B-17 Pilots Manual.pdf

:i IQ.. For use of emergency equipment, refer to sectionm.4. BOMBRACK SELECTOR SWITCHES.Two switches, one on each side of the bomb bay,are used in conjunction with the rack selector switchesonthe bombardier's control panel. When either switchis "OFF," electrical release of bombs or fuel tanksfrom that rack is impossible.5. HANDTRANSFER OR REFUELING PUMP.A hand pump mounted on the aft bulkhead of thebomb bay may be used to transfer fuel in case of electricalpower failure or may be attached to a mainlanding gear shock strut and used as a refuelingpump. (See figure 60.)6. AUXILIARYWINGFUEL CELLSHUT-OFF VALVES.Remote control handles, operating shut-off valvesin the lines from each group of outer wing fuel cells,are mounted below the door at the aft end of the bombbay. Refer to section I, paragraph 4., for operatinginstructions.NOTEIn some installations these valve controls arein the radio compartment.7. RELIEF TUBE.A relief tube is located behind. the dome light inthe left bomb bay.Figure 59 - Auxiliary Fuel TankShut-Off Valves..KEY TO FIGURE 58I. OXYGEN INDICATORPANEL2. OXYGENREGULATOR3. RELIEF TUBE.~. PORTABLE OXYGENUNIT RECHARGER5. PORTABLEOXYGENUNIT STORAGE6.BRACKETOXYGENMASKCONNECTION7. HANDFUEL PUMPFigure 58 - Bomb Bay - Left Side, Aft63Ii