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##Date: 2/17/939301To: Field Service Shops, Welder Service Distributors, Lincoln Service Centers, Motor Warranty Shops,Sales Offices and Agents (USA and Canada)Subject: SERIAL NUMBER LISTINGWELDERS, AUTOMATIC & SEMI AUTOMATICS, MOTORSIMPORTANT CHANGEOn January 1, 1993, all U.S. manufactured products with serial numbers were assigned a NEW serial number format.The new format identifies the country of manufacture, the manufacturing facility in the designated country ofmanufacture, the year of manufacture and the month of manufacture. Please refer to SECTION 1 of this servicenotice for details. Canadian manufactured units will be assigned this new format by mid-1993.IMPORTANT CHANGEFor Canadian manufactured products and all equipment manufactured prior to 1993, please refer to the attachedserial number tables listed in section 2,3, and 5. The attached tables list the serial number assigned to the first weldingmachine or first motor manufactured for that corresponding year. Because monthly production is uniform, bypro-rating, these lists can be used to determine the approximate month of manufacture of a unit.Paul MilkovichService DepartmentThe Lincoln Eelctric CompanyPage 1 of 6
##SECTION 19301Welders & Motors(With Serial Numbers)USA Mfg’d. as of January 1, 1993Canadian Mfg’d. units will convert to the system below in mid-1993. For Canadian manufactured machines manufactured prior to the conversion, Refer to Section 3.Serial numbers are employed on the following equipment:MOTORSAll NEMA MotorsWELDERSEngine DrivenMotor DrivenTransformerSemi-AutomaticFull AutomaticSerial Number Definition:UCountry ofManufacturel930200000Mfrg. Facilityin the sSAMPLE LIST OF CODES FOR THE FIRST TWO CHARACTERS OF SERIAL NUMBERU0 Mentor Plant, Mentor, USAU1 Euclid Plant 1 (EP1), Cleveland, USAExample #1:UlMfg’d. inCleveland, USAEuclid Plant 1930200000Mfg’d.in 1993Mfg’d inFebruaryIncrementingDigitsExample #2:Cl930200121Toronto,CanadaPage 2 of 6
##SECTION ine ANUFACTURED BEFORE JAN. 1. 1993WELDERS(With Serial Numbers)USA Mfg’dSemiMotor 9AC-8176A-176202AC-3747A-157862AC-366A-138383Page 3 of 5FA-73556FA-72668FA-71761FA-709879301
##WELDERS(With Serial Numbers)USA 3719361935193419331932Engine -14007D-12664D-10830D-10000D-9558D-9305D-9229Motor CTION 3WELDERS(With Serial Numbers)CANADIAN Mfg’dYear19931993199219911990Engine (SA 250)(CLASSIC I)(SA 200, SA 250)(SA 200, SA 250)(SA 200, SA 250)Page 4 of 6TransformerAC-304291(AC/DC 250/250)AC-300529AC-295337AC-290529(AC/DC 250/250)(AC/DC 250/250)(AC/DC 250/250)9301
##SECTION 49301WELDERS(Without Serial Numbers)USA Mfg’dThe following transformer welders do not have serial numbers. The date of the manufacture for these units may bedetermined from the last three digits of the code number stamped on the nameplate.Units Involved: AC-225S, AC/DC-225/125, AC-275, AC-225 GLM, AC-225 SEARSCode Number Example:9422-001Code9422Year1990Month01 JanuaryExamples:9422-103Code 9422Manufactured March, 19919422-806Code 9422Manufactured June, 1988Page 5 of 6
##SECTION 5MOTORSUSA 72800753500624300Page 6 of 69301
SAMPLE LIST OF CODES FOR THE FIRST TWO CHARACTERS OF SERIAL NUMBER U0 Mentor Plant, Mentor, USA U1 Euclid Plant 1 (EP1), Cleveland, USA Example #1: Ul 93 02 00000 Mfg'd. in Mfg'd. Mfg'd in Incrementing Cleveland, USA in 1993 February Digits Euclid Plant 1 Example #2: Cl 93 02 00121 Tor onto, Canada Page 2 of 6 ##
