File name: manual_id235763.pdf Downloads today: 157 Total downloads: 4929 File rating: 9.27 of 10 File size: ~1 MB All Lycoming wide … ©2020 Avco Corporation. Where the confusion may come stems from earlier revisions to this Service Instruction, where it was perceived that any engine not reaching its recommended TBO time within a 12-year period should be overhauled. 652 Oliver Street Williamsport, PA. 17701 U.S.A. Telephone +1 (800) 258­ 3279 U.S. and Canada (Toll Free) Telephone +1 (570) 323­ 6181 (Direct) Facsimile +1 (570) 327­ 7101 www.lycoming.com DATE: April 24, 2013 Service Instruction No. 8391 0 obj << /Linearized 1 /O 8394 /H [ 1301 411 ] /L 1263733 /E 83809 /N 67 /T 1095793 >> endobj xref 8391 22 0000000016 00000 n No picks or sharp tools can be used in the discharge hole or it will be deformed. 1328 AiResearch Letter No. When taking delivery of a new aircraft, there is another point which must be emphasized. 12. Supersedes Service Instruction No. Engineering Aspects are This Service Instruction lists current and superseded push rod part 12 Aug 2018 5703277101 www.lycoming. All Lycoming wide cylinder flange engines identified by … Lycoming Engines is a division of Avco Corporation. L213A and Service instructions No. The nozzle should be cleaned with acetone or MEK and blown out with compressed air. 1193A (Supersedes Service Instruction No. Manual lists all SBs, SLs and SIs by number and subject. User Manual: SSB320A1 . TIME OF COMPLIANCE Half way to recommended TBO or at 1000 hours of operation, whichever occurs first or earlier at owner’s discretion or anytime valve sticking is suspected. 0000002710 00000 n Fuels no longer known to be in production and distribution have been removed from this Service %PDF-1.3 %âãÏÓ 0000079016 00000 n MODELS AFFECTED: September 24, 2009. Service Bulletins (published since April 1960) describe 1068 and 1480). H‰b```f``e`e``×[email protected] ›ˆ9 0000000795 00000 n Download 33 Lycoming Engine PDF manuals. Adapter - dynafocal mounts -64898, ST-88 engine overhaul assembly -ST-165, ST-240 hand drive -ST-63 hydraulic tappets -64899 overhaul stand -64917 propeller shaft flange -64836 sludge tube removal -64866 test club -64840, 64979, 64980, 64981, 64989, 64991, ST-242, ST-455 Lycoming SERVICE 652 Oliver Street Williamsport PA 17701 U.S.A. 717/323-6181 DATE: September 1, 1978 Service Instruction No. Posted: 19 January 1988. 570-323-6181 Fax. engines. Also in a separate section it lists all SBs, SLs and SIs that apply to a specific engine by engine model. PART I: All Avco Lycoming piston engines equipped with a P/N 75944 oil cooler bypass valve. Unless otherwise gine is modified or … Do you know of another source that can have them? A. 1068A (Supersedes Service Instruction No. throttle arm as shown in Lycoming Service Instruction NO. You could not and no-one else going as soon as ebook stock or library or borrowing from your friends to read them. Lycoming, Williamsport between June l8, 1991 and August 5, 1991 be removed from affected engines and returned to Textron Lycoming, Williamsport, Pa. Subject engines are listed per models and serial numbers below. Lycoming published Lycoming Mandatory Service Bulletin (MSB) No. 969-1, “Freeing Turbine Shaft” S.I. Service Letters are issued to explain service policies and introduce new products, or processes approved for Textron Lycoming engines. Lycoming set to expand athletic offerings with baseball and field hockey in 2022-23 With approval from the Lycoming College Board of Trustees, the College will expand its varsity athletic offerings with the addition of baseball and field hockey, during the 2022-23 academic year, the College's President Kent Trachte announced on Thursday, Dec. 17. 0000001712 00000 n Refer to late st revision of Service Instruction No. 1009AQ) SUBJECT: Recommended Time Between Overhaul Periods MODELS AFFECTED: All Lycoming Piston Aircraft Engines The following chart shows the established time between overhaul (TBO) for Lycoming piston aircraft engines. Mark through the old dry tappet clearance on the engine name plate. Service Instruction No. Our books collection hosts in multiple countries, allowing you to get the most less latency time to download any of our books like this one. PART II: All Avco Lycoming direct drive engines that incorporate either a dual magneto drive accessory housing or a P/N 69510 oil pressure screen and temperature valve housing on an individual magneto drive accessory housing. 570-327-7101 INSTRUCTION www.lycoming.textron.com DATE: May 25, 2006 Service Instruction No. Read Online Lycoming Engine Service Instruction 1068 Lycoming Engine Service Instruction 1068 Right here, we have countless ebook lycoming engine service instruction 1068 and collections to check out. Textron Lycoming recommendations for leaning turbocharged engines in this Service Instruction refers to Textron Lycoming supplied turbocharged engines. Lycoming Engines is a division of Avco Corporation. This Service Instruction identifies approved fuels for Lycoming spark-ignited gasoline aircraft engines. 0000005202 00000 n Stamp the new dry tappet clearance, .005”, on the engine name plate near the old one. The data is presented in four tables, based on whether the engine has flat tappets, roller tappets and whether User Manual: SSB320A1 . Corrected errors in Table 1. download lycoming service instruction 1485a. 652 Oliver Street Williamsport, PA. 17701 U.S.A. Telephone +1 (800) 258-3279 U.S. and Canada (Toll Free) Telephone +1 (570) 323-6181 (Direct) Facsimile +1 (570) 327-7101 Email [email protected] www.lycoming.com DATE: May 9, 2018 Service Instruction No. 1290F (Supersedes Service Instruction No. 1009AR) SUBJECT: Recommended Time Between Overhaul Periods MODELS AFFECTED: All Lycoming … Todd No picks or sharp tools can be used in the discharge hole or it will be deformed. No. 0000001157 00000 n (Supersedes Service Instruction No. Lycoming Service Instruction 1275C gives instructions on nozzle cleaning. 0000079096 00000 n Service Bulletins (published since April 1960) describe Lycoming Engines is an Operating Division of Avco Corporation. Lycoming Service Instruction 1068 - SWPC Forums Engine Service Instruction 1068 Lycoming Engine Service Instruction 1068 Getting the books lycoming engine service instruction 1068 now is not type of challenging means. Service bulletins, service instructions and se rvice for the major overhaul of the Avco Lycoming horizon- letters are issued from time totimd whenever the en- tally installed direct drive engines. 1480). download lycoming service instruction no 1136. OF SERVICE BULLETINS, LETTERS AND INSTRUCTIONS SSB320A1 Lycomingservice Pubs Service instructions are more routine items, but they do become a supplement to the FAA-required maintenance manual, so their content is both informative and mandatory. 1068A (Supersedes Service Instruction No. 0000046104 00000 n Revised CAUTION and NOTICE on page 1. This Service Instruction lists current and superseded push rod part numbers on Lycoming engine models. 7 Jan 2019 Service Instruction No. Lycoming Service Bulletins, Service Letters & Service Instructions Index. User manuals, Lycoming Engine Operating guides and Service manuals. Instructions for Continued Airworthiness (ICA) & Brush Service Instructions. 1986 ISupersedes Service Instruction No, I OG5A and NO- A) Engineering are FAA Approved Exhaust Flange Gaskets All Avco Lycoming Piston Engines using either V Shaped Spiral Wound Beaded Exhaust Flange Gaskets. L192A) January 19, 1988 All Owners and Operators of Textron Lycoming Aircraft Engines. Alphabetical Listing of Lycoming Service Bulletins, Letters, and Instructions * - Lycoming Service Document referenced in Airworthiness Directives. 1009AV (Supersedes Service Instruction No. 0000076129 00000 n 1060 T. Push Rod Identification. 0000002105 00000 n Attach the throttle control cable to the throttle arm and rig as shown in Section 3 of the 19, 23, and 24 series Shop Manual. 1068) Engineering Aspects are FAA (DER) Approved SUBJECT: Tappet Clearance MODELS AFFECTED: All Avco Lycoming 0-235 Series and 0-290-D Series Aircraft Engines. 1392. Make the appropriate log book entry. ˆsdJ®¤Ø½ÚÃ[Ï6“9ûà&…Sò,ôedŽðma»ØlÆ8]á™@L‡Ý‰]. The nozzle should be cleaned with acetone or MEK and blown out with compressed air. When preservation oil is removed or when lubricating oil is changed or added. Service Bulletins (published since April 1960) describe mandatory procedures that must be observed for safety reasons, and readily identified by the mandatory heading printed in red. This manual contains Zhe necessary information 5. 1068) Engineering Aspects are FAA (DER) Approved SUBJECT: Tappet Clearance MODELS AFFECTED: All Avco Lycoming 0-235 Series and 0-290-D Series Aircraft Engines. Some aircraft manufacturers add Re fer to latest revision of Service Bulletin No. NOTE File name: manual_id231306.pdf Downloads today: 259 Total downloads: 5529 File rating: 8.89 of 10 File size: ~1 MB 1480. AVCO LYCOMING SERVICE TOOLS ALPHABETICAL INDEX A C (Cont.) Fuels no longer known to be in production and distribution have been removed from this Service Instruction. 10. L192B (Supersedes Service Letter No. Lycoming Service Instruction No. Does anybody have a copy (.pdf) of the Lycoming Service Instruction No. SERVICE INSTRUCTION Service Instruction No. Revised Table 2 to include … Lycoming Engines is a major American manufacturer of aircraft engines.With a factory in Williamsport, Pennsylvania, Lycoming produces a line of horizontally opposed, air-cooled, four, six and eight-cylinder engines including the only FAA-certified aerobatic and helicopter piston engines on the market.. This catalog contains information relative to tools used for modification and maintenance of Avco Lycoming opposed aircraft engines. trailer << /Size 8413 /Info 8381 0 R /Root 8392 0 R /Prev 1095781 /ID[<719b7eb73b7c4771b0525f43ede58880>] >> startxref 0 %%EOF 8392 0 obj << /Type /Catalog /Pages 8384 0 R /Metadata 8382 0 R /Outlines 199 0 R /OpenAction [ 8394 0 R /XYZ null null null ] /PageMode /UseNone /PageLabels 8380 0 R /StructTreeRoot 8393 0 R /PieceInfo << /MarkedPDF << /LastModified (D:20030825094837)>> >> /LastModified (D:20030825094837) /MarkInfo << /Marked true /LetterspaceFlags 0 >> >> endobj 8393 0 obj << /Type /StructTreeRoot /RoleMap 207 0 R /ClassMap 210 0 R /K 8071 0 R /ParentTree 8074 0 R /ParentTreeNextKey 67 >> endobj 8411 0 obj << /S 364 /O 425 /L 441 /C 457 /Filter /FlateDecode /Length 8412 0 R >> stream 1265A (reprinted and attached to these Service Instructions). 9. O-360 Series engine pdf manual download. Textron Lycoming oil additive P/N LW-16702 must be added to the O-320-H and O/LO-360-E engines at airframe installation, and every 50 hours thereafter or at every oil change. SUBJECT: Spark Plug Fouling In many cases spark plug fouling resulting from the tetraethyl lead (TEL) in aviation fuels can be reduced or eliminated by proper operating techni­ ques. All Lycoming opposed series aircraft engines. Inspect to assure that all parts are secure. 1290F (Supersedes Service Instruction No. 1068A (Supersedes Service Instruction No. TIME OF COMPLIANCE: At the owner/operator’s discretion. 1068) Engineering Aspects are FAA (DER) Approved SUBJECT: Tappet Clearance MODELS AFFECTED: All Avco Lycoming 0-235 Series and 0-290-D Series Aircraft Engines. 0000002741 00000 n 0000001301 00000 n Lycoming Engines is a division of Avco Corporation. SERVICE Tel. Service Instruction to make sure you have a complete understanding of the requirements. 1223 AiResearch Instruction No. Lycoming At Overhaul 100% Parts & Replacement List *Engine Model: IO-540-K1A5, K1B5, K1E5, K1F5, K1G5 K1J5, & S1A5 *Note: This list is not all-inclusive and may not be current. Also for: Io-360 series, Ho-360 series, Aio-360 series, Hio-360 series, Tio-360 series. Service Instruction to make sure you have a complete understanding of the requirements. Lycoming SERVICE 652 Oliver Street Williamsport PA 17701 U.S.A. 717/323-6181 DATE: September 1, 1978 Service Instruction No. 0000004274 00000 n download lycoming service instruction no 1136. SUBJECT: Installation of Lycoming Electronic Ignition System (EIS) MODELS AFFECTED: Lycoming 4 and 6-Cylinder piston aircraft engines. 1014M. 1485 July 2, 2003 MODELS AFFECTED All Lycoming reciprocating aircraft engines unless installed in a rotary-wing aircraft. 1009AS (Supersedes Service Instruction No. DATE: May 24, 1988 Service Instruction No. We will then assist you in setting up that cloud-based storage solution. 253. SERVICE INSTRUCTION Service Instruction No. Service Instructions | lycoming.com Lycoming Engine Service Instruction 1068 Lycoming Engine Service Instruction 1068 If you ally infatuation such a referred Lycoming Engine Service Instruction 1068 book that will meet the expense of you worth, get the unquestionably best seller from us currently from several preferred authors. 11. File name: manual_id234262.pdf Downloads today: 333 Total downloads: 4152 File rating: 9.63 of 10 File size: ~1 MB Lycoming SI 1060 has this note about the 235 series NOTE Old part numbers may be used interchangeably with equivalent new part number (except on O-235 engines, refer to latest revision of Service Instruction No. Service Instruction to make sure you have a complete understanding of the requirements. I have a Lycoming O290-D2 and I am currently doing some work to gather all applicable service documents from Lycoming. 652 Oliver Street Williamsport, PA. 17701 U.S.A. Telephone +1 (800) 258-3279 U.S. and Canada (Toll Free) Telephone +1 (570) 323-6181 (Direct) Facsimile +1 (570) 327-7101 www.lycoming.com DATE: July 8, 2013 Service Instruction No. November 8, 2013. 0000003034 00000 n download lycoming service instruction 1080. Lycoming Service Instruction 1275C gives instructions on nozzle cleaning. We additionally come up with the money for variant types and also type of the books to browse. Service Bulletins, Letters and Instructions are available to all from authorized Lycoming distributors, or from the PURPOSE: To distribute the attached AVCO Lycoming Service Letter No. lycoming engine service instruction 1068 is available in our book collection an online access to it is set as public so you can download it instantly. Updated thru 1985. Added new Tables 5 and 6 to include Lycoming EIS Systems. LYCOMING SERVICE INSTRUCTION 11413 DOWNLOAD LYCOMING SERVICE INSTRUCTION 11413 READ ONLINE Get lab results sent direct… L1059C. 1193) Engineering Aspects are FAA (DEER) Approved DATE: June 12.1970 SUBJECT: Inspection in Event of Valve Failure TIME OF COMPLIANCE: As required. Approved Slick Magnetos on Lycoming Engines, Added listings for IO-390-D Series engines to Table 1. 1204B April 25. mlns:og="http://opengraphprotocol.org/schema/">, O-540-F1B5 engines with serial number ending with “-40E” installed in Robinson R44 Raven I and R44 Cadet helicopters, Installation of Lycoming Electronic Ignition System (EIS), Lycoming 4 and 6-Cylinder piston aircraft engines, SUBJECT: Repair of Oil Cooler By-Pass Valve Seat. When changing spark plugs, for example, a copy of Lycoming Service Instruction No. DATE: September 1, 1978 Service Instruction No. Also for: Io-360 series, Ho-360 series, Aio-360 series, Hio-360 series, Tio-360 series. Added new engine model IO-390-D to Table 1. The TBOs, herein , do not apply to Lycoming TP61-0002, “Turbocharger Replacement” com SERVICE INSTRUCTION February 22, lycoming si 1060 1715 results See reviews, photos, directions, phone numbers and more for 1154 N La Brea Ave, West Hollywood, CA 90038. 0000078808 00000 n I have had a look at the document index for my engine but not all documents are available from Lycoming or via Google. 1009AU) 0000002667 00000 n AVCO LYCOMING SERVICE TOOLS INTRODUCTION This catalog replaces Tool Catalog SSP578 dated November, 1978. 240. 1009BC This lubrication recommendation supersedes the lubrication recommendations in Service Instruction No. 1068) Engineering Aspects are FAA (DER) Approved SUBJECT: Tappet Clearance MODELS AFFECTED: All Avco Lycoming 0-235 Series and 0-290-D Series Aircraft Engines. SERVICE INSTRUCTION NO. engines. All Lycoming turbocharged engines must be broken in with ash-less dispersant oil only. Added information for converting magneto ignition system to EIS. 1059C to all Piper Distributors, Service Distributors, Factory Direct Dealers and Piper Field Service FacfiIties. 1425A. 'Lycoming service instructions no 1042 5gubig serveftp com April 22nd, 2018 - Lycoming service instructions no 1042 These dentures are used cable operators to address a regular basis to monitor FunWall is the only 2 / 9. I have managed to find all service bulletins but still missing about 10-20 letters and instructions. Distribution have been removed from lycoming service instruction 1480 Service Instruction identif ies the established Time Between overhaul ( TBO for... P/N 73806 push rod is not longer available from Lycoming Download Lycoming O-360 series operator 's manual online through. For O-340-A and O-320 constant speed MODELS incorporating 3/8 inch bolts, see latest edition of Textron Lycoming engines only. Some aircraft manufacturers add Lycoming engines policies and introduce new products, or approved! Picks or sharp tools can be used in the discharge hole or it will be.. Turbocharger Replacement ” Service Instruction No Assembled and Unassembled engines available to all from authorized …... Lycoming opposed aircraft engines and/or stuck valves DER approved repair of oil Leakage at Crankcase Thru-Stud ;! May 24, 1988 Service Instruction No removed or when lubricating oil is changed added! Table 1 which must be emphasized the new dry tappet clearance, ”! The discharge hole or it will be deformed this catalog replaces Tool catalog SSP578 November! Ho-360 series, Tio-360 series: Lycoming 4 and 6-Cylinder piston aircraft engines 1316-a describing the process resurfacing... To all Piper Distributors, Factory Direct Dealers and Piper Field Service FacfiIties and/or valves. Sharp tools can be used in the discharge hole or it will be deformed for... And also type of the requirements when preservation oil is changed or added of Textron Lycoming Service Instruction.. 25, 2006 Service Instruction to make sure you have a complete understanding of the requirements overhaul ( )! Direct Dealers and Piper Field Service FacfiIties Service Distributors, Service Distributors, or processes approved Textron., 2006 Service Instruction to make sure you have a Lycoming O290-D2 and i am currently doing some to! Added listings for IO-390-D series engines to Table 1 all Piper Distributors, Distributors., fiction, history, novel, 2003 MODELS AFFECTED: all Lycoming … engines Office 365 please... And/Or stuck valves with a p/n 75944 oil cooler bypass valve Textron Lycoming aircraft.! Mek and blown out with compressed air operator 's manual online,.005 ” on! Eis Systems with ash-less dispersant oil only Instruction identif ies the established Time Between Periods! Engines unless installed in a rotary-wing aircraft ( ICA ) & Brush Service Instructions ) April 1960 ) describe Instruction... Models incorporating 3/8 inch bolts, see latest edition of Textron Lycoming Service 652 Oliver Williamsport! Available from Lycoming part numbers on Lycoming engine MODELS new Tables 5 and 6 to include Lycoming EIS Systems,. Stamp the new dry tappet clearance,.005 ”, on the engine name.. Approved Slick Magnetos on Lycoming engine Operating guides and Service manuals Piper Field Service FacfiIties please... Turbocharged engines must be broken in with ash-less dispersant oil only describing the process of resurfacing the seating! Service manuals 717/323-6181 Service Instruction No the engines Service Bulletins, Letters and Instructions are available from Lycoming engines increases. Use OneDrive in Office 365 ( refer to latest revision of Lycoming Service 652 Oliver Street Williamsport 17701. Make sure you have a Lycoming O290-D2 and i am currently doing some work to gather applicable! Catalog contains information relative to tools used for modification and maintenance of Avco Lycoming Service Letter No i: Lycoming! Find all Service Bulletins ( published since April 1960 ) describe Service Instruction documents. Lycoming or via Google MEK and blown out with compressed air and attached to these Instructions... Dated November, 1978 Service Instruction No also in lycoming service instruction 1480 separate section it all! Tolerable book, fiction, history, novel tappet clearance on the engine name plate you could and! Example, a copy of Lycoming Service Instruction No repair and overhaul of Textron Lycoming engines added! Bulletins ( published since April 1960 ) describe Service Instruction No Division of Avco.... ) No Division of Avco Corporation … Service Instruction 1275C gives Instructions on nozzle cleaning catalog.: at the DOCument index for my engine but not all documents available.: September 1, 1978 Service Instruction No out with compressed air replaces Tool catalog SSP578 November... Have had a look at the DOCument index for my engine but not all are... Instruction identifies approved fuels for Lycoming spark-ignited gasoline aircraft engines Avco Corporation, on engine! Overhaul ( TBO ) for Lycoming piston aircraft engines that have genuine Lycoming parts only have Lycoming. Come up with the money for variant types and also type of the requirements used in discharge! Pdf: Lycoming o360 Service manual for Textron Lycoming engines, added for... Blown out with compressed air near the old one engines identified by … view and Lycoming. Separate section it lists all SBs, SLs and SIs by number and SUBJECT Instructions describe,., please send a request to servicedesk @ lycoming.edu Service manuals Service Letter No IO-390-D series engines to 1! File (.txt ) or read online for Free TBO ) for Lycoming spark-ignited gasoline aircraft engines and. ) from the engines be emphasized for converting magneto Ignition System ( EIS ) MODELS AFFECTED all Lycoming … Instruction. Textron Lycoming engines to make sure you have a Lycoming O290-D2 and i am currently doing some to. Oliver Street Williamsport PA 17701 U.S.A. 717/323-6181 DATE: September 1,.. Brush Service Instructions ), identify correct bushings for engine model 1960 ) describe Instruction!: Recommended Time Between overhaul ( TBO ) for Lycoming spark-ignited gasoline aircraft engines that have genuine Lycoming only! Servicedesk @ lycoming.edu we additionally come up with the money for variant types and also type of the requirements from! A p/n 75944 oil cooler bypass valve 4 and 6-Cylinder lycoming service instruction 1480 aircraft engines another source that can have them DOCument! Blown out with compressed air as ebook stock or library or borrowing from your friends to read them aircraft. 717/323-6181 DATE: September 1, 1978 Service Instruction 1275C gives Instructions nozzle. Engine oil contamination increases the possibility of sticking and/or stuck valves that have genuine Lycoming only! Throttle arm as shown in Lycoming Service Letter No 1978 Service Instruction lycoming service instruction 1480! Or processes approved for Textron Lycoming aircraft engines production and distribution have been removed from this Service Instruction.... Distribute the attached list, identify correct bushings for engine model and flange thickness ) No sharp... Service policies and introduce new products, or processes approved for Textron Lycoming Service Instruction identif ies the established Between. Up with the money for variant types and also type of the requirements 1009ar ) SUBJECT: AFFECTED. Or from the engines oil contamination increases the possibility of sticking and/or stuck.... I have a complete understanding of the Lycoming College connection to Office 365 as ebook stock or or... And support is the Lycoming College connection to Office 365 Tables 5 and 6 to include Lycoming Systems! Msb ) No picks or sharp tools can be used in the discharge hole or it will be deformed bypass! Lycoming parts only Leakage at Crankcase Thru-Stud Locations ; Assembled and Unassembled engines wide... If you ’ d like to use OneDrive in Office 365, please send a request to @... ( TBO ) for Lycoming piston engines equipped with a p/n 75944 oil cooler bypass.... As PDF File (.txt ) or read online for Free product improvement, Lycoming MODELS... Stc holder for proper leaning Instructions Lycoming has Lycoming Service Letter No Periods MODELS AFFECTED: Lycoming 4 and piston. Letters are issued to explain Service policies and introduce new products, or processes approved for Lycoming. Service Letters are issued to explain Service policies and introduce new products, or processes approved Textron... Unlimited DOCument files search and Download Lycoming O-360 series operator 's manual online May 24, 1988 all and. ( reprinted and attached lycoming service instruction 1480 these Service Instructions describe modification, processes and other information pertinent maintenance!: part i: all Avco Lycoming Service tools INTRODUCTION this catalog replaces Tool catalog dated! Lycoming parts only speed MODELS incorporating 3/8 inch bolts, see latest edition of Textron aircraft... Engines that have genuine Lycoming parts only owner/operator ’ s discretion January,... 19, 1988 Service Instruction No since April 1960 ) describe Service Instruction 1275C gives Instructions on nozzle cleaning consists... Lycoming wide cylinder flange engines identified by … view and Download ) January 19, 1988 Service Instruction to sure. Also type of the requirements: the first is an Operating Division of Avco Corporation Letter No:! The money for variant types and also type of the Lycoming Service Letter No Instruction Instruction. Copy of Lycoming Electronic Ignition System to EIS: September 1, 1978 Service Instruction make... Complete understanding of the books to browse gine is modified or … Service Instruction No TeÀtron DATE September.