDER AND VALVE ASSEMBLY 9.
  • Page 28 Special training is required to fill the cylinder and valve THE CYLINDER VALVE ON "EMPTY" CYLIN- assemblies used with this SCOTT AIR-PAK NxG2 SCBA. Contact your DERS MUST BE CLOSED. AN OPEN VALVE MAY ALLOW MOISTURE OR OTHER CON- SCOTT representative for additional information on refilling SCOTT TAMINANTS TO ENTER THE CYLINDER.

  • Page 29: Standby Inspection, Cleaning And Storage

    STANDBY INSPECTION, CLEANING AND STORAGE Do not attempt any repair or alteration of this respirator beyond the scope of this instruction without proper training. WARNING NOTE IF DURING USE, THE RESPIRATOR IS SUSPECTED OF BEING DO NOT ATTEMPT ANY REPAIR OR ALTER- CONTAMINATED BY HAZARDOUS SUBSTANCE, THE CONTAMI- ATION OF THIS RESPIRATOR BEYOND THE SCOPE OF THIS INSTRUCTION.
  • Page 30 USE THE CLEANER ONLY IN A MANNER CLEANING. CONSISTENT WITH THE PRODUCT LABEL- 2. To sanitize or disinfect the facepiece, use the SCOTT recom- ING AND USE INSTRUCTIONS. IMPROPER mended sanitizing or disinfecting cleaner according to the instruc- USE OR HANDLING OF THIS PRODUCT MAY RESULT IN SERIOUS INJURY OR tions provided with the cleaner.
  • Page 31 FIGURE 13 4. Depress the donning/air saver switch, close the purge knob by turn- ing fully clockwise. Use the SCOTT recommended sanitizing or dis- infecting cleaner in the regulator opening and the immediate area around the opening (see FIGURE 13). Be sure to cover internal components completely.
  • Page 32 STANDBY INSPECTION, CLEANING AND STORAGE CONTINUED... INSPECTION OF THE RESPIRATOR WARNING 1. Inspect the equipment for worn or aging rubber parts which exhibit cracking, splitting, or brittleness. RESPIRATORS MUST BE CLEANED AND INSPECTED BEFORE STORAGE FOR RE- 2. Inspect for worn or frayed harness webbing and for other damaged U S E .
  • Page 33 All SCOTT facepieces used with this respirator may be fitted with a nose cup. Verify that the Nose Cup is properly installed for the model of facepiece being used. A Nose Cup is standard on the SCOTT AV- ® 2000 and AV-3000™...

  • Page 34: Battery Replacement

    BATTERY REPLACEMENT The AIR-PAK NxG respirator requires three "C" cell batteries in the WARNING backframe assembly to operate the HEADS-UP electronic end of ser- vice time indicator and, if installed, the PASS DEVICE distress alarm. IF A RESPIRATOR INCORPORATING THE PASS DEVICE DISTRESS ALARM IS USED Always replace all batteries at the same time.
  • Page 35 5. The battery holder is marked with the style and orientation of the bat- teries required. See FIGURE 18. Install three (3) fresh new "C" cell batteries of the same type. Use three each of one of the following: – Duracell Alkaline PC1400. –...

  • Page 36: Respirator Markings

    RESPIRATOR MARKINGS Do not alter or permanently cover over any labels on the SCOTT AIR-PAK NxG SCBA or SCOTT AIR-PAK NxG SCBA cylinder WARNING and valve assembly. If user applied identification markings are APPLYING ANY MARKINGS OR LABELS added to the SCOTT AIR-PAK NxG...

  • Page 37: Cautions And Limitations

    FARE AGENTS TO AVOID POSSIBILITY OF AGENT PERMEATION. S--SPECIAL OR CRITICAL USER'S INSTRUCTIONS EXCEPT AS NOTED HEREIN, ALL MODELS OF THE SCOTT NxG ARE APPROVED FOR RESPIRATORY PRO- TECTION DURING ENTRY INTO OR ESCAPE FROM OXYGEN DEFICIENT ATMOSPHERES, GASES AND VAPORS, AT TEMPERATURES ABOVE -25°...
  • Page 38 NOTES...
  • Page 39 NOTES...
  • Page 40 Health & Safety Products Monroe Corporate Center PO Box 569 Monroe, NC 28111 Telephone 1-800-247-7257 FAX (704) 291-8330 www.scotthealthsafety.com P/N 595043-01 Rev C 3/06 Printed in USA...

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