Teledyne Continental Motors, Inc.
TM
Maintenance
Inspections
7-3.12.2.2. Bypass Fuel Filter Service
The bypass fuel filter assembly (Figure 7-26) contains a removable, reusable filter screen,
held in place by a spring.
Procedure
1.
Disconnect the fuel lines from each end of the filter; place protective caps on the fuel
lines. Remove the filter from the mounting bracket.
2.
Remove safety wire (two places) from the four screws securing the cover and remove
the screws.
3.
Separate the cover from the body and remove the spring and filter screen. Remove
and discard the O-ring from the filter cover.
4.
Clean the fuel filter housing and screen according to “Cleaning” instructions in
Chapter 9.
CAUTION: The fuel filter is sensitive to debris and contamination.
Use only clean, filtered solvent to clean the fuel filter.
5.
If the fuel filter screen cannot be thoroughly cleaned, replace the contaminated
component.
6.
Visually inspect hardware threads and sealing surfaces for wear or rough surfaces.
Replace worn or rough hardware.
7.
Insert the filter screen and spring (in order) into the filter housing.
8.
Install a new O-ring and install the cover with four screws and washers. Torque the
fitting per Appendix B.
9.
Safety wire the four cover screws in pairs per instructions in Appendix C.
10.
Install the fuel filter on the bracket with two screws and washers; torque the screws
according to Appendix B.
FILTER AND HOUSING
ASSEMBLY
SCREEN
SPRING
O-RING
COVER
WASHER
SCREW
Figure 7-26.
Bypass Fuel Filter Assembly
11.
Connect the fuel hoses to the filter, ensuring the arrow on the side of the body points
in the direction of fuel flow. Torque the hose “B” nuts per Appendix B.
IOF-240 Series Engine Maintenance Manual
7-43
31 August 2007
Change 1
