Sae-j639

SAE J639. December 1, 2011. Safety Standards for Motor Vehicle Refrigerant Vapor Compression Systems. This SAE Standard applies to refrigerant vapor compression …

Sae-j639. Feb 8, 2024 · Also, the use conditions for HFC-152a, R-744 (CO 2) and HFO-1234yf require compliance with SAE J639, which specifies the markings required on labels, but not unique label colors. These refrigerants are not included in the table below and must be labeled in accordance with SAE J639.

Direct-Fit TM16 A/C Compressor SAE-J639 488-46125 24 VOLT 8 GROOVE. acpartsguys (6992) 98.8% positive; Seller's other items Seller's other items; Contact seller; US ...

Apr 26, 2023 · Daewoo Engine A15MF 1,5cc Petrol S.A.E J639 air conditioner compressor used in good condition. Codes : S.A.E J639. IMPORTANT NOTE : The Above air conditioner compressor always is Tested. SEE CAREFULLY THE ABOVE PHOTOS CONCERNIG THE OEM NUMBERS.SAE J 639-2011 (SAE J639-2011) Safety Standards for Motor Vehicle Refrigerant Vapor Compresssion Systems. This SAE Standard applies to refrigerant vapor compression systems that provide cooling and/or heating for passenger cars, light trucks and commercial vehicles (on and off road) that use automotive type mobile air conditioning (MAC) systems.Standard: J639; Revised: 1991-11-01; Revision: Historical.Access the latest revision: J639_201112; Issuing: Interior Climate Control Steering Committee; Scope: This SAE Standard applies to refrigerant vapor compression systems that provide cooling and/or heating for passenger cars, light trucks and commercial vehicles (on and off road) that …This SAE Standard applies to refrigerant vapor compression systems that provide cooling and/or heating for passenger cars, light trucks and commercial vehicles (on and off road) that use automotive type mobile air conditioning [MAC] ... Browse Standards J639_199111. Historical REVISED 1991-11-01.Jan 11, 2020 · Anotácia textu normy SAE J639 : This SAE Standard applies to refrigerant vapor compression systems that provide cooling and/or heating for passenger cars, light trucks, and commercial vehicles (on and off road) that use automotive type mobile air conditioning (MAC) systems.

I'm getting ready to overhaul my AC system on a 2000 S10 Ext cab with a 4.3, I ordered a Delphi compressor to replace my old one, along with a new drier, condensor, and orphise tube. I know I wil have to add some oil even though it was shipped with oil, since I'm replacing all the other parts too. All the new compressor says is SAE J639 ...May 8, 2019 · SAE J639. Special design of the sleeve to avoid accidental disconnections. New design (bigger knob, better grip, anodized body) ... Descriptive Code F ACR M14X1.5 90 J639 R134A F ACB M14X1.5 90 ...Feb 8, 2024 · Also, the use conditions for HFC-152a, R-744 (CO 2) and HFO-1234yf require compliance with SAE J639, which specifies the markings required on labels, but not unique label colors. These refrigerants are not included in the table below and must be labeled in accordance with SAE J639. Refrigerant SAE International is a global professional association and standards organization based in Warrendale, Pennsylvania, United States.Formerly the Society of Automotive Engineers, the organization adopted its current name in 2006 to reflect both its international membership and the increased scope of its activities beyond automotive engineering and the automotive industry to include aerospace and ... Nov 4, 2014 · Lists HFO-1234yf as acceptable, subject to use conditions, for MVAC systems in certain nonroad vehicles. Adopts the current versions of the industry standards SAE J639, SAE J1739, and SAE J2844 in the use conditions for the proposed listings of HFO-1234yf in nonroad vehicles and previous listings for certain onroad vehicles.refrigeration flare fittings have been an industry standard. In April 1953, SAE J639 provided standards for system service access fittings currently used by the automotive and commercial industry. To prevent mis-connections, SAE J639 was revised in the 70’s to provide different size system service connections on CFC-12 mobile A/C systems.Jun 28, 2023 · Direct-Fit TM16 A/C Compressor SAE-J639 488-46125 24 VOLT 8 GROOVE. acpartsguys (6992) 98.8% positive; Seller's other items Seller's other items; Contact seller; US $297.97. or Best Offer. No Interest if paid in full in 6 mo on $99+ with PayPal Credit * Condition: New New. Quantity: 3 available. Buy It Now.The WEH® TW108 Filling Connector is a good reasonably priced alternative to the WEH® TW110 for leak-tight filling and evacuating during maintenance work of automotive AC equipment acc. to SAE J639. Just push to connect and the pressure-tight connection to the external diameter Ø 13 of beads is established.

Dec 19, 2011 · Find the most up-to-date version of J639_201112 at GlobalSpec. UNLIMITED FREE ACCESS TO THE WORLD'S BEST IDEAS. SIGN UP TO SEE MORE. First Name. ... SAE International - J639_201112 Safety Standards for Motor Vehicle Refrigerant Vapor Compression Systems active Buy Now. Details. History. References Organization:Die Annotation des Normtextes SAE J639 : This SAE Standard applies to refrigerant vapor compression systems that provide cooling and/or heating for passenger cars, light trucks, and commercial vehicles (on and off road) that use automotive type mobile air conditioning (MAC) systems. Large trucks, buses, and other vehicles that do not use ...High Side R-1234yf Quick Coupler - SAE Specification | Robinair. Visit us - Automechanika Frankfurt. Automechanika – Frankfurt. 10-14 September 2024. Hall 9.0 Booth C20. Loading... SP01100524.HFO-1234yf MVAC systems must adhere to all of the safety requirements of SAE J639 (adopted 2011), including requirements for a flammable refrigerant warning label, high-pressure compressor cutoff switch and pressure relief devices, and unique fittings.

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HFC-152a is an A2 flammable refrigerant as classified by ASHRAE 34 and should be used only with a secondary loop application. However, until MAC systems are developed to use R-152a (HFC-152a), no SAE Standards for system design, service equipment or service procedures have been established.Sae J639 | PDF. O Scribd é o maior site social de leitura e publicação do mundo.Jun 25, 2019 · SAE J639 requires an assement to be performed to minimize reasonable risks in MAC systems. The evaporator (as designed and manufactured) shall be part of that risk assessment, and it is the responsibility of the vehicle manufacturer to assure all relevant aspects of the evaporator are included.states refer to SAE J639, “Safety Standards for Motor Vehicle Refrigerant Vapor Compression Sys tems” in various laws and regulations. MACS acknowledges and thanks the U.S. EPA, SAE International, and the indus try’s many manufacturers and sup - pliers who allowed their data and products to appear in this manual.Jun 25, 2019 · SAE J639 requires an assement to be performed to minimize reasonable risks in MAC systems. The evaporator (as designed and manufactured) shall be part of that risk assessment, and it is the responsibility of the vehicle manufacturer to assure all relevant aspects of the evaporator are included.Join our crew as we find new adventures in the waters of Scotland. Join our crew as we find new adventures across Scotland. Dive into freezing cold rivers to awaken the soul, and w...

Apr 25, 2024 · High Side R-1234yf Quick Coupler - SAE Specification | Robinair. Visit us - Automechanika Frankfurt. Automechanika – Frankfurt. 10-14 September 2024. Hall 9.0 Booth C20. Loading... SP01100524.Jun 28, 2023 · Direct-Fit TM16 A/C Compressor SAE-J639 488-46125 24 VOLT 8 GROOVE. acpartsguys (6992) 98.8% positive; Seller's other items Seller's other items; Contact seller; US $297.97. or Best Offer. No Interest if paid in full in 6 mo on $99+ with PayPal Credit * Condition: New New. Quantity: 3 available. Buy It Now.Dec 15, 2023 · HFO-1234yf MVAC systems must adhere to all of the safety requirements of SAE J639, including requirements for a flammable refrigerant warning label, high-pressure compressor cutoff switch and pressure relief devices, and unique fittings. For connections with refrigerant containers for use in professional servicing, ...The purpose of this SAE Recommended Practice is to provide criteria for determining the acceptability of candidate retrofit refrigerants to replace CFC-12 (R-12) in mobile A/C systems originally... View All. Find the most up-to-date version of J639_202011 at GlobalSpec.SAE J2012DA, edition, 2024 – Digital Annex of Diagnostic Trouble Code Definitions and Failure Type Byte Definitions. The J2012 Digital Annex of Diagnostic Trouble Code Definitions Spreadsheet provides DTC information in an excel format for use in your organization’s work processes. The column headings include the same information as ... SAE J639, “Safety Standards for Motor Vehicle Refrigerant Vapor Compression Systems” in various laws and regulations. MACS Worldwide acknowledges and thanks the U.S. EPA, SAE International, and the industry’s many manufacturers and suppliers who allowed their data and products to appear in this manual. (812) 309-78-59 (495) 223-46-76. Обозначение. НаименованиеApr 26, 2024 · sae j639-2020的发布历史信息,目的:本 sae 推荐做法仅限于由车辆或辅助发动机驱动的机械蒸汽压缩制冷系统,因为所有目前已知或提议的涉及任何安全问题的乘客室冷却系统都属于该类型。无意限制用于客舱冷却的其他类型制冷系统的使用或进一步开发。item 8 Seltec TM16 A/C Compressor SAE-J639 488-46125 24 VOLT 8 GROOVE Seltec TM16 A/C Compressor SAE-J639 488-46125 24 VOLT 8 GROOVE. $387.97. Free shipping. Best Selling in A/C Compressors & Clutches. Current slide {CURRENT_SLIDE} of {TOTAL_SLIDES}- Best Selling in A/C Compressors & Clutches. A/c Compressor-lt VIN …SAE J639 requires an assement to be performed to minimize reasonable risks in MAC systems. The evaporator (as designed and manufactured) shall be part of that risk assessment, and it is the responsibility of the vehicle manufacturer to assure all relevant aspects of the evaporator are included.SAE J639 requires vehicle manufacturers to perform assessments to minimize reasonable risks in production MAC systems. The evaporator (as designed and manufactured) shall be part of that risk assessment and it is the responsibility of the vehicle manufacturer to assure all relevant aspects of the evaporator are included.Mar 1, 1999 · Find the most up-to-date version of J639_199903 at GlobalSpec. UNLIMITED FREE ACCESS TO THE WORLD'S BEST IDEAS. SIGN UP TO SEE MORE. First Name. ... SAE International - J639_199903 Safety and Containment of Refrigerant for Mechanical Vapor Compression Systems Used for Mobile Air-conditioning Systems active Buy Now.

Original standard AS ISO IEC 6523.2-2005 in PDF full version. Additional info + preview on request. €35. Buy St SAE J639-2020 | Delivery English version: 1 business day | Price: 35 USD | Document status: Active | ️ Translations ️ Originals ️ Low prices ️ PDF by email.

HFO-1234yf MVAC systems must adhere to all of the safety requirements of SAE J639 (adopted 2011), including requirements for a flammable refrigerant warning label, high-pressure compressor cutoff switch and pressure relief devices, and unique fittings.Published: Aug 5, 2022. Federal, state and local regulations govern proper procedures for recovering, recharging and recycling R-134a motor vehicle air conditioning (A/C) refrigerant. You can find relevant details specific to a vehicle’s refrigerant requirements on the sticker under a vehicle’s hood. The label shows refrigerant type and ...When it comes to tapping holes for SAE (Society of Automotive Engineers) threads, selecting the correct drill size is crucial. The drill size determines the thread’s depth and ensu...Apr 25, 2020 · INTERCHANGE > SAE J639 ACR-ACBSERIES MAIN APPLICATIONS TECHNICAL FEATURES AND OPTIONS BENEFITS • New design (bigger knob, better grip, anodized body) • Compact size ... F ACB M12 90 J639 R1234YF Female Red Female Blue Descriptive Code Model for refrigerant HFO1234YF - NOT CONFORMING VDA …Feb 4, 2011 · This SAE Standard covers fittings, couplers, and hoses intended for connecting service hoses from mobile air- conditioning Systems to service equipment such as charging, recovery and recycling equipment. (Figure 1) This specification covers service hose fittings and couplers for MAC service equipmeDocument Number. J639_202011. Revision Level. 2020 EDITION. Status. Current. Publication Date. Nov. 9, 2020Once you've surpassed a goal, it's time to speak up. By clicking "TRY IT", I agree to receive newsletters and promotions from Money and its partners. I agree to Money's Terms of Us...

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In April 1953, SAE J639 provided standards for system service access fittings currently used by the automotive and commercial industry. To prevent mis-connections, SAE J639 was revised in the 70s to provide different size system service connections on CFC-12 mobile A/C systems. The use of different high and low refrigeration service access ...COLUMBIA CORPORATE INCOME FUND INSTITUTIONAL 2 CLASS- Performance charts including intraday, historical charts and prices and keydata. Indices Commodities Currencies StocksSAE J1694_201204 - Remanufactured Hydraulic Master Cylinder for Motor Vehicle Brakes - Performance Requirements (Stabilized: Apr 2012) 상세보기 SAE J576_201708 - Plastic Material or Materials for Use in Optical Parts Such as Lenses and Reflex Reflectors of Motor Vehicle Lighting Devices 상세보기. SAE J447_201604 - Prevention of Corrosion of …Feb 4, 2011 · Technician training is required to ensure that recommended procedures are used for service and repair of Mobile Air Conditioning (MAC) systems using R-744 and/or R-1234yf. Unique requirements for each refrigerant are detailed within this standard. Technicians may be trained in either or both refrigeFeb 19, 2021 · Also, the use conditions for HFC-152a, R-744 (CO 2) and HFO-1234yf require compliance with SAE J639, which specifies the markings required on labels, but not unique label colors. These refrigerants are not included in the table below and must be labeled in accordance with SAE J639. Refrigerant. Label Color. CFC-12. White.refrigeration flare fittings have been an industry standard. In April 1953, SAE J639 provided standards for system service access fittings currently used by the automotive and commercial industry. To prevent mis-connections, SAE J639 was revised in the 70’s to provide different size system service connections on CFC-12 mobile A/C systems.Jul 10, 2017 · SAE J1694_201204 - Remanufactured Hydraulic Master Cylinder for Motor Vehicle Brakes - Performance Requirements (Stabilized: Apr 2012) 상세보기 SAE J639_201112 - Safety Standards for Motor Vehicle Refrigerant Vapor Compressions Systems 상세보기. SAE J576_201708 - Plastic Material or Materials for Use in Optical …This standard covers any vehicle with a MAC system using a belt or electric motor driven compressor. This document provides standards for design, assembly, test and service of …SAE J639. Safety Standards for Motor Vehicle Refrigerant Vapor Compression Systems. Translate name. STANDARD published on 1.12.2011. Language. English. Format. electronic design (pdf) - 133.80 USD. Sae j639 compressor are made from material like brass. Once you've found your ideal items of sae j639 compressor, don't forget to also shop for complementary items from Air-conditioning Installation, Special Disassembly Tool, A/C Compressor & Clutch and Pneumatic Parts to make the most of your time on AliExpress! ….

Feb 4, 2011 · This SAE Standard provides manufacturers, testing facilities and providers of technician training with a procedure for certifying compliance with the appropriate standards. Manufacturers who advertise their products as Certified to an SAE J standard shall follow this procedure. Certification of a prDec 1, 2011 · This SAE Standard applies to refrigerant vapor compression systems that provide cooling and/or heating for passenger cars, light trucks and commercial vehicles (on and off road) that use automotive type mobile air conditioning [MAC] systems. Find many great new & used options and get the best deals for Harrison A/c Compressor & Clutch GM 1134328 SAE J639 / Code No 052451 Chevy GMC at the best online prices at eBay! Free shipping for many products! Skip to main content. Shop by category. Shop by category. Enter your search keyword. Advanced: Daily Deals; Brand ...Dec 15, 2023 · HFO-1234yf MVAC systems must adhere to all of the safety requirements of SAE J639, including requirements for a flammable refrigerant warning label, high-pressure compressor cutoff switch and pressure relief devices, and unique fittings. For connections with refrigerant containers for use in professional servicing, ...Jan 6, 2019 · SAE J639 requires an assement to be performed to minimize reasonable risks in MAC systems. The evaporator (as designed and manufactured) shall be part of that risk assessment, and it is the responsibility of the vehicle manufacturer to assure all relevant aspects of the evaporator are included.safety practices for mechanical vapor compression refrigeration equipment or systems used to cool passenger compartment of motor vehicles j639_198701 – available for purchase at $79.00.Document Number. J639_202011. Revision Level. 2020 EDITION. Status. Current. Publication Date. Nov. 9, 2020Jul 10, 2017 · SAE J1694_201204 - Remanufactured Hydraulic Master Cylinder for Motor Vehicle Brakes - Performance Requirements (Stabilized: Apr 2012) 상세보기 SAE J639_201112 - Safety Standards for Motor Vehicle Refrigerant Vapor Compressions Systems 상세보기. SAE J576_201708 - Plastic Material or Materials for Use in Optical …May 17, 2020 · GOWE for TM15 RV Freightliner FC70 FS65 FL50 ?A/C Compressor SAE-J639 20-45011 2521152 435-55011 488-45011 10045011 58621 Z0006347A. Share: Found a lower price? Let us know. Although we can't match every price reported, we'll use your feedback to ensure that our prices remain competitive. Where did you see a lower price? … Sae-j639, This standard may be used by regulatory authorities to establish environmental, health, and safety requirements. Requirements and dimensions for the refrigerant-specific access ports, internal valve core, and sealing cap which were previously listed in SAE J639 are included. New requirements not previously listed in SAE J639 are also included., Delphi AC Compressor SAE J 639. About this product. Product Identifiers. Brand. Delphi. Manufacturer Part Number. SAEJ639. eBay Product ID (ePID) 1427625604. …, Feb 8, 2024 · Also, the use conditions for HFC-152a, R-744 (CO 2) and HFO-1234yf require compliance with SAE J639, which specifies the markings required on labels, but not unique label colors. These refrigerants are not included in the table below and must be labeled in accordance with SAE J639. Refrigerant, New A/C Compressor This part meets or exceed Manufacturers specifications. Built To OEM Specifications and better cooling and stronger Clutch assy. COMP TM-16HS EAR V ORG 2AG 135 3E 12V B 1W 10046011, 43556011, Z0006398A, 48846011, 502-220A, 103 56030, ZXL100PG, DS102139, The WEH® TW108 Filling Connector is a good reasonably priced alternative to the WEH® TW110 for leak-tight filling and evacuating during maintenance work of automotive AC equipment acc. to SAE J639. Just push to connect and the pressure-tight connection to the external diameter Ø 13 of beads is established., DELPHI A/C Compressor Part Numbers. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Easy to use parts catalog., Oct 27, 2022 · states refer to SAE J639, “Safety Standards for Motor Vehicle Refrigerant Vapor Compression Sys tems” in various laws and regulations. MACS acknowledges and thanks the U.S. EPA, SAE International, and the indus try’s many manufacturers and sup - pliers who allowed their data and products to appear in this manual., Buy GOWE for TM15 RV Freightliner FC70 FS65 FL50 ?A/C Compressor SAE-J639 20-45011 2521152 435-55011 488-45011 10045011 58621 Z0006347A: Compressors - Amazon.com FREE DELIVERY possible on eligible purchases, Seltec TM15 RV A/C Compressor for Freightliner NEW SAE-J639 435-56059. Free shipping. Seltec Freightliner RV 22-51980-000 TM15HS A/C Compressor NEW SAE-J639. Free shipping., The sticker is governed by SAE Standard J639, which provides safety and design standards for automotive air conditioning refrigerant systems. Technicians must check the vehicle’s sticker before servicing the vehicle. Failure to check the sticker could void the refrigerant recovery machine’s warranty and significantly increase the chances of ..., SAE J 639-2011 (SAE J639-2011) Safety Standards for Motor Vehicle Refrigerant Vapor Compresssion Systems. This SAE Standard applies to refrigerant vapor compression systems that provide cooling and/or heating for passenger cars, light trucks and commercial vehicles (on and off road) that use automotive type mobile air conditioning (MAC) systems. , Document Number. J639_201112. Revision Level. 12/2011 EDITION. Status. Superseded. Publication Date. Dec. 19, 2011. Page Count. 25 pages, This SAE Standard covers fittings, couplers, and hoses intended for connecting service hoses from mobile air- conditioning Systems to service equipment such as charging, recovery and recycling equipment. (Figure 1) This specification covers service hose fittings and couplers for MAC service equipme, When it comes to working with SAE (Society of Automotive Engineers) taps, one of the crucial factors that often gets overlooked is the choice of drill size. The drill size used for..., Safety and Design Standards for Motor Vehicle Refrigerant Vapor Compression Systems J639_202011. This SAE Standard applies to refrigerant vapor …, Buy GOWE for TM15 RV Freightliner FC70 FS65 FL50 ?A/C Compressor SAE-J639 20-45011 2521152 435-55011 488-45011 10045011 58621 Z0006347A: Compressors - Amazon.com FREE DELIVERY possible on eligible purchases, 1. SCOPE. This SAE Standard applies to refrigerant vapor compression systems that provide cooling and/or heating for passenger cars, light trucks, and …, SAE J639, “Safety Standards for Motor Vehicle Refrigerant Vapor Compression Systems” in various laws and regulations. MACS Worldwide acknowledges and thanks the U.S. EPA, SAE International, and the industry’s many manufacturers and suppliers who allowed their data and products to appear in this manual. , SAE J639, J2888 and J2911 certified Quick, easy connect/disconnect. Contact for Purchase. Download Image Email Info Print FEATURES. Couplers interface with R1234yf service ports. 12mm female thread. SAE J639, J2888 and J2911 certified. Quick, easy connect/disconnect. UPCs. UPC# Description. 41441. High-side x 12mm ..., Find many great new & used options and get the best deals for Delphi AC Compressor SAE J 639 at the best online prices at eBay! Free shipping for many products!, Feb 4, 2011 · HFC-152a is an A2 flammable refrigerant as classified by ASHRAE 34 and should be used only with a secondary loop application. However, until MAC systems are developed to use R-152a (HFC-152a), no SAE Standards for system design, service equipment or service procedures have been established. , Neaktuálna SAE J639 1.12.2011 - Safety Standards for Motor Vehicle Refrigerant Vapor Compression Systems, Feb 4, 2011 · Mobile air conditioning (MAC) systems used in passenger cars and light duty trucks are covered by these SAE Standards when servicing the refrigerant system. Technician training is required to ensure that recommended procedures are used for service and repair of MAC systems using R-12, R-134a, R-1234yf, R-744, and R-152a refrigerants., SAE J1694_201204 - Remanufactured Hydraulic Master Cylinder for Motor Vehicle Brakes - Performance Requirements (Stabilized: Apr 2012) 상세보기 SAE J576_201708 - Plastic Material or Materials for Use in Optical Parts Such as Lenses and Reflex Reflectors of Motor Vehicle Lighting Devices 상세보기. SAE J447_201604 - Prevention of Corrosion of …, Sae J639.pdf. November 2019229. Resumo - Análise Combinatória - Probabilidade.pdf. November 201976. As Sete Igrejas De Apocalips3. November 201976. Our Company. 2008 Columbia Road Wrangle Hill, DE 19720. +302-836-3880., Apr 18, 2024 · Newer vehicles with R-1234yf A/C systems require a special PAG YF 46 or PAG YF 100 compressor oil, which one depends on the compressor and the requirements of the vehicle manufacturer. General Motors recommends GM lubricants only (PAG-PSD1 #19260643 for 2013/14 Cadillac XTS, and PAG-ND12 #19299051 for 2013 Cadillac ATS) …, Apr 26, 2024 · sae j639-2020的发布历史信息,目的:本 sae 推荐做法仅限于由车辆或辅助发动机驱动的机械蒸汽压缩制冷系统,因为所有目前已知或提议的涉及任何安全问题的乘客室冷却系统都属于该类型。无意限制用于客舱冷却的其他类型制冷系统的使用或进一步开发。, SAE J 639 - 2020-11-09 Safety and Design Standards for Motor Vehicle Refrigerant Vapor Compression Systems. Inform now!, Direct-Fit TM16 A/C Compressor SAE-J639 488-46125 24 VOLT 8 GROOVE. acpartsguys (6992) 98.8% positive; Seller's other items Seller's other items; Contact seller; US ..., SAE J639 Revised DEC2011 Page 3 of 25 2.1.1.5 Service Equipment SAE J1990 Recovery and Recycle Equipment for Mobile Automotive Air-Conditioning Systems SAE J2099 Standard of Purity for Recycled R-134a (HFC-134a) and R-1234yf (HFO-1234yf) for Use in Mobile Air-conditioning Systems, Craftsman lawnmowers use SAE 30 oil, which is the standard small engine oil. This is a type of all-purpose oil that can be used in push mowers and riding mowers. Craftsman mowers c..., In April 1953, SAE J639 provided standards for system service access fittings currently used by the automotive and commercial industry. To prevent mis-connections, SAE J639 was revised in the 70s to provide different size system service connections on CFC-12 mobile A/C systems. The use of different high and low refrigeration service access ..., The intent of this standard is to establish a framework to assure that all evaporators for R-744, R-1234yf, and R-445A mobile air conditioning (MAC) systems meet appropriate …