APU OIL FILL TUBE: REMOVAL AND INSTALLATION (CONTINUED)E Disconnect fuel return line (5) from bracket on oil filler tubeassembly (2).FDisconnect fuel return line quick-disconnect coupling (6) fromcoupling half (7) in elbow (8).G Remove elbow (8) from bracket on oil filler tube assembly (2).H Remove screw (9), lockwasher (10) and clamp (11) from oil fillertube assembly (2). Discard lockwasher.IRemove two screws (12), two lockwashers (13) and oil fillertube assembly (2). Discard lockwashers. Screw two screws (12)back in housing.INSTALLATIONASecure clean rags in oil port opening where oil filler tubeassembly (2) was removed.WARNINGDry-cleaning solvent (PD-680) is toxic and flam-mable. To prevent personal injury when usingPD-680, use only in a well-ventilated area. Avoidbreathing vapors. If you become dizzy get freshair immediately and seek medical attention.Avoid contact with eyes, skin and clothing. Useprotective goggles, gloves, and clothing. If con-tact is made, immediately flush with water andseek medical attention. The flashpoint for Type Idry-cleaning solvent is 100°F (38°C); for Type IIit is 138°F (50°C). Do not use near open flame orexcessive heat.BcDEFGHIJKLScrape old gasket (14) from housing and clean housing matingsurface with dry-cleaning solvent (item 20, Appx D).Remove rags from oil port opening. Remove two screws (12)from housing.Apply sealant adhesive (item 5, Appx D) to housing matingsurface, to mating surface of oil filler tube assembly (2) and toboth surfaces of new gasket (14).Position gasket (14) on housing mating surface and install oilfiller tube assembly (2) on housing with two screws (12) andtwo new lockwashers (13).Install clamp (11) on oil filler tube assembly (2) with screw (9)and new lockwasher (10).NOTEUse Teflon tape (item 62, Appx D) on all malepipe fittings prior to installation.Install elbow (8) to bracket on oil filler tube assembly (2).Connect fuel return line quick-disconnect coupling (6) to cou-pling half (7) in elbow (8).Connect fuel return line (5) to bracket on oil filler tubeassembly (2).Install elbow (4) on oil filler tube assembly (2). Connectbreather hose (3) to elbow (4).If gasket (hidden) was removed from cap (1), install newgasket in cap (1).Install cap (1) on oil filler tube assembly (2).TA313066 13-12.1Change 1TM 9-2350-267-20
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