TM 1-1520-238-23 Index 68 Change 5 Subject Para No. Subject Para No. Filter Safety Relief Valve Replacement, Engine Nose Gearbox Oil . . . . . . . . . . 6.20 Filter Sleeve, Manifold Guide, and Spring Replacement, Hydraulic Manifold Return . . . . . . . . . . . . . . . . . . 7.70 Filters Removal/Installation, Engine Nose Gearbox Oil Jet . . . . . . . . . . . . . 6.31 Filters Replacement, Aft Avionics Bay . . 16.35 Fire Bottle Select Switch Replacement, CPG . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.37 Fire Bottle Select Switch Replacement, Pilot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.35 Fire Detection System Inspection . . . . . . 12.16 Fire Extinguisher Cartridge Removal/Installation . . . . . . . . . . . . . . . 12.40 Fire Extinguisher Electronic Module Replacement . . . . . . . . . . . . . . . . . . . . . 12.41 Fire Extinguisher Fitting Replacement, No. 1 Engine . . . . . . . . . . . . . . . . . . . . . 12.43 Fire Extinguisher Fitting Replacement, No. 2 Engine . . . . . . . . . . . . . . . . . . . . . 12.44 Fire Extinguisher Installation, Primary and Reserve . . . . . . . . . . . . . . . . . . . . . 12.39 Fire Extinguisher Mounting Bracket Removal/Installation . . . . . . . . . . . . . . . 2.47 Fire Extinguisher Removal, Primary and Reserve . . . . . . . . . . . . . . . . . . . . . . . . . 12.38 Fire Extinguishing System Inspection . . 12.33 Fire Panel Light Indicating Panel Receptacle Replacement (AVIM), APU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.21 Fire Pull Switch Removal/Installation, CPG Engine . . . . . . . . . . . . . . . . . . . . . 12.36 Fire Pull Switch Removal/Installation, Pilot Engine . . . . . . . . . . . . . . . . . . . . . . 12.34 Fire/Overheat Detector Frame Removal/Installation, Left Engine Firewall Louver . . . . . . . . . . . . . . . . . . . 12.29 Fire/Overheat Detector Frame Removal/Installation, Right Engine Firewall Louver . . . . . . . . . . . . . . . . . . . 12.31 Fire/Overheat Detector Removal/Installation, Left Engine Firewall Louver . . . . . . . . . . . . . . . . . . . 12.28 Fire/Overheat Detector Removal/Installation, Main Deck . . . . 12.32 Fire/Overheat Detector Removal/Installation, Right Engine Firewall Louver . . . . . . . . . . . . . . . . . . . 12.30 Firewall Assembly No. 1 or No. 2 Aft Inboard Engine Mount Support Bearing Bore Repair . . . . . . . . . . . . . . 2.150A Firewall Assembly No. 1 or No. 2 Aft Inboard Engine Mount Support Bearing Replacement . . . . . . . . . . . . . 2.150 Firewall Breakaway Valve Removal/Installation, No. 1 Engine . . 10.104 Firewall Breakaway Valve Removal/Installation, No. 2 Engine . . 10.105 Firewall Louver Fire/Overheat Detector Frame Removal/Installation, Left Engine . . . . . . . . . . . . . . . . . . . . . . . . . . 12.29 Firewall Louver Fire/Overheat Detector Frame Removal/Installation, Right Engine . . . . . . . . . . . . . . . . . . . . . . . . . . 12.31 Firewall Louver Fire/Overheat Detector Removal/Installation, Left Engine . . . 12.28 Firewall Louver Fire/Overheat Detector Removal/Installation, Right Engine . . 12.30 Fit Check, Self-Retaining Bolt . . . . . . . . . 11.1 Fitting Bearing Replacement, Pilot/CPG Canted Bulkhead Seat . . . . . . . . . . . . . 2.162 Fitting Bushing Replacement (AVIM), Vertical Stabilizer Pivot . . . . . . . . . . . . 2.113 Fitting Removal/Installation, CPG Boresight Mount . . . . . . . . . . . . . . . . . . 2.39 Fitting Removal/Installation, Horizontal Stabilator Actuator . . . . . . . . . . . . . . . . 2.114 Fitting Replacement, No. 1 Engine Fire Extinguisher . . . . . . . . . . . . . . . . . . . . . . 12.43 Fitting Replacement, No. 2 Engine Fire Extinguisher . . . . . . . . . . . . . . . . . . . . . . 12.44 Fixed Capacitor C1 or C2 Replacement (AVIM), CPG Caution/Warning Panel 9.118 Fixed Capacitor C1, C2, C3, or C4 Replacement (AVIM), Pilot Caution/Warning Panel . . . . . . . . . . . . 9.111 Fixed Capacitor C3 or C4 Replacement (AVIM), CPG Caution/Warning Panel 9.119