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Environmental Protection Agency Pt. 82, Subpt. B, App. B

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Environmental Protection Agency Pt. 82, Subpt. B, App. B Environmental Protection Agency Pt. 82, Subpt. B, App. B 5.5 If the container pressure is less than Application the Table 1 values and has been recycled, limits of noncondensable gases (air) have not During service of mobile air-conditioning been exceeded and the refrigerant may be systems, containment of the refrigerant is used. important. This procedure provides service guidelines for technicians when repairing ve- 5.6 If the pressure is greater than the hicles and operating equipment defined in range and the container contains recycled SAE J1990. material, slowly vent from the top of the container a small amount of vapor into the Committee Composition recycle equipment until the pressure is less than the pressure shown on Table 1. Developed by the SAE Defrost and Interior 5.7 If the container still exceeds the pres- Climate Control Standards Committee sure shown on Table 1, the entire contents of the container shall be recycled. W.J. Atkinson, Sun Test Engineering, Para- dise Valley, AZ—Chairman 6. Containers for Storage of Recycled J.J. Amin, Union Lake, MI Refrigerant H.S. Andersson, Saab Scania, Sweden 6.1 Recycled refrigerant should not be P.E. Anglin, ITT Higbie Mfg. Co., Rochester, salvaged or stored in disposable refrigerant MI containers. This is the type of container in R.W. Bishop, GMC, Lockport, NY which virgin refrigerant is sold. Use only D.Hawks, General Motors Corporation, Pon- DOT CFR title 49 or UL approved storage tiac, MI containers for recycled refrigerant. J.J. Hernandez, NAVISTAR, Ft. Wayne, IN 6.2 Any container of recycled refrigerant H. Kaltner, Volkswagen AG, Germany, Fed- that has been stored or transferred must be eral Republic checked prior to use as defined in section 5. D.F. Last, GMC, Troy, MI D.E. Linn, Volkswagen of America, Warren, 7. Transfer of Recycled Refrigerant MI 7.1 When external portable containers are J.H. McCorkel, Freightliner Corp., Charlotte, used for transfer, the container must be NC evacuated at least 27 in of vacuum (75 mm C.J. McLachlan, Livonia, MI Hg absolute pressure) prior to transfer of the H.L. Miner, Climate Control Inc., Decatur, recycled refrigerant. External portable con- IL tainers must meet DOT and UL standards. R.J. Niemiec, General Motors Corp., Pontiac, 7.2 To prevent on-site overfilling when MI transferring to external containers, the safe N. Novak, Chrysler Corp., Detroit, MI filling level must be controlled by weight S. Oulouhojian, Mobile Air Conditioning So- and must not exceed 60% of container gross ciety, Upper Darby, PA weight rating. J. Phillips, Air International, Australia 8. Disposal of Empty/Near Empty Containers R.H. Proctor, Murray Corp., Cockeysville, MD 8.1 Since all the refrigerant may not be G. Rolling, Behr America Inc., Ft. Worth, TX removed from disposable refrigerant con- C.D. Sweet, Signet Systems Inc., tainers during normal system charging pro- Harrodsburg, KY cedures, empty/near empty container con- tents should be reclaimed prior to disposal of J.P. Telesz, General Motors Corp., Lockport, the container. NY 8.2 Attach the container to the recovery unit and remove the remaining refrigerant. APPENDIX B TO SUBPART B OF PART 82— When the container has been reduced from a STANDARD FOR RECOVER EQUIPMENT pressure to a vacuum, the container valve can be closed. The container should be SAE J1989, Recommended Service Proce- marked empty and is ready for disposal. dure for the Containment of R–12, as set forth under Appendix A, also applies to this Rationale Appendix B. SAE J2209, issued June, 1992. Not applicable. SAE RECOMMENDED PRACTICE: CFC-12 (R–12) Relationship of SAE Standard to ISO Standard. EXTRACTION EQUIPMENT FOR MOBILE AUTO- Not applicable. MOTIVE AIR-CONDITIONING SYSTEMS Reference Section Foreword SAE J1990, Extraction and Recycle Equip- CFCs deplete the stratospheric ozone layer ment for Mobile Automotive Air-Condi- that protects the earth against harmful ul- tioning Systems traviolet radiation. To reduce the emissions 675 VerDate Mar<15>2010 15:27 Sep 13, 2011 Jkt 223160 PO 00000 Frm 00685 Fmt 8010 Sfmt 8002 Q:\40\40V17.TXT ofr150 PsN: PC150 Pt. 82, Subpt. B, App. B 40 CFR Ch. I (7–1–11 Edition) of CFCs, the 1990 Clean Air Act requires re- 3. Specifications and General Description cycle of CFC-12 (R–12) used in mobile air-con- 3.1 The equipment must be able to extract ditioning systems to eliminate system vent- CFC-12 from a mobile air-conditioning sys- ing during service operations. SAE J1990 es- tem. tablishes equipment specifications for on- 3.2 The equipment discharge or transfer site recovery and reuse of CFCs in mobile fitting shall be unique to prevent the unin- air-conditioning systems. Establishing ex- tentional use of extracted CFC-12 to be used traction equipment specifications for CFC-12 for recharging auto air conditioners. will provide service facilities with equipment 3.3 The equipment shall be suitable for to assure that venting of refrigerant will not use in an automotive service garage environ- occur. ment as defined in 6.8. 1. Scope 3.4 Equipment Certification—The equip- ment must be certified by Underwriters Lab- The purpose of this document is to provide oratories or an equivalent certifying labora- equipment specifications for CFC-12 (R–12) tory to meet this standard. recovery for recycling on-site or for trans- 3.5 Label Requirements—The equipment port off-site to a refrigerant reclamation fa- shall have a label ‘‘Design Certified by (com- cility that will process it to ARI (Air-Condi- pany name) to meet SAE J2209 for use with tioning and Refrigeration Institute) standard CFC-12. The refrigerant from this equipment 700–93 as a minimum. It is not acceptable must be processed to ARI 700–93 specifica- that the refrigerant removed from a mobile tions before reuse in a mobile air-condi- air-conditioning system, with this equip- tioning system.’’ The minimum letter size ment, be directly returned to a mobile air- shall be bold type 3mm in height. conditioning system. This information applies to equipment 4. Safety Requirements used to service automobiles, light trucks, and other vehicles with similar CFC-12 sys- 4.1 The equipment must comply with ap- tems. plicable federal, state and local requirements on equipment related to the handling of R–12 2. References material. Safety precautions or notices or labels related to the safe operation of the 2. Applicable Documents—The following equipment shall also be prominently dis- documents form a part of this specification played on the equipment and should also to the extent specified herein. state ‘‘CAUTION—SHOULD BE OPERATED 2.1.1 SAE Publications—Available from BY CERTIFIED PERSONNEL.’’ The safety SAE, 400 Commonwealth Drive, Warrendale, identification shall be located on the front PA 15096–0001. near the controls. SAE J639—Vehicle Service Coupling 4.2 The equipment must comply with ap- SAE J1990—Extraction and Recycle Equip- plicable safety standards for electrical and ment for Mobile Automotive Air-Condi- mechanical requirements. tioning Systems SAE J2196—Service Hose for Automotive 5. Operating Instructions Air-Conditioning 5.1 The equipment manufacturer must 2.1.2 ARI Publications—Available from provide operating instructions, necessary Air-Conditioning and Refrigeration Insti- maintenance procedures and source informa- tute, 1501 Wilson Boulevard, Sixth Floor, Ar- tion for replacement parts and repair. lington, VA 22209. 5.2 The equipment must prominently dis- ARI 700–93—Specifications for Fluorocarbon play the manufacturer’s name, address and Refrigerants any items that require maintenance or re- 2.1.3 CGA Publications—Available from placement that affect the proper operation CGA, Crystal Gateway #1, Suite 501, 1235 Jef- of the equipment. Operation manuals must ferson Davis Highway, Arlington, VA 22202. cover information for complete maintenance CGA S–1.1—Pressure Relief Device Standard of the equipment to assure proper operation. Part 1—Cylinders for Compressed Gases 6. Functional Description 2.1.4 DOT Specifications—Available from the Superintendent of Documents, U.S. Gov- 6.1 The equipment must be capable of en- ernment Printing Office, Washington, DC suring recovery of the CFC-12 from the sys- 20402. tem being serviced, by reducing the system pressure to a minimum of 102 mm of mercury 49 CFR, Section 173.304—Shippers—General below atmospheric. To prevent system de- Requirements for Shipments and Pack- layed outgassing, the unit must have a de- agings vice that assures that the refrigerant has 2.1.5 UL Publications—Available from Un- been recovered from the air-conditioning derwriters Laboratories, 333 Pfingsten Road, system. Northbrook, IL 60062–2096. 6.1.1 Testing laboratory certification of UL 1769—Cylinder Valves the equipment capability is required which 676 VerDate Mar<15>2010 15:27 Sep 13, 2011 Jkt 223160 PO 00000 Frm 00686 Fmt 8010 Sfmt 8002 Q:\40\40V17.TXT ofr150 PsN: PC150 Environmental Protection Agency Pt. 82, Subpt. B, App. C shall process contaminated refrigerant sam- moved from the system during processing in ples at specific temperatures. 30 ml units. 6.2 The equipment must be preconditioned 6.7.1 The purpose of indicating the with 13.6 kg of the standard contaminated amount of lubricant removed is to ensure CFC-12 at an ambient of 21 °C before starting that a proper amount is returned to the mo- the test cycle. Sample amounts are not to bile air-conditioning system for compressor exceed 1.13 kg with sample amounts to be re- lubrication. peated every 5 minutes. The sample method 6.7.2 Refrigerant dissolved in this lubri- fixture defined in Figure 1 of appendix A cant must be accounted for to prevent sys- shall be operated at 24 °C. Contaminated tem lubricant overcharge of the mobile air- CFC-12 samples shall be processed at ambi- conditioning system.
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