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Technify Motors Cessna 172 Maintenance Manual

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Airplane Maintenance
This Supplement to the Airplane Maintenance Manual must
be read completely before maintenance action, as it
contains important safety information.
The organizations and staff who carry out these
maintenance action must be approved by the authority,
with the exception of the "Pre-flight check"
The Supplement to the Airplane Maintenance Manual is to
be included with every Cessna 172 / TAE 125-02-99 and TAE
Please report any service difficulties to the Technical
Support Center at Technify Motors GmbH.
See above for contact information.
Technify Motors GmbH
Platanenstraße 14
D - 09356 St. Egidien
Supplement
Manual
Cessna 172
TAE 125-02-99
(CD-135 / CENTURION 2.0)
TAE 125-02-114
(CD-155 / CENTURION 2.0 S)
Doc. No.: AMM-20-02
Version: 3/1
CAUTION:
CAUTION:
Note:
125-02-114 installation
Note:
Tel. +49-(0)37204/ 696-0
Fax +49-(0)37204/ 696-2912
www.continentaldiesel.de
support@continentaldiesel.de

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Summary of Contents for Technify Motors Cessna 172

  • Page 1 “Pre-flight check“ Note:  The Supplement to the Airplane Maintenance Manual is to be included with every Cessna 172 / TAE 125-02-99 and TAE 125-02-114 installation Note:  Please report any service difficulties to the Technical Support Center at Technify Motors GmbH.
  • Page 2 Copyright © These technical data and the information contained therein are the property of Technify Motors GmbH and may not be reproduced either in full or in part or passed on to a third party without written consent from Technify Motors GmbH.
  • Page 3 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 TABLE OF CONTENTS LIST OF REVISIONS ............1 LIST OF APPLICABLE CHAPTERS ......2 INTRODUCTION ............1 01.1 ACCOMPANYING APPLICABLE DOCUMENTS ...............1 01.2 IDENTIFICATION OF Components.......2 01.3 CONVENTIONS IN THIS MANUAL ......4 01.4...
  • Page 4 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 06.2 ENGINE.................1 06.3 PROPELLER ..............2 06.4 FUEL SYSTEM .............2 Placards and Markings ..........1 11.00 Exterior Placards and Markings........1 11.10 Interior Placards ............2 SERVICING..............1 12.00 GENERAL ..............1 12.10 REPLENISHING............4 12.20 SCHEDULED SERVICING..........7...
  • Page 5 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 31.50 CENTRAL WARNING SYSTEMS .........1 31.60 INDICATING INSTRUMENTS ........3 31.70 Sensors ................6 VACUUM...............1 37.00 GENERAL ..............1 PROPELLER ..............1 61.10 CONSTANT SPEED PROPELLER .......1 61.20 CONSTANT SPEED UNIT ..........1 POWER PLANT ............1...
  • Page 6 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 OIL ................1 79.00 GENERAL ..............1 79.30 INDICATING..............5 STARTING ..............1 80.00 GENERAL ..............1 CHARTS AND WIRING DIAGRAMS......1 91.10 WIRING DIAGRAMS .............1 91.20 SPECIAL TOOLS ............39 Chapter: 20-AMM-01-02 Issue: Issue Date: 06.11.2013...
  • Page 7 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 LIST OF REVISIONS Issue/ Chapter Date Approved by Revision 20-AMM-00-02 25.08.2014 Heinich 20-AMM-01-02 25.08.2014 Heinich 20-AMM-04-02 25.08.2014 Heinich 20-AMM-05-02 25.08.2014 Heinich 20-AMM-06-02 25.08.2014 Heinich 20-AMM-11-02 25.08.2014 Heinich 20-AMM-12-02 25.08.2014...
  • Page 9 Any amendments released through the update information service must also be taken into account. Please contact Technify Motors GmbH if you have any questions. We would be glad to assist you further. 01.1...
  • Page 10 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 01.2 IDENTIFICATION OF Components Engine identification The serial number of the engine is provided on the type plate on the crankcase near the starter flange. Example: Figure 1 Type Plate ...
  • Page 11 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Engine Mount identification The engine mount is indicated by a part number and a serial number as shown in the following picture. The first part constitutes the part number, the last four digits are the serial number.
  • Page 12 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Propeller identification The serial number of the propeller MTV-6-A/187-129 consists of five digits and is provided at the back side of the propeller flange and on a label at the front side of one propeller blade.
  • Page 13 Technify Motors GmbH and integrating them into this manual. Please inform Technify Motors GmbH if the owner of the engine /aircraft changes. This is the only way to ensure that information about any necessary/recommended changes to the engine/ manual can be passed on.
  • Page 14 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 01.10 SERVICE LIFE OF THE ENGINE For Service Life of the engine refer to Chapter 04. Chapter: 20-AMM-01-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014...
  • Page 15 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 01.11 CONVERSION FACTORS  CAUTION: The US units in this manual are only benchmarks! These con- version factors shall be used in case of any doubt! LENGTH Unit [Abbreviation]...
  • Page 16 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 MASS Unit [Abbreviation] Conversion Factor Conversion Factor SI to US / Imperial US / Imperial to SI Kilogram [kg] [kg] / 0.45359 = [lb] Pound [lb] [lb] x 0.45359 = [kg]...
  • Page 17 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 AIRWORTHINESS LIMITATIONS, ISSUE 3 AIRWORTHINESS LIMITATIONS APPROVAL SHEET The Airworthiness Limitation Section is EASA approved and mandatory. It specifies required maintenance unless an alternative program has been EASA approved.
  • Page 18 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 04.3 LOG OF REVISIONS TO AIRWORTHINESS LIMITATIONS Rev. No Description of Revision AIRWORTHINESS LIMITATIONS Chapter: 20-AMM-04-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 19 The up-to-date information is published in service bulletins.  Note: Further information concerning service partners and servicing or parts to be replaced can be obtained from Technify Motors GmbH.  Note: Technify Motors GmbH must be informed immediately in case of engine malfunction.
  • Page 20 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 05.10 TIME LIMITS INSPECTION REQUIREMENTS The required periodic inspection procedures are listed in 5.20 Scheduled Maintenance. PREFLIGHT CHECKS Perform a thorough preflight and walk-around check in addition to inspection intervals in periodic inspections.
  • Page 21 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 5.20.01 Checks dependent on engine operating time: After initial 3rd - 6th operating hour • Further maintenance action according to Operation and Maintenance Manual OM-02-02 Every 100 operating hours / Annual Inspection •...
  • Page 22 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Every 500 operating hours • Work as described for every 100 operating hours • Inspect main battery and excitation battery, servicing the batteries (refer to Chapter 24, Section 24.30, Maintenance...
  • Page 23 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 5.20.02 Checks dependent on calendar time: Every month • Further maintenance action according to Operation and Maintenance Manual OM-02-02 Every 12 months • Further maintenance action according to Operation and Maintenance Manual OM-02-02 •...
  • Page 24 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Every 25 years • Renew following electrical components (refer to Chapter 24, Section 24.30, Maintenance Practices and airplane manufacturer´s specifications): - Main battery according to Gill Battery Service...
  • Page 25 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 05.50 UNSCHEDULED MAINTENANCE Engine Events: Overspeed, sudden stoppage, loss of oil, over temperature, lightning strike, propeller strike. Refer to • Operation and Maintenance Manual OM-02-02 • Repair Manual RM-02-02 •...
  • Page 26 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 This page intentionally left blank Chapter: 20-AMM-05-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 27 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 DIMENSIONS AND AREAS 06.1 MODEL C-172 F, G, H, I, K, L, M, N, P, R, S with TAE 125-02-99 / -114 06.2 ENGINE  CAUTION: Additional information are available in IM-02-02 and must be taken into account.
  • Page 28 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Gearbox Oil ......Shell Getriebeöl EP 75W-90 API GL-4 Shell Spirax EP 75W-90 Shell Spirax S4 G 75W-90 Shell Spirax GSX 75-80 GL-4 Shell Spirax S6 GXME 75W-80 Shell Spirax S6 ATF ZM Centurion Gearbox Oil N1 Oil Capacity Gearbox ....1 liter (0.26 US gal)
  • Page 29 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 06.4 FUEL SYSTEM  Note: Due to the higher specific density of Kerosene in comparison to Aviation Gasoline (AVGAS) the permissible tank capacity has been reduced. C-172 F,G,H 2 Standard tanks: ......
  • Page 30 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 C-172 N,P utility category 2 Integral Tanks: ......each 23.95 US gal (90.7 l) total capacity: ........ 47.9 US gal (181.4 l) total usable fuel: ......41.9 US gal (158.6 l) total unusable fuel: ......
  • Page 31 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Placards and Markings This chapter describes all additional decals provided when installing a TAE 125-02-99 / -114 engine.  Note: Refer to the original Aircraft Maintenance Manual for information on type, removal and installation of decals.
  • Page 32 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 11.5 Cessna N,P Figure 11.6 Cessna P (integral) Figure 11.7 Cessna R,S Figure 11.8 Cessna R,S (utility) 11.10 Interior Placards Placards General Engine Oil The decal is attached to the inside of the oil dipstick inspection door.
  • Page 33 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Fuel Selector Valve TAE EPA 20-2820-H0071 01 label set, STANDARD TANKS LONG RANGE TANKS fuel selector BOTH LEFT RIGHT BOTH LEFT RIGHT 114.4 ltr 57.2 ltr 57.2 ltr C172 F, G, H 30.2 gal...
  • Page 34 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 This page intentionally left blank Chapter: 20-AMM-11-02 Issue: Issue Date: 25.08.2014 Rev. No: Page: Rev. Date: Content:...
  • Page 35 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 SERVICING 12.00 GENERAL The following figures show the service points of the engine installation. Figure 1 Service Point TAE 125-02-99 Engine Oil Filter Figure 2 Service Points TAE 125-02-114...
  • Page 36 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 3 Service Points TAE 125-02-99 Micro Filter Single Stage Pump Gearbox Oil Inspection Glas Figure 4 Service Points TAE 125-02-114 Micro Filter Single Stage Pump Gearbox Oil Inspection Glas...
  • Page 37 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 5 Service Points TAE 125-02-99 / -114 Air Filter Fuel Filter Fuel Filter Drain Cleaning of the engine compartment Care must be taken when cleaning the engine compartment. If leaks are noticed, determine their location before cleaning.
  • Page 38 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 12.10 REPLENISHING FUEL SYSTEM Filling Fuel Tanks  WARNING: Observe all required safety precautions for handling kerosene.  CAUTION: Fill tanks with approved fuels only! For approved fuel refer to Chapter 06, Section 06.2.
  • Page 39 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Draining the aircraft fuel system You can use the fuel drain valve in each tank and the drain valve in the header tank to defuel the airplane. Engine Oil System Check engine oil level before each flight according to the appropriate POH supplement.
  • Page 40 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Liquid Cooling System General  WARNING: Risk of scalding! The cooling system may be pressurized. Carefully release the pressure before opening the drain plug.  CAUTION: Do not drain the coolant if its temperature is above 40°C!
  • Page 41 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 12.20 SCHEDULED SERVICING  Note: See also Scheduled Maintenance Checks in Chapter 05, Section 05.20. Electrical System Refer to Chapter 05 of this supplement for checks of the electrical system.
  • Page 42 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 This page intentionally left blank Chapter: 20-AMM-12-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 43 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 STANDARD PRACTICES - AIRFRAME 20.00 GENERAL DESCRIPTION This chapter contains data about standard and special torque values as well as the approved firewall sealants. 20.10 Standard Torque Values This chapter only has data about standard threaded fasteners.
  • Page 44 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Dash Size Material Dash 03 Aluminium Stahl Dash 04 Aluminium Stahl Dash 06 Aluminium Stahl Dash 08 Aluminium Stahl Dash 10 Aluminium Stahl Dash 12 Aluminium Stahl Table 2: Tightening torques for Dash connectors...
  • Page 45 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 20.20 Firewall Sealants Manufacturer Description Address PRC-DeSoto PR-812 Hutchinson International / Le Joint Français Hutchinson 84-116, rue Salvador Allende B.P. 16F- 95870 Bezons, France PRC-DeSoto International, Inc. 5454 San Fernando Road,...
  • Page 46 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 This page intentionally left blank Chapter: 20-AMM-20-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 47 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 ENVIRONMENTAL SYSTEMS 21.00 GENERAL DESCRIPTION The engine installation includes a heat exchanger, which is part of the liquid coolant system and is located at the lower front section of the engine compartment.
  • Page 48 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 2 Coolant System (TAE 125-02-114) Figure 3 Heat Exchanger (TAE 125-02-99 / -114) Heat Exchanger Coolant OUT Coolant IN Chapter: 20-AMM-21-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev.
  • Page 49 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 4 Coolant Hose System (TAE 125-02-99) Coolant Hose, Heat Exchanger IN Coolant Hose, Heat Exchanger OUT Figure 5 Coolant Hose System (TAE 125-02-114) Heat Exchanger Coolant Hose, Heat Exchanger OUT...
  • Page 50 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 6 Air Hose System C-172 F, G, H, I, K, L, M, N, P (TAE 125-02-99) Air Hose, Heat Exchanger to Firewall Figure 7 Air Hose System C-172 R, S (TAE 125-02-99)
  • Page 51 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 8 Air Hose System for all versions with TAE 125-02-114 installation Figure 9 Air Hose assembled for all versions with TAE 125-02-114 installation Chapter: 20-AMM-21-02 Issue: Issue Date: 06.11.2013...
  • Page 52 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 This page intentionally left blank Chapter: 20-AMM-21-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 53 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 ELECTRICAL POWER 24.00 GENERAL DESCRIPTION AND OPERATION There are different electrical system variants possible: • 14 Volt or • 28 Volt The 14 V system is equipped with a 90 amp alternator, a 14 V starter, a 12 V battery and an excitation battery for the alternator.
  • Page 54 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 24.30 DC GENERATION PRECAUTIONS The following precautions must be observed when testing the electrical system.  WARNING: Failure to observe these precautions will result in serious damages to the electrical equipment! ...
  • Page 55 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 TROUBLESHOOTING Trouble Check Corrective Action Lack of alternator Check alternator wiring Replace alternator wiring current Check alternator fuse Replace alternator fuse Check alternator relay Replace alternator relay Check alternator switch...
  • Page 56 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Inspecting the Main Battery or FADEC backup battery • Visually inspect the battery for signs of damage, leaks and corrosion. Refer to the battery manufacturer’s specifications (refer to 01.1).
  • Page 57 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 1 Main Battery 28V Disconnect the positive cable from the main battery. Connect the Main Battery after Maintenance Connect the positive cable to the main battery  CAUTION:...
  • Page 58 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Replacing the Main Battery Remove the Main Battery Remove the bottom of the extended baggage area. Refer to the airplane manufacturers specifications. Remove the cover from the battery box.
  • Page 59 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02  Note: The external power connector is only to be used to charge the battery. Replacing the Excitation Battery Remove the Excitation Battery Disconnect the main battery. Refer to 3, Disconnect / Connect the Main Battery for Maintenance.
  • Page 60 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Functioning check of the FADEC backup battery Start engine in accordance with Technify Motors GmbH POH supplement Turn off all avionics FADEC Backup Battery Test a) Alternator - OFF, engine must operate...
  • Page 61 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 24.50 ELECTRICAL LOAD DISTRIBUTION TROUBLESHOOTING For Troubleshooting in case of malfunction refer to Chapter 71. MAINTENANCE PRACTICES General These maintenance practices provide instructions to inspect • all relays •...
  • Page 62 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Accomplishing a function test of all relays Depending on installation, test the following relays: • Battery Relay (located in the Junction-Box on the firewall) • Alternator Relay (located in the Junction-Box on the firewall) •...
  • Page 63 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Accomplish the function test of the Glow Relay Battery Switch - ON Engine Master - ON Voltage at the Glow Plugs, Glow Lamp “ON“ (approx. 5sec.) => Glow Relay OK...
  • Page 64 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Accomplish the function test of the Main Bus Switch Battery Switch - ON Main Bus Switch - ON Main Bus Relay on, Avionics, Lights etc. functional => Main Bus Switch OK...
  • Page 65 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Accomplish the function test of the Force B Switch Battery Switch - ON Engine Master - ON Start engine  WARNING: Only run the engine on the ground with the propeller running,...
  • Page 66 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Accomplish the function test of the AED/CED Test Knob Battery Switch - ON Push AED/CED test knob => Self test AED/CED => AED/CED Test Knob OK Battery Switch - OFF...
  • Page 67 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 => Circuit Breaker FADEC A/B OK Remove CAN communication Engine Master - OFF Battery Switch - OFF Accomplish the function test of the Circuit Breaker AED/CED Battery Switch - ON...
  • Page 68 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 This page intentionally left blank Chapter: 20-AMM-24-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 69 GENERAL DESCRIPTION The fuel system of the TAE 125-02-99 installation includes the original standard or long-range tanks of the Cessna 172. Additional sensors for Fuel Temperature and "Low Level" Warning (if not installed already) are installed in the fuel tanks.
  • Page 70 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 28.20 DISTRIBUTION TAE 125-02-99 installation Figure 1 Fuel System Diagram C-172 F/G/H/I/K/L/M (left, right) Chapter: 20-AMM-28-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 71 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 2 Fuel System Diagram C-172 F/G/H/I/K/L/M (left, right, both) Chapter: 20-AMM-28-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 72 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 3 Fuel System Diagram C-172 N/P (left, right) Chapter: 20-AMM-28-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 73 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 4 Fuel System Diagram C-172 N/P (left, right, both) Chapter: 20-AMM-28-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 74 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 5 Fuel System Diagram C-172 R/S Chapter: 20-AMM-28-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 75 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 TAE 125-02-114 installation Figure 6 Fuel System Diagram C-172 F/G/H/I/K/L/M Chapter: 20-AMM-28-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 76 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Engine 60°C Fuel Filter Module Electric Pump Fuel cooler Shut-off valve Check valve Reservoir Reservoir tank venting line tank Fuel selector Fuel tank left Fuel tank right Fuel tank venting line...
  • Page 77 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Engine 60°C Fuel Filter Module Shut-off valve Fuel cooler Electric Pump Reservoir tank venting line Check valve Reservoir tank Fuel selector Fuel tank left Fuel tank right Fuel tank venting line...
  • Page 78 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Fuel Filter Bowl Figure 9 Figure 10 Fuel Filter Bowl Disassembled Top Lid Fuel Filter Housing Fuel Filter Cartridge Spring Bottom Lid Chapter: 20-AMM-28-02 Issue: Issue Date: 06.11.2013 Rev.
  • Page 79 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 11 Bottom Lid with O-ring O-Ring Figure 12 Bleed screw in top lid Bleed Screw Chapter: 20-AMM-28-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014...
  • Page 80 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 MAINTENANCE PRACTICES General These maintenance practices provide instructions to remove / install the fuel filter and replace the fuel filter car- tridge. Removing / Installing the Fuel Filter and replace the...
  • Page 81 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Carefully screw the bottom lid (5) onto the fuel filter housing (2), ensuring the spring seats correctly both in the lid and the fuel filter cartridge. Tighten the lid using a 27 mm wrench.
  • Page 82 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 TROUBLESHOOTING T ro u b le Ca u se Co rre ctive Actio n F uel low level warning Low F uel S ens or defec tive Replac e Low F uel S ens or...
  • Page 83 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 MAINTENANCE PRACTICES General These maintenance practices provide instructions to replace the low fuel sensor (C-172 F,G,H,I,K,L,M,N,P) and the fuel temperature sensor.  WARNING: Avoid contact with fuel. Fuel can cause skin disease! ...
  • Page 84 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 13 Low Fuel Sensor C-172 F,G,H,I,K,L,M,N,P Low Fuel Sensor Crush Washer Fitting Clean the tank and the fitting. Install the new Low Fuel Sensor Refer to IM-20-02.
  • Page 85 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 14 Fuel Temperature Sensor C-172 F,G,H,I,K,L,M,N,P Cover Fuel Temperature Sensor Seal Ring Connector Fitting Clean the tank and the fitting. Install the new Fuel Temperature Sensor Refer to IM-20-02.
  • Page 86 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Replacing the Fuel Temperature Sensor (C-172 R,S) Remove the Fuel Temperature Sensor Remove the access panel. See Figure 15. Access Panel Access Panel Figure 15 Access Panel C-172 R,S Disconnect the connector of the fuel temperature sensor.
  • Page 87 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Make sure that the tank and the adapter of the fuel temperature sensor are clean. Install the new Fuel Temperature Sensor Refer to IM-20-02. Chapter: 20-AMM-28-02 Issue: Issue Date: 06.11.2013...
  • Page 88 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 This page intentionally left blank Chapter: 20-AMM-28-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 89 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 INDICATING / RECORDING SYSTEMS 31.50 CENTRAL WARNING SYSTEMS Light panel The engine installation includes a light panel, which is installed on the instrument panel with the following functions:...
  • Page 90 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 C-172 R/S Lightpanel Function FADEC Test Knob Warning Lights for FADEC A and B FADEC Force B Switch for FADEC Alternator Warning light AED Caution light for AED 125...
  • Page 91 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 31.60 INDICATING INSTRUMENTS CED 125 Figure 2 CED 125 The engine data of the engine installation to be monitored are integrated in the combined engine instrument CED-125. The ranges of the individual engine monitoring parameters are shown in the following table.
  • Page 92 FUEL FLOW gal/h Figure 3 AED 125  Note: For Cessna 172 R/S installation there is no ammeter on the AED display. Additional airplane data to be monitored are integrated in the auxiliary engine instrument AED 125: • Warning Lamp "Water Level" for low level of coolant •...
  • Page 93 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 MAINTENANCE PRACTICES General This maintenance practice provides instructions to check the “WATER LEVEL“ signal. Checking the “WATER LEVEL“ signal Drain the Coolant from the Expansion Tank Remove the cap of the expansion tank.
  • Page 94 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Check the “WATER LEVEL“ signal C 172 F,G,H,I,K,L,M,N,P: BATT and Main Bus Switch - ON C 172, R,S: BATT - ON The “WATER LEVEL“ signal (AED-Instrument) must be illuminate Fill the expansion tank half with coolant The “WATER LEVEL“...
  • Page 95 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Replacement of sensors  Note: Please refer to RM-02-02, Chapter 39-40 on how to exchange sensors. Chapter: 20-AMM-31-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014...
  • Page 96 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 This page intentionally left blank Chapter: 20-AMM-31-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 97 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 VACUUM 37.00 GENERAL DESCRIPTION The engine includes a vacuum pump, which is supplying the following flight instruments with suction air: • the artificial horizon • the directional gyro and •...
  • Page 98 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 This page intentionally left blank Chapter: 20-AMM-37-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 99 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 PROPELLER 61.10 CONSTANT SPEED PROPELLER The engine is equipped with propeller MTV-6-A/187-129. For inspections and maintenance of the propeller refer to Operation and Installation Manual of MT-Propeller E124 (ATA 61-01-24).
  • Page 100 Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 The Constant Speed Unit (CSU) is a FADEC-controlled single- acting propeller governor produced by Technify Motors GmbH for hydraulically variable pitch propellers with and without feathering. The CSU is installed on the front side of the gearbox.
  • Page 101 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Pressure Balance Valve Pressure Reducing Valve One Way Valve Figure 4 CSU bottom view Figure 5 CSU top view Chapter: 20-AMM-61-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev.
  • Page 102 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 TROUBLESHOOTING Trouble Cause Corrective Action Propeller surging or low level of gear box oil check oil level at oil viewer "wandering" glass at front side of the gear box...
  • Page 103 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 MAINTENANCE PRACTICES General These maintenance practices provide instructions to re- move/install the Micro Filter. They also provide instructions to calibrate the CSU. Exchanging the Micro Filter Remove the Micro Filter Open safety wire at bottom of the single stage pump.
  • Page 104 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Calibrating the CSU  Note: The calibration of the CSU will be done by the engine manufacturer. If calibration is necessary by authorized maintenance, proceed at a gear box temperature of 50°C as...
  • Page 105 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 POWER PLANT 71.00 GENERAL DESCRIPTION The engine is a liquid-cooled in-line four-stroke 4-cylinder motor with DOHC (double overhead camshaft). The engine is a direct Diesel injection engine with common-rail technology and turbocharged.
  • Page 106 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Crankshaft The stroke is 92 mm (3.62 in), main journal diameter is 55 mm (2.17 in), rod journal diameter is 50 mm (1.97 in). The original 2-mass flywheel is changed to a modified version.
  • Page 107 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Induction and Fuel System A common rail system with electrically actuated injectors is used. The high-pressure fuel pump is driven by the intake cam and is a three piston radial pump. The injection pump is set to a more advanced timing for a cooler exhaust temperature, to ensure a exhaust temperature below 900 °C (during maximum continuous...
  • Page 108 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Then the engine parts are lubricated and cooled by the oil, the turbocharger is supplied by an extra hose. The oil within the engine is passing the bearings and then drops back into the sump.
  • Page 109 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 The coolant temperature is measured in the intake manifold, giving the corresponding temperature value to the FADEC and CED 125. The maximum permitted pressure in the cooling system is limited to 1700 mbar by the cap of the expansion tank.
  • Page 110 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Electronic and Electronical System The engine is controlled via a 32-bit Microprocessor Engine Management system (FADEC) incorporating redundancy. The FADEC consists of two complete and identical redundant halves and the most important sensors (Cam and Crank signals) are redundant as well.
  • Page 111 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Technical Data Type of engine: ......... 4-cylinder inline, DOHC, 4 valves per cylinder Engine code: ........TAE 125-02-99 (CD-135 / CENTURION 2.0) TAE 125-02-114 (CD-155 / CENTURION 2.0 S) Displacement: ........
  • Page 112 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Valve spring installed height: .... 32.5 mm (1.28 in) Max. fuel pressure:......1350 bar (19580 psi) Oil system: Oil pump:........... 1 stage Tappet clearance compensation: ..Hydraulic Type of cam timing drive: ....Chain...
  • Page 113 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Engine Fails to start Code Indication Code Task/Check Check by Corrective Action Charge battery, check battery Engine does Measure battery voltage at battery 1.1 Check battery voltage water level and acidity, replace...
  • Page 114 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 FADEC Test Code Indication Code Task/Check Check by Corrective Action Engine will not Ensure that the engine perform Move power lever to idle position is in idle mode FADEC Test Cycle FADEC power;...
  • Page 115 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Engine runs roughly Code Indication Code Task/Check Check by Corrective Action Isolate faulty injector by running the engine with one injector connector removed at a time. Engine Engine will run best with the faulty vibrates, runs injector disconnected.
  • Page 116 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Engine runs roughly Code Indication Code Task/Check Check by Corrective Action RPM surging (accompanied Ensure fuel type conforms to 8.1 Check fuel quality / type specification in current Operating...
  • Page 117 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Power Delivery Code Indication Code Task/Check Check by Corrective Action Poor throttle Ensure that the specifications 9.1 Check fuel quality / type Contact TAE response ensure to TAE Operation Manual...
  • Page 118 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Power Delivery Code Indication Code Task/Check Check by Corrective Action Connect FADEC Service Tool while performing ground run and reproducing the problem (at max. Sudden power Verify steady fuel (Rail 13.1...
  • Page 119 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Power Delivery Code Indication Code Task/Check Check by Corrective Action Engine does not reach Check engine instrumentation or Verify gearbox oil target RPM or 15.1 connect FADEC Service Tool and Wait for gearbox oil to heat temperature >50°C...
  • Page 120 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Engine Speed Regulation Code Indication Code Task/Check Check by Corrective Action Overspeed (for more than 5 Replenisch gearbox oil / Contact seconds after 16.1 Check gearbox oil level...
  • Page 121 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Engine Speed Regulation Code Indication Code Task/Check Check by Corrective Action Poor engine Replensish gearbox oil / Contact speed 17.1 Check gearbox oil TAE if gearbox has been operated...
  • Page 122 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Cooling System Code Indication Code Task / Check Check by Corrective Action Install cooling system leak tester Low coolant in place of radiator cap. Perform leak check on level / Coolant 21.1...
  • Page 123 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Lubrication System Code Indication Code Task / Check Check by Corrective Action Low oil Replenish oil / Investigate for pressure 24.1 Check oil level secondary damages indication Check oil pressure Ensure SB TAE 125-0003 is Proceed to Code 41, "Erroneous...
  • Page 124 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Induction / Exhaust System Code Indication Code Task / Check Check by Corrective Action Inspect MP lines to FADEC, inspect all hoses, connections. Pressurize induction system Lack of Inspect induction to 2.5 bar, while closing turbo...
  • Page 125 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Lack of Fuel Pressure Code Indication Code Task / Check Check by Corrective Action Refuel aircraft, check fuel filters, Fuel pressure bleed system, ensure both fuel <30 bar during 32.1 Ensure fuel supply...
  • Page 126 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Electrical System / FADEC code Indication Code Task / Check Check by Corective Action Proceed according to Flashing 36.1 indicated Code in event FADEC lights Check FADEC power supply.
  • Page 127 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Electrical System / FADEC code Indication Code Task / Check Check by Corective Action Check corresponding Erroneous Refer to instructions for harness 41.1 connector and wires / indication...
  • Page 128 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Troubleshooting the Wiring Harness To troubleshoot the harness, unplug the connector in question, and perform the following measurements to verify functionality of the harness. If the harness fails the test, repair the connector as necessary.
  • Page 129 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Input From Unit Nominal Value 0  CAM Sensor Connector GND Resistance (Pin 1) (Ensure FADEC power is off) Connector power Connector Gnd Voltage (Ensure Supply (Pin 3)
  • Page 130 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Sensor Properties Nominal Value at Sensor Loacation Connect Measure standart condtions 6300  at Room Oil Filter Housing Pin 1 Resistance T-Oil Temperature (Resistance decreases with increasing temperature)
  • Page 131 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Connector Pin Locations Figure 71.2 Connector used for T-Gear, T-Oil, T-Air, Prop Control, Waste gate Figure 71.3 P-Oil Sensor Connector Figure 71.4 Can Sensor Connector Chapter: 20-AMM-71-02 Issue: Issue Date: 06.11.2013...
  • Page 132 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 71.5 Crank Sensor Connector Figure 71.6 P-Rail Sensor Connector Figure 71.7 Rail Pressure Control Chapter: 20-AMM-71-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 133 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 71.8 Load Sensor Connector Figure 71.9 Coolant Temperature Sensor Connector Figure 71.10 Injector Connector Chapter: 20-AMM-71-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 134 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 71.20 MOUNTS DESCRIPTION The engine mount is made of tubular steel. The engine mount has welded joints. Paint protects the engine mount from corrosion. Welded brackets hold components such as the coolant radiator mount.
  • Page 135 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 MAINTENANCE PRACTICES General This maintenance practice provides instructions to check the engine mount. Checking the engine mounts for signs of corrosion and for chafe marks This is a visual inspection. Check the engine mount for signs of corrosion (e.g.
  • Page 136 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 71.40 ATTACH FITTINGS DESCRIPTION of TAE 125-02-99 installation The radiator mounts are made of tubular steel. The radiator mounts have welded joints. Paint protects the radiator mounts from corrosion. The radiator mounts supports the coolant radiator and the oil radiator.
  • Page 137 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 DESCRIPTION of TAE 125-02-114 installation The coolant cooler brackets are made of aluminium. The surface is corrosion-protected. The collant cooler bracket supports the coolant cooler. The coolant cooler brackets are attached to the engine mount.
  • Page 138 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Replacing the oil and water cooler (TAE 125-02-99) Drain the oil and coolant Remove the air scoop from the coolers (6 screws and washers). Disconnect the hoses from the water cooler and allow the coolant to drain in a suitable container.
  • Page 139 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Mount the water cooler to the bracket (4 mounting points). Connect the water hoses to the cooler. Figure 71.16 Replenish oil and coolant Replenish oil and coolant in accordance with Chapter 12.10.
  • Page 140 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Remove the water cooler Detach the water cooler from the cooler bracket (4 mounting points). Replacing the water cooler Attach adhesive compression tape to the water cooler. See Figure 71.17.
  • Page 141 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Replacing the Intercooler Removing the intercooler Remove the hose and heat protection plate (leading turbocharger) from intercooler. Remove the hose (leading to the intake mani- fold) from the intercooler.
  • Page 142 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 71.18 Figure 71.19 Attach the hose and the heat protection plate from the turbocharger to the intercooler. Attach the hose from the intake manifold to the intercooler.
  • Page 143 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Replacing the Engine Removal  Note: Place a tail stand under aircraft tail before removing the engine. Turn off all electrical switches in the cockpit, then disconnect the battery ground wire at the battery.
  • Page 144 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Installation Mount suitable lifting equipment to the engine and swing engine into alignment with its attach- ing points on the mounts.  Note: Apply bonding lacquer to the ground connections at the engine mount assemblies.
  • Page 145 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Install the muffler. (10) Install propeller. Refer to manufacturer instruc- tions. (11) Install proper grade and amount of operating flu- ids (refer to Chapter 6, Section 6.20, Mainte- nance Practices).
  • Page 146 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 71.21 Air Filter Housing, Air Filter and Alternate Air Door (example firewall installation) Air Filter Air Filter Housing Alternate Air Door Clamp Connection to Air Duct Hole for cylindrical bolt...
  • Page 147 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 MAINTENANCE PRACTICES General These maintenance practices provide instructions to inspect / replace the air filter. Inspecting the air filter This is a visual inspection. The air filter should not be blocked or defective.
  • Page 148 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Inspect turbocharger clamp Remove the turbocharger clamp.  CAUTION: Damage to the turbocharger clamp (esp. O-rings), the turbo- charger as well as piping may occur due to use of force tools (e.g.
  • Page 149 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Replace clamp, inner ring or O-rings as necessary.  CAUTION: If turbo charger system will opened, pay special attention to pre- vent contaminations.  Note: Use lubricant for installation of the O-rings and the inner ring.
  • Page 150 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 This page intentionally left blank Chapter: 20-AMM-71-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 151 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 ENGINE FUEL SYSTEM 73.00 GENERAL DESCRIPTION The engine is a direct Diesel injection engine with common-rail technology. Fuel passes the selector, the electric gear pump (if installed) and reaches the filter module, where the cold fuel is warmed by returning fuel (until the feeding fuel temperature of 60°C).
  • Page 152 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Feed Pump The feed pump is an intake-camshaft driven gearwheel pump which provides the HPP with diesel or jet-fuel with a pressure of 3-5 bar (43.5 psi to 72.5 psi).
  • Page 153 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 High Pressure Pump The high pressure pump is an outlet-camshaft driven radial-piston-pump, which pressurizes the common rail with up to 1350 bar (19580 psi). The HPP is the interface between the low pressure and the high pressure stages.
  • Page 154 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Common Rail The common rail stores the pressure of the HPP and supplies the injectors with fuel. The sensor and the pressure control valve are fit in the common rail.
  • Page 155 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 5 Common Rail (TAE 125-02-114) Rail Pressure Sensor Injector Duct Connection Rail High Pressure Supply Pressure Control Valve Fuel Return Chapter: 20-AMM-73-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev.
  • Page 156 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Pressure Control Valve The pressure control valve sets the correct pressure in the rail. It is a solenoid operation valve actuated by FADEC. The Pressure control valve is provided with a mounting flange for attachment to the rail and connection to the return fuel system.
  • Page 157 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Rail Pressure Sensor The rail pressure sensor measures the instantaneous pressure in the rail and generates an output signal for the FADEC. The fuel flows to the rail pressure sensor through in opening in the rail.
  • Page 158 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Injectors The Injectors are solenoid operation injectors actuated by the FADEC. They inject the fuel out of the common rail into the combustion chamber of each cylinder. Fuel is fed from the high pressure connection, to the nozzle through the passage, and to the control chamber through the feed orifice which is opened by the solenoid valve.
  • Page 159 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 8 Injectors Fuel Return Electrical Connection Triggering Element High Pressure Fuel Inlet Valve Ball Bleed Orifice Feed Orifice Valve Control Chamber Valve Control Plunger 10 Feed Passage to the Nozzle...
  • Page 160 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Controlling With the engine installation, the pilot selects the desired load with the single load lever which is connected to two redundant Load Potentiometers. The FADEC regulates all engine parameters to achieve the desired condition.
  • Page 161 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 IGNITION 74.00 GENERAL DESCRIPTION Due to the Diesel principle of the engine, no ignition system is necessary. The engine is equipped with 4 glow plugs - one for each cylinder - for better starting behavior under cold weather conditions.
  • Page 162 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 This page intentionally left blank Chapter: 20-AMM-74-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 163 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 LIQUID COOLING 75.00 GENERAL DESCRIPTION The engine is fitted with a fluid-cooling system whose three-way thermostat regulates the flow of coolant between the large and small cooling circuit.
  • Page 164 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Coolant level warning Cooling system TAE 125 schematic Expansion Tank Flow direction Coolant radiator Water pump Heating radiator Small External circuit circuit Engine Gearbox oil cooler (oil/ water heat...
  • Page 165 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Disconnect the hose from coolant radiator to ex- pansion tank on tank side (expansion tank „IN“) Plug the hose. Plug has to withstand a pressure of 2.3 bar (33.3 psi).
  • Page 166 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02  Note: The bent latches must be inspected for cracks as well as proper fit before installation of cap. Experience shows, that each latch can be bended (up and back again) 3 to 4 times, alter latches during adjustment.
  • Page 167 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 First installation of gearbox with oil cooler Removal of the old gearbox Disconnect the bracket (holding the water pipe) from the gearbox. Figure 4 Disconnect the hose leading to the heat ex- changer from the intake manifold.
  • Page 168 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 5 Figure 6  Note: Discard all self locking nuts. Remove all ground connections and engine loom connections from the gearbox. Remove the gearbox. Please refer to RM-02-02 for details.
  • Page 169 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Installation of the new gearbox Attach the new gearbox. For installation procedures please refer to RM-02-02. Mount the new bracket to the gearbox using two hexagon screws M6x12 and two of the original washers.
  • Page 170 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 8 Hose Hose clamp RSGU Clamp Hexagon screw M6x12 and washer M6 Bracket Shorten the original heat exchanger hose to 80cm and attach it to the lower connection on the oil/water heat exchanger using a clamp (RSGU 25/15).
  • Page 171 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 9 Heat exchanger hose RSGU clamp Attach the bracket for the water pipe to the gearbox using a hexagon screw (M6x12) and a washer (M6). Figure 10...
  • Page 172 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 (11) Reconnect all ground connections and plugs to the gearbox. (12) Use clips to secure cables at the propeller housing. (13) Use cable ties where appropriate. Exchanging the gearbox with oil cooler...
  • Page 173 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Disconnect the heat exchanger hose from the oil/ water heat exchanger. Remove a clamp (RSGU) at the gearbox and the hose clamp at the oil/wa- ter heat exchanger.
  • Page 174 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Disconnect the bracket (holding the heating pipe) from the gearbox. See Figure 14. Figure 14  Note: Discard all self locking nuts. Remove the gearbox. Please refer to RM-02-02 for details.
  • Page 175 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 15 Mount the hose between intake manifold and oil/ water heat exchanger using two hose clamps. See Figure 16. Attach the hose to the gearbox using a clamp, a hexagon screw (M6x12) and a washer (M6).
  • Page 176 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 16 Hose Hose clamp RSGU Clamp Hexagon screw M6x12 and washer M6 Bracket Attach the bracket for the water pipe to the gear- box using the original hexagon screw (M6x12) and washer (M6).
  • Page 177 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 17 Attach the heat exchanger hose to the oil/water heat exchanger using a clamp (RSGU 25/15). See Figure 18. Reuse the original clamp (RSGU 25/15), a washer (M6) and a hexagon screw (M6x12) to mount the hose to the gearbox.
  • Page 178 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Reconnect all ground connections and plugs to the gearbox. Use clips to secure cables at the propeller housing. (10) Use cable ties where appropriate. Replacing the silicate cartridge of expansion tank ...
  • Page 179 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 19 Inspect cartridge for damages. If silicate car- tridge is damaged please contact the technical service at Technify Motors GmbH. Replace cartridge as well as o-ring. Install bottom cover.
  • Page 180 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 (10) Replenish the cooling system as well as check- ing the „water level“ signal simultaneously. See Chapter 31, Section 31.60. (11) Close cap of coolant filler and perform a coolant cap pressure relief test.
  • Page 181 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 ENGINE INDICATION 77.00 GENERAL DESCRIPTION For indication instruments refer to Chapter 31 of this supplement. Chapter: 20-AMM-77-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 182 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 This page intentionally left blank Chapter: 20-AMM-77-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 183 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 EXHAUST 78.00 GENERAL DESCRIPTION The exhaust system includes a muffler. The turbocharger is driven by exhaust gases. For inspection intervals of the exhaust system refer to Chapter 05 of this supplement.
  • Page 184 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 This page intentionally left blank Chapter: 20-AMM-78-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 185 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 79.00 GENERAL ENGINE OIL SYSTEM The engine oil system is a wet oil sump system. The oil system is used for lubrication, cooling and the micro sealing of the engine in the area of the piston and cylinder.
  • Page 186 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 The following limitations are established for the oil system: min. oil temperature for engine start: ..-32°C min. oil temperature for operation: ....50°C max. oil temperature: .........140°C min. oil pressure: ........1.2 bar (17.4 psi) min.
  • Page 187 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 79.2Engine Oil System with Blowby System (TAE 125-02-114) Figure 79.3Engine Oil System with centrifugal separator (TAE 125-02-114) Chapter: 20-AMM-79-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014...
  • Page 188 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 GEARBOX OIL SYSTEM The gearbox oil system is a wet oil sump system. Gearbox oil is used for lubrication and cooling of the gearbox and for operation of the propeller regulation by the Constant Speed Unit. The...
  • Page 189 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 79.30 INDICATING Relating to oil the Compact Engine Display CED 125 is indicating the following parameters: • engine oil pressure "OP" • engine oil temperature "OT" and •...
  • Page 190 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 This page intentionally left blank Chapter: 20-AMM-79-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 191 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 STARTING 80.00 GENERAL DESCRIPTION Depending on the electrical system variant of the installed engine it is equipped with a 14 V or a 28 V for TAE 125-02-99 and a 28 V for TAE 125-02-114 engine starter respectively.
  • Page 192 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 This page intentionally left blank Chapter: 20-AMM-80-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 193 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 CHARTS AND WIRING DIAGRAMS 91.10 WIRING DIAGRAMS Depending on the electrical system variant of the installed CENTURION 2.0 / CD-135 engine, the wiring diagram for a 14V or 28V system is applicable.
  • Page 194 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 from Display Loom Con. MIL 6pin Figure 1 Wiring of the 14V Electrical System (C172 F,G,H,I,K,L,M,N) Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014...
  • Page 195 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Con. Superseal 3 pin Con. Solder Sleeve Con. Superseal 3 pin Con. Superseal 6 pin Con. SubD 9pin to Relayboard Figure 1 Wiring of the 14V Electrical System (C172 F,G,H,I,K,L,M,N)
  • Page 196 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 from Display Loom Con. MIL 6pin Figure 2 Wiring of the 14V Electrical System (C172 F,G,H,I,K,L,M,N) with „FADEC backup battery“ and Alternator switch Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013...
  • Page 197 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Con. Superseal 3 pin Con. Solder Sleeve Con. Superseal 3 pin Con. Superseal 6 pin Con. SubD 9pin to Relayboard Figure 2 Wiring of the 14V Electrical System (C172 F,G,H,I,K,L,M,N) with „FADEC backup battery“...
  • Page 198 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 from Display Loom Con. MIL 6pin Figure 3 Wiring of the 28V Electrical System (C172 N,P) Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014...
  • Page 199 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Con. Superseal 3 pin Con. Solder Sleeve Con. Superseal 3 pin Con. Superseal 6 pin Con. SubD 9pin to Relayboard Figure 3 Wiring of the 28V Electrical System (C172 N,P)
  • Page 200 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 from Display Loom Con. MIL 6pin Figure 4 Wiring of the 28V Electrical System (C172 N,P) with „FADEC backup battery“ and Alternator switch Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013...
  • Page 201 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Con. Superseal 3 pin Con. Solder Sleeve Con. Superseal 3 pin Con. Superseal 6 pin Con. SubD 9pin to Relayboard Figure 4 Wiring of the 28V Electrical System (C172 N,P) with „FADEC backup battery“ and...
  • Page 202 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Con. MIL 6pin Figure 5 Wiring of the Electrical System (C172 R,S) Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 203 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Con. Superseal 3 pin Con. Solder Sleeve Con. Superseal 3 pin Con. Superseal 6 pin Con. SubD 9pin to J - BOX Figure 5 Wiring of the Electrical System (C172 R,S)
  • Page 204 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Con. MIL 6pin Figure 6 Wiring of the Electrical System (C172 R,S) with „FADEC backup battery“ and Alternator switch Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev.
  • Page 205 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Con. Superseal 3 pin Con. Solder Sleeve Con. Superseal 3 pin Con. Superseal 6 pin Con. SubD 9pin to J - BOX Figure 6 Wiring of the Electrical System (C172 R,S) with „FADEC backup battery“ and Alternator...
  • Page 206 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 &RQ 0,/ SLQ Figure 7 Wiring of the Electrical System (C172 R,S) with „FADEC backup battery“, Alternator switch and service bulletin TM TAE 601-1004 P1 incorporated Chapter: 20-AMM-91-02...
  • Page 207 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 &RQ 6XSHUVHDO  SLQ &RQ 6ROGHU 6OHHYH &RQ 6XSHUVHDO  SLQ &RQ 6XSHUVHDO  SLQ &RQ 6XE' SLQ WR -  %2; Figure 7 Wiring of the Electrical System (C172 R,S) with „FADEC backup battery“, Alternator switch...
  • Page 208 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 91.10.02 Wiring diagrams for Centurion 1.7 to TAE 125-02-99 conversion: Figure 1: Wiring of the 14V Electrical System (C172 F,G,H,I,K,L,M,N) Figure 2: Wiring of the 14V Electrical System (C172 F,G,H,I,K,L,M,N) with "FADEC backup battery"...
  • Page 209 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 1 Wiring of the 14V Electrical System (C172 F,G,H,I,K,L,M,N) Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 210 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 2 Wiring of the 14V Electrical System (C172 F,G,H,I,K,L,M,N) with "FADEC backup battery" and Alternator switch Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014...
  • Page 211 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 3 Wiring of the 28V Electrical System (C172 N,P) Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 212 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 4 Wiring of the 28V Electrical System (C172 N,P) with "FADEC backup battery" and Alternator switch Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014...
  • Page 213 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 5 Wiring of the Electrical System (C172 R,S) Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 214 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 6 Wiring of the Electrical System (C172 R,S) with "FADEC backup battery" and Alternator switch Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014...
  • Page 215 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 7 Wiring of the Electrical System (C172 R,S) with "FADEC backup battery", Alternator switch and service bulletin TM TAE 601-1004 P1 incorporated Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013...
  • Page 216 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 91.10.03 Wiring diagrams for TAE 125-02-114 installation: Figure 1: Wiring of the 14V Electrical System (C172 F,G,H,I,K,L,M,N) Figure 2: Wiring of the 28V Electrical System (C172 N,P) Figure 3: Wiring of the Electrical System (C172 R,S)
  • Page 217 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 FROM DISPLAY LOOM CON. MIL 6 PIN Figure 1 Wiring of the 14V Electrical System (C172 F,G,H,I,K,L,M,N) Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014...
  • Page 218 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 1 Wiring of the 14V Electrical System (C172 F,G,H,I,K,L,M,N) Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 219 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 )520 ',63/$< /220 &21 0,/  3,1 Figure 1 Wiring of the 14V Electrical System (C172 F,G,H,I,K,L,M,N) Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014...
  • Page 220 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 1 Wiring of the 14V Electrical System (C172 F,G,H,I,K,L,M,N) Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 221 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 FROM DISPLAY LOOM CON. MIL 6 PIN Figure 2 Wiring of the 28V Electrical System (C172 N, P) Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014...
  • Page 222 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 2 Wiring of the 28V Electrical System (C172 N, P) Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 223 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 )520 ',63/$< /220 &21 0,/  3,1 Figure 2 Wiring of the 28V Electrical System (C172 N, P) Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014...
  • Page 224 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 2 Wiring of the 28V Electrical System (C172 N, P) Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 225 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 3 Wiring of the Electrical System (C172 R, S) Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 226 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 3 Wiring of the Electrical System (C172 R, S) Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 227 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 3 Wiring of the Electrical System (C172 R, S) Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 228 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 3 Wiring of the Electrical System (C172 R, S) Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 229 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 4 Wiring of the Electrical System (C172 R, S) with G1000 Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 230 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Figure 4 Wiring of the Electrical System (C172 R, S) with G1000 Chapter: 20-AMM-91-02 Issue: Issue Date: 06.11.2013 Rev. No: Page: Rev. Date: 25.08.2014 Content:...
  • Page 231 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 91.20 SPECIAL TOOLS To perform maintenance actions engines the performing maintenance station must be trained and also be equipped with the specific tooling approved by Technify Motors GmbH.
  • Page 232 Supplement Airplane Maintenance Manual Cessna 172 with TAE 125-02-99 / -114 AMM-20-02 Special Tool Set (P/N: ATA 00-0002-1000) Section Action Qty. Tool description General Torx Sockets E8/10/12 Clutch ring gear locating Special Tool clutch shaft pull Slide Hammer Puller 10mm...