6.3.3The portable refillable container shall have a 1/2 in ACME thread. 3. SAE J2788HFC-134a (R-134a) Recovery/Recycling Equipment and Recovery/Recycling/Recharging for Mobile Air-Conditioning Systems. A 1% SP-1000 on Carbopack B (60/80 mesh) column may be used for the analysis. The sample method fixture, defined in Figure 1 to Appendix A, shall be operated at 21 C. Which document calls for production controls on cfc and hcfc? 6.2.2Standard contaminated CFC-12 refrigerant, 13.6 Kg sample size, shall consist of liquid CFC-12 with 100 ppm (by weight) moisture at 21 C and 45,000 ppm (by weight) mineral oil 525 suspension nominal and 770 ppm (by weight) of noncondensable gases (air). 8.1.3The high moisture contaminated sample shall consist of CFC-12 vapor with 1000 ppm (by weight) moisture. If rust is found on refrigerant recovery cylinders -should be redueced to 0 psig To attain high efficiency, the motor has been designed to have very small rotational losses. 8. 2)low refrig. Check and record the weight of the machine. How much can be a paid to a person supplying information that leads to a penalty against a technician who is intentionally venting? 7.5.2All flexible hoses and fittings must meet SAE J2196 (for CFC-12) and SAE J2197 (for HFC-134a). 8.8Determination of Percent Lubricant 8.8.1 The amount of lubricant in the recycled HFC-134a sample shall be determined via gravimetric analysis. This test procedure and its requirements are to be used to determine the ability of the recycling equipment to adequately recycle contaminated refrigerant. as what? Sample amounts are not to exceed 1.13 kg with sample amounts to be repeated every 5 minutes. The only permitted engine operation is as specified in 7.1. 8.2.3Following the preconditioning procedure per section 8.2.2, 18.2 kg of standard contaminated HFC-134a are to be processed by the equipment at each stable ambient temperature of 10, 21, and 49 C. 6.3.1The container color must be gray with yellow top to identify that it contains used CFC-12 refrigerant. 6.1The equipment manufacturer must provide operating instructions, necessary maintenance procedures, and source information for replacement parts and repair. A Propak Q column at 130 C and a hot wire detector may be used for analysis. Extensive field testing with the EPA and the auto industry indicate that reuse of R-12 removed from mobile air-conditioning systems can be considered, if the refrigerant is cleaned to a specific standard. 10.3.3 A weighed sample of 175 to 225 g of liquid refrigerant/lubricant is allowed to evaporate at room temperature. 7.6.2The equipment must be provided with some means, such as a lockout device, which will prevent initiation of the recovery operation after switching to the other refrigerant, if the lubricant has not been drained from the oil separator. Before transferring recycled refigerant into an empty storage cylinder, the cylinder should first be To ensure that recovery cylinders are not filled above 80% of their capacity and the safe filling capacitythis can be controlled by, -mechanical float devices -fined 27,500 7.3.3The pressure relief device shall comply with the Pressure Relief Device Standard Part 1Cylinders for Compressed Gases, CGA Pamphlet S-1.1. 1)Type of freon 2)How big system is (tons) 3)direction of flow, 1)improper air flow (bad fan,filter) 2)low refrigerant 3)stuck closed contactor. The following statement shall be in the operating manual: Caution: HFC-134a service equipment or vehicle A/C systems should not be pressure tested or leak tested with compressed air. c. Refrigerant Recharging Equipment Only. a accumulator is located in a _ ac system? (1) Any person who owns approved refrigerant recycling equipment certified under 82.36(a)(2) must maintain records of the name and address of any facility to which refrigerant is sent. 7.4.1.2The pressure relief device shall comply with the Pressure Relief Device Standard Part 1Cylinders for Compressed Gases, CGA Pamphlet S-1.1. If a mass flow system is used for charge determination, it must maintain accuracy equal to the 15 g (0.50 oz) specification. Captures refrig. what readings are read on a compound pressure gauge? hUYH+/e =(vV|0RV aD(TDR% e'9bX4&98sI8%NSd i/Q?m.c;E C l`8>jjVaKGZrMb/x?uHAqahuU-Z|:tEL!$pU{tyB|olQA%179+uAIqV'J0 zuGC-6q/@F.6lef]GN= =E&s[mlq7]Abr]T^/K\e.po izQMY;; Tech A says that an out of round drum can cause a pulsating brake pedal. 8.9.5The equipment shall be capable of charging refrigerant into systems with various lubrication types and shall deliver less than 1% by weight residual oil during system charge if the machine permits oil charging with refrigerant (due to residual oil in the service hoses and recovery unit refrigerant circuit from prior recovery, diagnostics and oil injection. The color of the container must be blue with a yellow top to indicate the container holds used HFC-134a (R-134a) refrigerant. (2) That the organization has no conflict of interest and will receive no financial benefit based on the outcome of certification testing; and. (b) Applications for approval must document the following: (1) That the organization has the capacity to accurately test whether refrigerant recycling equipment complies with the applicable standards. If the recovery equipment has automatic closing valves, be sure they are properly operating. size of pump In any event, approved equipment must be used to extract refrigerant prior to performing any service during which discharge of refrigerant from the motor vehicle air conditioner can reasonably be expected. intervals. 6.2The equipment manufacturer must provide operating instructions, including proper attainment of vehicle system vacuum (i.e., when to stop the extraction process), filter/desiccant replacement, and purging of noncondensable gases (air). The following publications form a part of the specification to the extent specified herein. 8.5.1.34.5 kg (10 lb) of standard contaminated R-12. 7.6.1This statement shall be predominately identified in the equipment service manual. from the top must? SAE J639Safety Standards for Motor Vehicle Refrigerant Vapor Compressions Systems. 4.1The equipment must comply with applicable federal, state, and local requirements on equipment related to the handling of HFC-134a (R-134a) material. ac system HIGH press GAS is found b/t what? 4.3When the manifold gage set is disconnected from the air-conditioning system or when the center hose is moved to another device which cannot accept refrigerant pressure, the gage set hoses should first be attached to the reclaim equipment to recover the refrigerant from the hoses. 6.1Recycled refrigerant should not be salvaged or stored in disposable refrigerant containers. 8.1.1The maximum operating pressure of the equipment shall be determined when recycling CFC-12 while conducting the following tests. The percent lubricant is to be calculated from the weight of the original sample and the residue remaining after the evaporation. The test fixture, depicted in Figure 1, shall be operated at 21 to 24 C (70 to 75 F). -hydropfluoric acid It is not acceptable that the refrigerant removed from a mobile air-conditioning system, with this equipment, be directly returned to a mobile air-conditioning system. 1.1Improved refrigerant recovery equipment is required to ensure adequate refrigerant recovery to reduce emissions and provide for accurate recharging of mobile air conditioning systems. 7.3.5If the machine is designed for recharging, and the marketer permits use of a non-refillable refrigerant tank, the machine shall include a way to ensure refrigerant remaining in the tank (called the heel) to no more than 2% of tank rated capacity when the tank is indicated to be empty. What must you do when disposing of an empty/near empty DISPOSABLE cylinder? (H) Owners or lessees of recycling or recovery equipment having their places of business in Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming must send their certifications to: CAA section 609 Enforcement Contact, EPA Region VIII, Mail Code 8ENF-T, 999 18th Street, Suite 500, Denver, CO 80202-2466. after the date? 4.1.4Transfer of recycled refrigerantRecycled refrigerant for recharging and transfer shall be taken from the liquid phase only. The fixture system shall be powered by an electric motor, run at a speed not to exceed 2000 rpm, and for this test option, no system warm-up or equivalent procedure may be used. Reconnect service hoses to the test vehicle. Available from Compressed Gas Association, 4221 Walney Road, 5th Floor, Chantilly, VA 20151-2923, Tel: 703-788-2700, http://www.cganet.com. What are the penalties for a service technician who violates provisions of the clean air act? Operation manuals must cover information for complete maintenance of the equipment to assure proper operation. Used lubricant should be discarded per applicable federal, state and local requirements. The test is as follows: a. e. Weigh the tank on a scale accurate to plus/minus 3 grams. ac system HIGH press LIQUID is found b/t what? 8.8Quantitative Determination of Moisture. -refrigerant MUST be recovered -attached to recovery unit & remove -once reduced from pressure to a vaccum, mark empty and ready for disposal. 8.4.2Following the preconditioning procedure per 8.4.1, 18.2 kg (40 lb) of standard contaminated HFC-134a are to be processed by the equipment. recov. 6.3.2Portable refillable containers used in conjunction with this equipment must meet applicable DOT Standards. 6.3Portable refillable containers used in conjunction with this equipment must meet applicable DOT standards. 4.4.1The equipment shall either automatically purge noncondensables (NCGs) if the acceptable level is exceeded or incorporate a device that indicates to the operator the NCG level has been exceeded. 3.4The equipment shall have a label, which states, Certified by (Certifying Agent) to Meet SAE J2788 superseding SAE J2210 in bold-type letters a minimum of 3 mm (1/8 in) in height. 7.1.1The equipment shall be capable of removing a minimum of 95.0% of the refrigerant from the test system in 30 minutes or less, without external heating, or use of any device (such as shields, reflectors, special lights, etc.) pump should be ablr to pull _ microns or _ hg of vac. To reduce the emissions of CFCs, the 1990 Clean Air Act requires recycle of CFC-12 (R-12) used in mobile air-conditioning systems to eliminate system venting during service operations. Restricting the equipment to use of non-refillable tanks eliminates compliance with this provision. Such equipment extracts and recycles refrigerant or extracts refrigerant for recycling on-site or reclamation off-site. 4. No parts may be added and/or relocated from the OE position in the 2005-07 Suburban. 7.3Portable refillable tanks or containers used in conjunction with this equipment must be labeled HFC-134a (R-134a), meet applicable Department of Transportation (DOT) or Underwriters Laboratories (UL) Standards, and shall incorporate fittings per SAE J2197. located on a cooling tower? Unless otherwise indicated, the latest revision of SAE publications shall apply. chill. A Porapak Q column at 130 C (266 F) and a hot wire detector are to be used for the analysis. The vehicle system's service valve cores must remain in the fittings for this procedure. 6.3.2The portable refillable container shall have a SAE 3/8 inch flare male thread connection as identified in SAE J639 CFC-12 High Pressure Charging Valve Figure 2. Technicians whose certification is revoked must be recertified before servicing or repairing any motor vehicle air conditioners. Place machine on a platform scale with the capacity to weigh the recovery/recycle/recharge machine, and with the resolution and accuracy of within 3 g (.006 lb) in the range of the machine's weight. ac system HIGH press GAS is found b/t what? 7.4.1During operation, the equipment must provide overfill protection to assure that during filling or transfer, the tank or storage container cannot exceed 80% of volume at 21.1 C of its maximum rating as defined by DOT standards, 49 CFR 173.304 and American Society of Mechanical Engineers. What must you NEVER pressurize a system with? 7.3Start the timer. 8.5.1.41 kg (2.2 lb) of high moisture contaminated R-12. What must be located within 12" (30 cm) of the end of a service hose? Test Procedure A at 21 C to 24 C (70 F to 75 F). The ability of the equipment to meet the refrigerant recovery and recharge specifications of this section shall be determined by the test procedures of Section 10. 3.5Label RequirementsThe equipment shall have a label Designed Certified by (Company Name) to meet EPA requirements for use only with (the applicable refrigerant). 8.9.4This test shall be conducted at 10 and 49 C (50 and 120 F) and may be performed in conjunction with the testing defined in 8.6. To see procedures for each state Check with the DOT and EPA for special shipping procedures to be followed in each state based on the CLASSIFICATION of used refrigerant. In order to service small appliances, a tech. SAE J2196Service Hoses for Automotive Air-Conditioning (fittings modified). Contaminated CFC-12 samples shall be processed at ambient temperatures of 10 and 49 C. 5.2The equipment must prominently display the manufacturer's name, address and any items that require maintenance or replacement that affect the proper operation of the equipment. The refrigerant in this document shall have been directly removed from, and intended to be returned to, a mobile air-conditioning system. CFR 49, Section 173.304ShippersGeneral Requirements for Shipments and Packagings. (3) Unless any such person repairing or servicing an MVAC-like appliance has been properly trained and certified by a technician certification program approved by the Administrator pursuant to either 82.40 or 82.161(a)(5). a liquid receiver is located in a _ ac system? Prior to recharging a system with recycled refrigerant, the refrigerant should be checked for? What are the penalties for a service technician who violates provisions of the clean air act? The Chlorine atom can destroy as many as 100,000 ozone molecules. If the machine has recovered the minimum of 95.0% within the 30.0 minutes, the next test shall be performed. Record weight of machine in as weight A. -refrigerant oil of refrig manuf. In particular, applications must document: (i) The equipment present at the organization that will be used for equipment testing; (ii) The expertise in equipment testing and the technical experience of the organization's personnel; (iii) Thorough knowledge of the standards as they appear in the applicable appendices of this subpart; and. -attach cylinder to the recovery unit What refrigerant is in 93 and older vehicles? 6.1.5The cylinder valves shall comply with the standard for cylinder valves UL 1769. (2) Test subject material. The Chlorine atom can destroy as many as 100,000 ozone molecules. Who is correct? of refrig manuf. Safety precautions or notices or labels related to the safe operation of the equipment shall also be prominently displayed on the equipment and should also state CAUTIONSHOULD BE OPERATED BY CERTIFIED PERSONNEL. The safety identification shall be located on the front near the controls. (b) Effective November 15, 1992, no person may sell or distribute, or offer for sale or distribution, any class I or class II substance that is suitable for use as a refrigerant in motor vehicle air-conditioner and that is in a container which contains less than 20 pounds of such refrigerant to any person unless that person is properly trained and certified under 82.40 or intended the containers for resale only, and so certifies to the seller under 82.42(b)(3). 7.9The equipment should be compatible with leak detection material that may be present in the mobile AC system. This standard does not apply to equipment used for CFC-12 and HFC-134a having a common enclosure with separate circuits for each refrigerant. -heart irregularities If the vehicle system has pressure, additional recovery operation is required to remove the remaining refrigerant. The test system for qualifying shall be a 1.4 kg (3.0 lbs) capacity orifice tube/accumulator system in a 2005 Chevrolet Suburban with front and rear A/C, or the test option described in 10.5, and shall be determined by accurately weighing the recovery machine with the resolution and accuracy of within 3 g (.006 lb) in the range of the machine's weight. -electrong shut-offs or 5. SAE J1739Potential Failure Mode and Effects Analysis in Design (Design FMEA) and Potential Failure Mode and Effects Analysis in Manufacturing and Assembly Processes (Process FMEA) and Effects Analysis for Machinery (Machinery FMEA). Air, with (i) Motor vehicle disposal facility means any commercial facility that engages in the disposal (which includes dismantling, crushing or recycling) of MVACs or MVAC-like appliances, including but not limited to automotive recycling facilities, scrap yards, landfills and salvage yards engaged in such operations. What must a recover device made after nov. 15 1993 be capable of if compressor in system is working? process refrigerant to a level equal to new product specs as determined by chemical analysis. If you knew the answer, click the green Know box. (vi) For equipment that recovers and recycles HFC-134a and CFC-12 refrigerant using common circuitry, it was initially purchased before March 6, 1996. The equipment must include a provision for checking the accuracy, per the requirements of 9.1. Use only new lubricant to replace the amount removed the recycling process. 5.2The equipment must prominently display the manufacturer's name, address, the type of refrigerant it is designed to extract (R-134a), a service telephone number, and any items that require maintenance or replacement that affect the proper operation of the equipment.