Non-Overhaul Removal and Replacement
Teledyne Continental Motors, Inc.
TM
10-52
IOF-550 Permold Series Engine Maintenance Manual
1 April 2007
10-6.16. Fuel Pressure Sensor Installation
Procedure
1.
Clean the sensor mounting threads as necessary.
2.
Visually inspect the mounting threads for deformation.
3.
Apply Thread Sealant to the second and third threads of the pressure sensor.
4.
Thread the sensor into the fuel distribution block. Torque the sensor to according to
the value specified in Appendix B.
CAUTION: Avoid introducing contaminants into the fuel system and
fuel injectors during maintenance. Work with clean hands, tools,
and shop towels. Place protective caps on open fuel line connections
until ready for assembly
5.
Measure the resistance between the engine low voltage harness connector body and
airframe electrical ground bus with a DVM. The resistance must be less than 0.5
ohms.
WARNING
If resistance exceeds 0.5 ohms, a ground fault exists. Correct
the wiring problem and recheck the resistance. Do not return
the aircraft to service until resistance is less than 0.5 ohms.
6.
Connect the engine low voltage harness connector to the Fuel Pressure Sensor; orient
the alignment keys of the connector with those of the sensor. Push the harness
connector onto the sensor connector while turning clockwise until the connector
locking ring snaps into the locked position. When properly mated and locked the
bayonet orientation pins are visible in the locking ring pin observation port.
7.
For proper operation of the engine, route, clamp, support, and protect the wires in the
engine low voltage harness in a manner to prevent chafing, fretting, and wear of the
lead wires. Route and secure the harness IAW Appendix C, “Harness Routing.”
WARNING
Leak check the fuel system after anytime fuel line maintenance
is performed in accordance with “Fuel Pump Operation
Requirements.”
8.
Set the aircraft Fuel Selector Valve to the ON position and activate the fuel boost
pump and leak check the fuel delivery system.
9.
Perform a “FADEC Level I Diagnostics” in Chapter 8, Troubleshooting of this
manual to check the FADEC System. If the FADEC System fails this diagnostic
check, troubleshoot the system until the malfunction is corrected.
10.
Perform an “Engine Operational Check” according to the instructions in Chapter 6,
Operational Performance Checks.