Non-Overhaul Removal and Replacement
Teledyne Continental Motors, Inc.
TM
10-42
IOF-550 Permold Series Engine Maintenance Manual
1 April 2007
NOTE: The fasteners are held in place by the 25-pin connector
backshell and can not be removed from the connector.
6.
Remove the 25-pin connectors by firmly grasping the edges of the connector
backshell and pull the backshell away from the SSA.
WARNING
Do not separate the connector from the SSA by pulling on the
wiring harness. Pulling on the harness can cause permanent,
irreparable damage to the engine low voltage harness which
may result in engine malfunction.
7.
Remove and discard the EMI gaskets and environmental seals from each connector.
8.
Place protective covers over each engine low voltage harness 25-pin connector.
9.
Remove the safety wired clamps from both oil sump electrical connectors and
disconnect the electrical connectors by rotating the locking ring counter-clockwise
and applying gentle outward force on the connector.
10.
Route the signal conditioner leads through aircraft baffles, as required, freeing them
from the engine.
11.
Remove the nuts, lock washers and retainer clips; remove the signal conditioner from
its mounting location.
12.
Discard the signal conditioner gasket and lock washers.
10-6.7.
Signal Conditioner Installation
Procedure
1.
Disconnect electrical power to the engine.
2.
Clean the crankcase and signal conditioner gasket sealing surfaces.
3.
Verify the installation of the magneto drive gear and install the signal conditioner
with a new gasket on the left side (facing aft) magneto drive pad.
4.
Install the securing hardware. Torque the two securing nuts per Appendix B in this
manual.
5.
Route the signal conditioner leads through aircraft baffles, as required, to the SSA
electrical connectors on the oil sump.
6.
Connect both oil sump electrical connectors by rotating the locking ring clockwise
and applying gentle inward force toward the connector. Install a clamp on the
connector and safety wire the clamp to the oil sump bolts according to Appendix C
instructions.
WARNING
If the resistance measured exceeds 0.5 ohms, the system
ground is faulty. Correct the wiring fault before returning the
aircraft to service.
C
B