Teledyne Continental Motors, Inc.
TM
Maintenance and Adjustments
IOF-240 Series Engine Maintenance Manual
9-1
29 November 2006
Chapter 9.
MAINTENANCE AND ADJUSTMENTS
CONTENTS
Chapter 9. Maintenance and Adjustments.............................................................................. 9-1
9-1. Cleaning................................................................................................................................ 9-2
9-1.1. Ground Strap Connection Point Cleaning.................................................................................................. 9-4
9-1.2. Cleaning Aluminum Alloy Parts................................................................................................................ 9-5
9-2. Protective Coatings............................................................................................................... 9-6
9-2.1. Alodine ...................................................................................................................................................... 9-6
9-2.2. Aviation Oil ............................................................................................................................................... 9-6
9-2.3. Paint........................................................................................................................................................... 9-7
9-3. Engine Oil Servicing ............................................................................................................ 9-8
9-3.1. Check and Replenish Engine Oil Level ..................................................................................................... 9-9
9-3.2. Oil Change............................................................................................................................................... 9-10
9-3.3. Check for Oil Leaks................................................................................................................................. 9-11
9-3.4. Oil Trend Monitoring and Spectrographic Oil Analysis.......................................................................... 9-11
9-3.5. Oil Sample Collection ............................................................................................................................. 9-12
9-4. Ignition System Maintenance ............................................................................................. 9-13
9-4.1. Spark Plug Replacement.......................................................................................................................... 9-13
9-4.2. Ignition Harness Installation.................................................................................................................... 9-15
9-5. Adjustment Procedures....................................................................................................... 9-17
9-5.1. Throttle Position Switch Adjustment....................................................................................................... 9-17
9-5.2. Fuel System Adjustment.......................................................................................................................... 9-20
LIST OF TABLES
Table 9-1. Cleaning Guidelines for Aircraft Engine Parts........................................................... 9-2
Table 9-2. Cleaning Tips.............................................................................................................. 9-3
Table 9-3. Painting External Parts ............................................................................................... 9-7
Table 9-4. Approved Spark Plug List ........................................................................................ 9-14
LIST OF FIGURES
Figure 9-1. Ground Straps and Connection Points ...................................................................... 9-4
Figure 9-2. IOF-240-B Oil Servicing Points................................................................................ 9-9
Figure 9-3. Spark Plug Inspection Criteria ................................................................................ 9-13
Figure 9-4. Spark Plug Rotation Chart ...................................................................................... 9-14
Figure 9-5. High Voltage Harness Spark Plug Attachment ....................................................... 9-15
Figure 9-6. Ignition Lead Wire Connections to ECUs .............................................................. 9-16
Figure 9-7. Coating Insulating Sleeve: MS 122 DF Spray on Ignition Lead Wire ................... 9-16
Figure 9-8. Throttle Position Switch.......................................................................................... 9-17
Figure 9-9. Fuel Pressure vs. Engine Speed Chart..................................................................... 9-19
Figure 9-10. IOF-240-B Fuel Pump........................................................................................... 9-20
Figure 9-11. Idle Speed Adjustment .......................................................................................... 9-21
