YEAR ISSUE NO. DESCRIPTION DATE
2007 T.B.CH31921-07-001 CH31921 Igniter 3/07
  T.B.CH31858-2-07-002-R1 CH31858-2 Igniter 5/07
2004 T.B.CH92040-1-04-001 CH92040-1 Exciter Modification/Repair 7/04
  T.B.CH92043-2-02-002-R2 CH92043-1 Upgrade to CH92043-2, Rev 2 2/04
2003 T.B.CH34739-74-20-03-001 CH34739 Igniter, Cleaning, Inspecting, Testing 10/03
  T.B.CH92043-2-02-002-R1 CH92043-1 Upgrade to CH92043-2, Rev 1 8/03
2002 T.B.CH92043-1-02-001 CH92043 Upgrade to CH92043-1 2/02
  T.B.CH92043-2-02-002 CH92043-1 Upgrade to CH92043-2 9/02
  T.B.CH34682-74-20-02-003 CH34682 Igniter, Inspection/Check Instructions 10/02
2001 01-2 CH31876-6 Igniter 5/01
  01-3 Spin-On Oil Filter 5/01
  01-4 Continuous Improvement Champion Oil Filters 5/01
1999 99-1 Champion Igniter CH34690-2 Cleaning, Inspection and Testing 03/99
1998 98-1 Discontinue use of DC200 and DC4 Lubricants 03/98
  98-1AL Champion Y183-5 Igniter 02/98
  98-2 Champion CH34016-1 Igniter 05/98
  98-2AL Champion Y183-6 Igniter 02/98
  98-3 Catalog Update 07/98
  98-6 Champion FHE164E Igniter 12/98
  98-7 Warning! Never Brush or Grind Spark Plugs Electrodes 12/98
1997 97-1 All JT15D Operators Exciter 305013 Changed to CH92028 01/97
  97-2 Champion CH37114 Igniter 01/97
  97-3 Champion CH31815-1 Igniter 02/97
  97-4 AV12-H Harness Application Chart Additions/Corrections 03/97
  97-6 Turbine Lead Connector Wear Gauge CT497 12/97
  97-7 Calibrated Wear Gauge CT496 12/97
  97-8 CAP Recip Harnesses 12/97
  97-9 Harness Routing 12/97
1996 96-1 CH38016 Igniter 07/96
  96-1AL Champion CH34549 Igniter 03/96
  96-2 Champion CH34659-3 Igniter 10/96
  96-2AL How Long Should An Igniter Last? 09/96
  96-4 Continuous Improvements…Champion Aviation Oil Filters 11/96
1995 95-1 Champion CH31824 Igniter 03/95
  95-2 Rolls-Royce Trent, RB211 Series CH34698 Igniter 05/95
  95-3 Champion CH34313 Igniter 06/95
  95-3A Reliability Exciter FJ44-1A Exciter 08/95
  95-4 Champion CH31801 Igniter 06/95
  95-5 Oil Filter Application 08/95
  95-6 Champion CH34687A Igniter 08/95
  95-7 Champion AA134S-1 Igniter 11/95
  95-9 “Let’s Illuminate” 11/95
  95-10 “How Long Should Spark Plugs Last?” 11/95
  95-11 Aviation Spark Plugs – Always Install With New Gasket 11/95
  95-12 Champion CH31801 Igniter 11/95
  95-13 Spark Plug Re-Gapping Procedure 11/95
  95-14 Reconditioned Spark Plug Turbine Igniter Identification 11/95
  95-15 Normal vs. Abnormal Semi-Conductor Wear 11/95
1994 94-1 Champion Ch34803 Series 21 Igniter 03/94
  94-2 Inspect Oil Filters 12/94
  94-3 Once You Remove It, Tear It Apart 12/94
1993 93-1 Champion CH31876 Igniter 04/93
  93-2 Servicing The Iridium “S” Plug 04/93
  93-3 Champion CH34419 Igniter 04/93
  93-4 Do Not Overtorque Oil Filters 04/93
  93-5 Beware Of Reconditioned Spark Plugs 04/93
  93-7 Champion CH31815 Igniter 12/93
  93-8 Using The Model 2600A Vibrator 12/93
  93-9 If The Plug Fails The CT-482 Test, Scrap It 12/93
1991 91-3 Lycoming Service Instruction #1442 03/91
  91-4 Champion CH31723 Igniter 07/91
1990 90-2 CH31547C Igniter Inspection 05/90
  90-3 Champion CH34484 Igniter 07/90
  90-4 Applying Anti-Seize 09/90
  90-5 Gaskets Filter 09/90
1989 89-1 Follow Engine Manufacturers’ Cold Starting Procedure 03/89
  89-2 Attention All TPE331 Operators-Garrett Lowers Installation Torque 03/89
  89-3 Turbine Ignition Leads “Handle With Care” 05/89
  89-5 Connector Weld Flashover 05/89
  89-6 Champion CH34511 Igniter 08/89
1988 88-1 #533 Abrasive Replaced By 91893 01/88
1987 87-1 REM37BY Electrode Wear 02/87
  87-4 Proper Use of The CT-470 Can Cutter 03/87
  87-5 If Your Turbine Engine Is Ready For Overhaul, So Are Your Ignition Leads 04/87
  87-6 Check These Dimensions 05/87
  87-8 Always Install Igniters With New Gaskets 07/87
  87-9 Announcing The Champion CT-494 Igniter Erosion Gage 07/87
  87-10 Champion CH34406 Igniter 08/87
  87-11 Oil Filter Application TSIO 520BE 11/87
1986 86-1 Champion CH31753A/CH31772 Igniters 02/86
  86-11 Champion CH31769 Igniter 06/86
  86-12 Champion FS109-1A Igniter 08/86
  86-13 Champion Spin-On Filters With OF712 Installation 08/86
  86-15 Use Correct Filter With CH48922 Filter 09/86
  86-17 Champion CH34055 Igniter 11/86
1985 85-1 Champion CH31547C Igniter 01/85
  85-2 Champion CH34249 Igniter 02/85
  85-3 Champion AA33SD Igniter 02/85
  85-4 Champion CH34279B Igniter 02/85
  85-6 Champion CH31701A Igniter 04/85
  85-7A Champion CH31765 Igniter 05/85
  85-12 Champion CH34206C Igniter 08/85
  85-13 CT-475AV Tester Calibration 08/85
  85-13A Champion CH34208 Igniter 09/85
  85-16 Iridium VS Platinum It’s A Matter of Economics 11/85
1984 84-1 Champion CH31615 Igniter 01/84
  84-2 Frequent Oil & Oil Filter Changes Minimize Oil Contamination 02/84
  84-5 Cross Reference Chart Replacement Parts Model CT-475AV 05/84
  84-6 Champion FHE246-4 Igniter 05/84
  84-10 Champion CH31687/CH31706 Igniters 12/84
1983 83-1 Champion CH37103 Igniter 01/83
  83-2 Champion CH34177 Igniter 04/83
  83-3 Constant Polarity Wear/Excessive Electrode Erosion 04/83
  83-4 Champion FHE267-2A Igniter 04/83
  83-8 Champion FHE113-10 Igniter 06/83
  83-9 Oil Filter Inspections 11/83
1982 82-3 Champion CH31621 Igniter 06/82
  82-4 Champion CH34157B Igniter 08/82
  82-5 Champion CH34187 Igniter 08/82
  82-6 CT-475AV Trouble Shooting Method 09/82
  82-8 Champion FS47 Igniter Service Instruction 11/82
  82-9 Champion CH34016 Igniter 11/82
  82-11 Champion CH34135 Igniter 11/82
1981 81-3 Regapping The New REM37BY 01/81
1980 80-1 Champion CH34168 Igniter 02/80
1979 79-1 Abrasive Compound Use 01/79
  79-2 Champion FHE211-2 Igniter 04/79
  79-3 Champion CH34084 Igniter 05/79
1978 78-1 Equivalent Oil Filter Part Numbers 02/78
  78-2 Know Your Oil Filters 03/78
  78-4 Champion FHE161-9 Igniter 06/78
1977 77-3 Champion FHE-151 Igniter 04/77
  77-4 Remember…Two Wrongs Don’t Make A Right 06/77
  77-5 Get The Lead Out – Faster 09/77
  77-7 Champion Has The Oil Filter For Cessna’s New 152 Trainer 10/77
  77-8 Champion Plug For The New Cessna 152 Trainer 11/77
1976 76-2 Champion AA136S Igniter 02/76
  76-3 Champion FHE-146 Igniter 03/76
  76-4 Check These Dimensions 04/76
  76-5 Are Your Using The Proper Gasket 04/76
  76-8 Constant Spark Plug Electrode Polarity Wear 09/76
  76-9 Champion FHE 267-2 Igniter 10/76
1975 75-1 The Model 2400 Dry Abrasive Cleaner 01/75
  75-4 Champion Spin—On Filters For Duke And Baron Operators 05/75
  75-6 Spin-On Filter Sticking 07/75
  75-7 Champion FHE-182 Igniter 08/75
  75-8 To Scrap Or Not To Scrap 10/75
1974 74-1 Champion FS118 Igniter 01/74
  74-2 80 Octane Operators 02/74
  74-3 Champion FHE-19 Dart Igniter 04/74
  74-4A Champion FS 93 Igniter Service Instructions 05/74
  74-5 Help Prevent Lead Fouling 06/74
  74-6A Champion FHE-176 Igniter 07/74
  74-7 Model 200 Vibrator Cleaner Service Parts 09/74
  74-8 Champion FHE-246 Igniter 11/74
1973 73-1 AGF2 Glow Plug 01/73
  73-2 Is Your Cleaner Doing The Job For You? 02/73
  73-3 New & Different Spark Plugs For New & Different Engine 03/73
  73-4 Champion FHE-205 Igniter 04/73
  73-8 New or Used Aviation Spark Plugs – Always Install With A New Gasket 08/73
  73-9 “If It’s Been Dropped Once, Drop It Again” 09/73
  73-10 Hard Starting 10/73
  73-11 FAA Cautions Pilots On Using Automotive Gasoline In Aircraft 11/73
1972 72-2 Murphy’s Law – Improper Spark Plug Installation 02/72
  72-3 Iridium Precious Metal – Handle With Care 03/72
  72-6 Oil Filter Systems 06/72
  72-7 Too Small A Gap Is As Bad As Too A Large 07/72
  72-8 Used Spark Plugs Better Than New? Never! 08/72
  72-9 Spark Plug Testers Need Testing, Also! 09/72
  72-10 Spark Plug Testing – Why & How 10/72
1971 71-2A JT9 Igniter Wear Characteristics 01/71
  71-5 It’s A Matter of Economics 04/71
  71-6 AV-Gas, Tetraethyl Lead (TEL) & Spark Plugs 05/71
  71-7 Spark Plug Cleaners Need Cleaning Also 06/71
  71-8 Just Because It Looks Good, “Change It” Anyway 07/71
  71-9 Short Plug Life?? 08/71
  71-10 Proper Torquing Can Assure Against Oil Filter Leaks 09/71
  71-11 Oil Filter Assembly Needs Cleaning Too 10/71
  71-12 With or Without a Turbo Charger, Just A Reminder 11/71
1970 70-2 Fine Wire Spark Plugs, To Clean or Not to Clean – That is the Question 03/70
  70-3 DC-4 or DC-200 Compound Recommended To Prevent Connector Grommets From Sticking 04/70
  70-4 Top Spark Plugs To Bottom…Bottom Spark Plugs To The Top 05/70
  70-5 Summer Is Here! General Service 06/70
  70-8 Capacitance 09/70
  70-9 Swap Spark Plug Location To Equalize Wear 10/70
  70-10 Slow Death On A Fast Wheel 11/70
1969 69-1 How Bad Is One Plug Out? 03/69
  69-2 Know These Engine Combustion Conditions? 02/69
  69-3 Let’s Inject 03/69
  69-5 Have You Got The Right Pitch 04/69
  69-7 AGF2-5 Igniter Life PT6 Engine 05/69
  69-8 Cracking Insulator Ceramics? 07/69
  69-9 Go The Step Beyond 08/69
  69-10 There Are Spark Plug Copy-Cats 11/69
  69-11 Testing 1-2-3-4 Testing 12/69
  68-3 Spark Plug Testing – Why & How 02/68
  68-7 How’s Your Oil Consumption 03/68
  68-8 Old Spark Plugs Better Than New Ones? Never 06/68
  68-9 The Whole Job 07/68
  68-10 To Clean Or Not Too Clean 07/68
  68-11 What Is A Nominal Gap? 08/68
  68-12 Swap Your Troubles Away 08/68
  68-14 The Pilot and Plug Fouling 09/68
  68-15 How’s Your Timing – Magneto, That It? 10/68
  68-16 Gap Settings For J43 & REJ38 Spark Plugs 10/68
  68-17 Short Plug Life?? 11/68
1967 67-1 Champion AA Series PW Igniters Firing End Wear Limit Measurement 02/67
  67-2 Gap Bridging On Fine Wire Plugs 05/67
  67-3 Used Spark Plug Gaskets 07/67
  67-4 Fouling On Continential I0-520 Engine 08/67
  67-5 Throttle Jockeying 09/67
  67-6 Dust Fouls Engines & Spark Plugs 10/67
  67-7 Is Your Champion Cleaner Doing A Good Job? 10/67
  67-8 Do You Use A Looking Glass? 11/67
  67-9 If It Looks Dirty, Leave It Alone 11/67
  67-10 EGT and Spark Plugs 12/67
  67-11 Improper Gaps From Gapping Tools 12/67
1965 65-1 REL37B Approval 04/65
  65-2 Discontinued 700-E Series Service Unit 06/65
1963 63-1 Champion Spark Plugs RHB36P & RHB 38E Approvals 11/63
1962 62-1 Removal of Semi-Conductor From FHE-100-X6 Igniters 07/62
  62-2 Servicing of Champion Platinum Electrode Spark Plugs 08/62
  62-3 Champion FHE-19-6H (CR-104) Inspection and Reconditioning Procedure 11/62
1961 61-1 Spark Plug Thermocouple – Variation In Head Temperature Indication 02/61
  61-2 Champion AA15S & AA16S Igniter 10/61
  61-3 Instructions For Use of Champion CT-429 Torque Limiter 10/61
1960 60-1 Center Electrode Copper Erosion 07/60
  60-2 New Spark Plug Cleaner Accessories 09/60

Technical Bulletin FYI

Year ISSUE NO. DESCRIPTION DATE
1999 T.B.FYI-99-2 Spark Plug Installation 10/99

Service Bulletins

YEAR ISSUE NO. DESCRIPTION DATE
2012 S.B.1-12 SB1-12 Slick Magnetos – Decreased Service Life 09/12
  S.B.CH31694-74-21-001 CH31964 Igniter – Introduction for IAE V2500 Model Engines 05/12
2011 S.B.CH92074-74-001 Replacement of Ignition Exciter 03/11
2002 S.B.CH34817-21-02-001 CH34817 Igniter – Cleaning, Inspection and Testing 07/02
  S.B.CH92036-49-41-001 CH92036 Exciter, Tank Capacitor Upgrade 01/02
  S.B.CH92036-49-41-001-R1 CH92036 Exciter, Tank Capacitor Upgrade, Rev.1 02/02
1999 S.B.MS17976-2-24-001 28VS100Y-10A, -10B, -10C TRU – AC Filter Capacitor Inspection 05/99
1989 S.B.28VS200Y-4B-24-4 28VS200Y-4B – Install New DC Terminal Hardware 01/89
1987 S.B.28VS200Y-4B-24-5 28VS200Y-4B – Install New DC Terminal Hardware 01/87

Service Letters

YEAR ISSUE NO. DESCRIPTION DATE
2015 S.L.4300/6300-74-20-001 Slick Magneto Supplemental Timing Inspection Information 02/15
2014 S.L.CH31964-74-21-001 Serviceability Limits for Igniter CH31964 on IAE V2500 Engines 10/14
2012 S.L.74-20-001 Spark Plug Resistance Values 03/12
2011 S.L.74-10-001 Tornado Alley Turbo Service Bulletin (TAT SB11-05) 09/11
S.L.28VS200Y-4DH-24-04-001 28VS200Y-4DH – Fan Motor Upgrade 01/04
S.L.28VS200Y-4DH-24-04-001-R1 28VS200Y-4DH – Fan Motor Upgrade, Rev.1 07/04
2000 S.L.MS17976-2-24-003 28VS100Y-10A, -10B, TRU – Fan Motor Upgrade 08/00

Action Alerts

YEAR ISSUE NO. DESCRIPTION DATE
2003 A.A.CH38013-03-001 CH38013 Igniter – Incorrect Part Number Identification 05/03
2000 00-1 Oil Filter Base (Adapter) 01/00
00-2 CF0100 & CF0101 Oil Filter Gaskets 12/00
1998 98-1AA Stop Using DC200 & DC4 03/98
98-2AA 28VS100Y-10B – Loose AC Filter Capacitor Condition 12/98
1997 97-1 Harness Applications 07/97
97-2 Inspection of Filters 07/97
97-3AA CH31815/CH31621 Igniters 12/97
1994 94-1 Engines Operated On Contaminated Fuels 08/94
1993 93-1 CH34055 and CH34406 Igniter Inspection 11/93
1991 91-1 Oil Filters CH48108 and CH48109 11/91
1990 90-2 Oil Filters CH48108 and CH48109 Recall Expanded 01/90
1989 89-1 General Electric CFM56-5 Engines 02/89
89-7 Oil Filters CH48108 and CH48109 Recall 12/89
1988 88-2 FHE164E Igniter Recall 03/88
88-4 AA72S Igniter Recall 09/88
1986 86-1 “CHAMP” Brand Oil Filters 09/86