TM 1-1520-238-23 Index 72 Change 10 Subject Para No. Subject Para No. Forward Engine Mount Support Removal/Installation, No. 1 or No. 2 . 4.84 Forward Fuel Cell Aft Access Panel and Aft Cover Removal/Installation . . . . . . 10.8 Forward Fuel Cell Aft Fuel Quantity Transmitter Removal/Installation . . . . 10.6 Forward Fuel Cell Air Vent/Pressure Relief Valve Removal/Installation . . . 10.15 Forward Fuel Cell Check/Thermal Relief Valve Removal/Installation . . . . . . . . . 10.11 Forward Fuel Cell Engine Fuel Supply Breakaway Valve Removal/Installation . . . . . . . . . . . . . . . 10.16 Forward Fuel Cell Engine Fuel Supply Hose Replacement . . . . . . . . . . . . . . . . 10.21 Forward Fuel Cell Filler Neck Installation 10.27 Forward Fuel Cell Filler Neck Removal . 10.26 Forward Fuel Cell Flapper Valve Replacement . . . . . . . . . . . . . . . . . . . . . 10.9 Forward Fuel Cell Forward Access Cover Removal/Installation . . . . . . . . . 10.7 Forward Fuel Cell Fuel Level Control Pilot Valve Removal/Installation . . . . . 10.13 Forward Fuel Cell Fuel Shutoff Valve Removal/Installation . . . . . . . . . . . . . . . 10.14 Forward Fuel Cell Fuel Valve Isolation Switch Removal/Installation . . . . . . . . 10.25 Forward Fuel Cell Fuel/Defuel Check Valve Removal/Installation . . . . . . . . . 10.19 Forward Fuel Cell Installation . . . . . . . . . 10.29 Forward Fuel Cell Lightning Arrestor Removal/Installation . . . . . . . . . . . . . . . 10.4 Forward Fuel Cell Lower Vent Tube Removal/Installation . . . . . . . . . . . . . . . 10.24 Forward Fuel Cell Nitrogen Inert Breakaway Valve Hose Removal/Installation . . . . . . . . . . . . . . . 10.134 Forward Fuel Cell Nitrogen Inert Breakaway Valve Removal/Installation . . . . . . . . . . . . . . . 10.121 Forward Fuel Cell Pilot Valve Hose Replacement . . . . . . . . . . . . . . . . . . . . . 10.12 Forward Fuel Cell Refueling Breakaway Valve Removal/Installation . . . . . . . . . 10.17 Forward Fuel Cell Refueling Hose Replacement . . . . . . . . . . . . . . . . . . . . . 10.22 Forward Fuel Cell Removal . . . . . . . . . . . 10.28 Forward Fuel Cell Restraint Pan Removal/Installation . . . . . . . . . . . . . . . 10.52 Forward Fuel Cell Retainer Panel Removal/Installation (AVIM) . . . . . . . . 10.52A Forward Fuel Cell Upper Vent Tube and Vent Tube Adapter Removal/Installation . . . . . . . . . . . . . . . 10.10 Forward Fuel Cell Vent Tube Replacement . . . . . . . . . . . . . . . . . . . . . 10.23 Forward Fuel Quantity Transmitter Removal/Installation, Forward Fuel Cell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.5 Forward Fuselage Frame Structure . . . . 2.13 Forward Gear Fitting Replacement, Tail Rotor Gearbox . . . . . . . . . . . . . . . . . . . 6.143 Forward Hanger Bearing Coupling Removal/Installation . . . . . . . . . . . . . . . 6.6 Forward Inboard Mount Removal/Installation, No. 1 and No. 2 Engine . . . . . . . . . . . . . . . . . . . . . . . . . . 4.117 Forward Left or Right Center Transmission Rotor Support Strut Assemblies Removal/Installation . . . . 2.89 Forward Left or Right Mount Fitting Replacement, APU . . . . . . . . . . . . . . . . 15.36 Forward Link Removal/Installation, CPG Cyclic Stick . . . . . . . . . . . . . . . . . . . . . . 11.69 Forward Lower Mount Removal/Installation, No. 1 and No. 2 Engine . . . . . . . . . . . . . . . . . . . . . . . . . . 4.118 Forward Mount Pads Sleeve Bushing Replacement (AVIM), Gun and Ammo Support . . . . . . . . . . . . . . . . . . . . . . . . . . 2.38 Forward Oil Jet and Nozzle Removal/Installation, Main Transmission . . . . . . . . . . . . . . . . . . . . . 6.51 Forward or Aft Fuel Cell Backing Board Removal/Installation . . . . . . . . . . . . . . . 10.51 Forward or Aft Fuel Cell Ballistic Foam Repair/Replacement . . . . . . . . . . . . . . 10.53