Teledyne Continental Motors, Inc.
TM
Non-Overhaul Removal and Replacement
IOF-550 Permold Series Engine Maintenance Manual
10-7
1 April 2007
10-2.
Fuel Pump Replacement
10-2.1. Fuel Pump Removal
Procedure
WARNING
If all power is not disconnected, a loose or broken wire could
allow the engine to start and the propeller to rotate. Do not
stand or place equipment within the arc of the propeller.
1.
Disconnect engine electrical power, turn the Ignition Switch to the OFF position.
2.
Close and tag the aircraft fuel supply.
3.
Disconnect and place protective caps on the fuel hoses at the fuel pump inlet, fuel
pump outlet, and fuel vapor return and system drain fittings. Label the hose
connections for reinstallation.
4.
Remove the attaching hardware and gasket.
5.
Discard the gasket.
10-2.2. Fuel Pump Installation
Procedure
WARNING
If all power is not disconnected, a loose or broken wire could
allow the engine to start and the propeller to rotate. Do not
stand or place equipment within the arc of the propeller.
1.
Disconnect and place protective caps on the fuel hoses at the fuel pump inlet, fuel
pump outlet, and fuel vapor return fittings.
2.
Apply TCM Gasket Maker to the silk thread and split line of the crankcase at the fuel
pump bore. Place the silk thread ends into the split line of the fuel pump bore.
3.
Inspect the fuel pump drive coupling service limits with Figure 10-1 and Table 10-4.
Replace the drive coupling if it fails to meet the service limits.
4.
Apply Molyshield Grease to the fuel pump drive coupling.
5.
Install the fuel pump drive coupling in the fuel pump.
6.
Install a new gasket on the fuel pump.
7.
Lubricate the fuel pump cavity with clean 50 weight aviation engine oil.
8.
Install the fuel pump on the crankcase using fastening hardware. Torque the fastening
hardware per Appendix B.
9.
Connect the fuel hoses to the appropriate fuel pump inlet, fuel pump outlet, vapor
return and system drain fittings; torque according to Appendix B specifications.
10.
Perform an “Engine Operational Check” in accordance with the Chapter 6,
Operational Performance Checks.