Teledyne Continental Motors, Inc.
TM
Non-Overhaul Removal and Replacement
IOF-240 Series Engine Maintenance Manual
10-59
31 August 2007
Change 1
17.
Safety wire the connector fasteners according to Appendix C.
18.
Install a 120 lb. cable tie around the connector and associated safety tab to secure the
tab as shown in Figure 10-51 and Figure 10-52. Trim and discard the excess from the
cable tie length after tightening.
19.
Perform a FADEC Level I Diagnostics according to instructions in Chapter 8,
Troubleshooting.
Figure 10-51.
ECU Connector
Figure 10-52.
SSA Conditioner Connector
10-11.2. Ground Strap Installation
The IOF-240 has two ground wires installed between the airframe and each ECU, one
ground strap between the engine and the throttle body and another ground strap between
the crankcase and the oil sump. All ground straps must be in place and functional for
proper FADEC system operation.
Procedure
1.
Clean contact surface thoroughly with MEK or other mild solvent
2.
If Alodine surface is scratched, restore the Alodine treatment according to
instructions in Appendix C.
3.
Install new ground strap with a bolt and washer at each connection point. Torque the
fastener to the specification in Appendix B.
4.
Measure continuity between newly installed ground strap and aircraft ground with
DVM. Resistance should not exceed 0.5 ohms.