CH46E Preflight Inspection by Dytb0jZ8

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									                                                                                CH-46E PREFLIGHT INSPECTION
                                                                          COCKPIT
                                                                               1.      Circuit Breakers……………………………………..IN.
                                                                                                        WARNING
                    CH-46E                                                  Do not move the HEFS emergency switch to DEPLOY with the
                                                                          FLOAT SYS circuit breakers in PRE AFC 472 or with the FLOAT
                  PREFLIGHT                                               SYS circuit breakers in and HEFS MASTER ARM OFF switch set
                                                                          to ON POST AFC 472 because this will activate the flotation pods.
                                                                            It is not necessary for the battery to be on in order to activate the
                  INSPECTION                                                                               HEFS.

                                                                               2.    Check IR Beacon, Position Lights, Search Light and
                                                                                     Anticollision Lights………………………………..OFF.
                                                                               3.    Armored Seat Wings………………………….PINNED.
                                                                                                          1




COCKPIT(continued)                                                        COCKPIT(continued)
     4.     Harness…………………………CHECK OPERATION.                                  13. Guarded Switches…………………………..COVERED.
     5.     Escape Hatches…………….SECURE; SHEARWIRED.                            14. FWD UTIL HYD Switch……………………….NORM.
                               Caution                                         15. BATT………………………………………………..ON.
If the release cable protrudes out of the T-handle, it is possible that        16. Emergency Throttle System…………………...CHECK.
   the locking pins are not seated properly and the hatch could be                                      Note
                       inadvertently jettisoned.                           To prevent windmilling, this check should not be done in winds
      6. Engine Condition Levers…………………………STOP.                                        above 20 knots with rotors unlocked.
      7. Ignition Switch…………………………………….OFF.                                      A. No.1 and No.2 ECLs…………………...SET to FLY.
      8. ARM ROTOR BRAKE & BLADE FOLD                                            B. Pilot Emergency Throttle Arming Switch…...PRESS.
            LEVER……………………………………………ARM.                                             1. Observe both(EMER THROT NO. 1 and EMER
      9. AFCS, ALT HOLD, radios………………….……..OFF.                                         THROT NO. 2) caution lights come on.
      10. No.1 and No.2 Engine Fire Handles…………………IN.                            C. No.1 and No.2 Emergency Throttle Reset
      11. AGENT DISCHARGE Switches……………NORMAL.                                        Switches……………………………SET TO RESET.
      12. Overtorque Indicators……………………….NORMAL.                                                          3
                                      2



COCKPIT(continued)                                                        COCKPIT(continued)
           1.     Observe both caution lights extinguish                                               Note
                  immediately.                                             Beep Trim switch operation of the ETS should be verified from
                               WARNING                                                         both collective grips.
If caution lights fail to extinguish immediately, the ETS may not be            F. No.1 and No.2 Emergency Throttle Reset Switches
    controllable from the cockpit and will result in excessive gas                   ………..SET to RESET and Hold until Emergency
     generator speed, rotor rpm, and torque if armed with engine                     Throttle Caution Lights go out(lights remain on
                                running.                                             7seconds).
         D. Copilot Emergency Throttle Arming                                   G. No.1 and No.2 ECLs………………….SET to STOP.
               Switch………………………………………...PRESS.                                   H. ARM ROTOR BRAKE & BLADE FOLD lever….
            1. Observe both(EMER THROT NO. 1 and EMER.                                                                         …….ARM.
                  THROT NO.2) caution lights come on.                           I.   ROTOR BRAKE………..ON(Hold on for 7seconds).
         E. No.1 and No.2 Beep Trim Switches……INCREASE                               ROTOR BRAKE LIGHT………………………..ON.
                                         BEEP(Hold for 10 Seconds).             J.   ECAs and ETS Actuators……….Crewchief CHECK
                                    5                                                                                   FULLY CLOSED.
                                                                                                         6



COCKPIT(continued)                                                        FORWARD TRANSMISSION(continued)
     17.   Master Caution Light……………………………..TEST.                              5.    Transmission Switch and Filters……………...SECURE.
     18.   Rotor Brake……………………………………..NORM.                                    6.    Transmission Filter Indicator………………CHECK IN.
     19.   Parking Brake………………………………………SET.                                    7.    Rotor Brake Disk…………………………..CHECK for
     20.   Battery……………………………………………...OFF.                                                             warpage, gouges, scorching, or cracks.
     21.   First Aid Kit……………………………………CHECK.
                                                                          FLIGHT CONTROL COMPARTMENT
FORWARD TRANSMISSION                                                           1.    Dual Extensible Links(3)……………………..SECURE
     1.    Temperature Bulb, Debris Screen(with AFC 433), and                                                  LVDT Locknuts Safety wired.
           Chip Detector…………………………………SECURE.                                   2.    Differential Bellcrank Linkage(6)…………….SECURE.
     2.    Cannon Plug…………………………………..SECURE.                                   3.    DASH Actuator……………………………….SECURE.
     3.    Control Rods……………………...CHECK SECURITY                               4.    ASE Actuators(4)……………………………..SECURE.
                                              and CONDITION.                   5.    Centering Springs(4)………………………….SECURE.
     4.    Slip Ring Assembly………………CHECK LEAKAGE.                              6.    Balance Springs(3)……………………………SECURE.
                               7                                                                           8
FLIGHT CONTROL COMPARTMENT(continued)                       CABIN AREA
   7.    Control Rods……………………...CHECK SECURITY                 1.   No.1 Flight Boost Accumulator Gauge………...CHECK
                                          and CONDITION.                                                     For 750psi.
   8.    Lower Boost Actuators……………………….SECURE,                2.   Fire Extinguisher……………………………...SECURE,
                                  NO EXCESSIVE LEAKAGE.                                      Shearwired, Properly Dated.
   9.    Control Position Transducers…………………SECURE,            3.   Escape Hatches……………………………….SECURE,
                     JAM NUTS TIGHT and SAFETY WIRED.                                               Yellow Tape Secure.
                                                               4.   Seatbelts………………………...CHECK CONDITION,
WINCH ASSEMBLY/AVIONICS COMPARTMENT                                                                     CLEANLINESS.
   1.    Winch Cable………………………CHECK for KINKS,                  5.   CHECK CONDITION, INTEGRITY AND SECURITY
               FRAYED WIRES, and a MIN. of 9 RED LOOPS.             OF TRANSMISSION CHIP DETECTOR/SCREEN
   2.    Hydraulic Components…………...CHECK LEAKAGE.                  POWER MODULE INDICATOR.
   3.    Rotor Brake Accumulator…….CHECK 700 – 1,350PSI.       6.   HEELS Control Unit Assy/Batteries(5)………..CHECK.
   4.    Avionics Compartment Components…………SECURE.            7.   Liferafts………………………………………...CHECK.
                            9                                                           11



CABIN AREA(continued)                                       BELOW LEFT ENGINE
   8.    Rescue Hatch…………………………………CLOSED.                      1.   Junction Box Circuit Breakers..……………………..IN.
   9.    HEFS Test Equipment Box…TEST Switch COVERED.                                                     (Post AFC 472)
   10.   Cargo Rails……………………..CHECK CONDITION.                 2.   Float SYS Circuit Breakers………………………..OUT.
   11.   Internal Fuel Tanks…………………………...SECURE,                                                           (Pre AFC 472)
                                 PROPERLY CONNECTED.           3.   Four-Way Fuel Valve…...………………………...AFT.
   12.   Internal Fuel Valve…………………………...SECURE.               4.   Fuel Boost Pump…………………CHECK LEAKAGE.
   13.   Engine Start Line……………………………..SECURE.                 5.   Fuel Filter Failure Indicator…………………………IN.
   14.   EAPS Failure Indicators…………………………….IN.                6.   APU Fuel Shutoff and Pump……..CHECK LEAKAGE.
   15.   PMS Amplifiers………………………………SECURE.                     7.   APU Transformer Rectifier and Supervisory Panel……..
   16.   First Aid Kit……………………………………CHECK.                                                          ……………CHECK.
   17.   Fire Extinguisher……………………………..SECURE,
                         SHEARWIRED, PROPERLY DATED.

                           12                                                          13




BELOW RIGHT ENGINE                                          ENGINE COMPARTMENTS
   1.    Junction Box Circuit Breakers…………………….…IN.            1.  Engine Bay Seals………………………………CHECK.
   2.    Four-Way Fuel Valve……………………………...AFT.                 2.  Fire Detectors(3)……………………………….CHECK.
   3.    Fuel Boost Pump………………….CHECK LEAKAGE.                 3.  Synchronization Shaft………………………….CHECK.
   4.    Fuel Filter Failure Indicator………………...CHECK IN.       4.  Thomas Couplings……………………………..CHECK,
   5.    Hydraulic Filler……………………...CLEAN, FILLED.                                            SLIPMARKS ALIGNED.
   6.    Utility Hydraulic Isolation Valve……………..SECURE.       5. Fuel and Oil Lines…………………………….SECURE.
   7.    Two Hundred Cubic-Inch Accumulator…………                6. Fuel Control Arm…………………..CHECK TENSION.
                                      …………CHECK 3,000psi.      7. Fuel Control…………………………………..SECURE;
   8.    Ramp and Hatch Actuator Arms……………...SECURE.                                      SELECT 7 O’CLOCK for JP-5.
                                                               8. Fuel Flow Divider…………………………….SECURE;
                                                                             SELECT COUNTER-CLOCKWISE for JP-5.
                                                               9. Emergency Throttle Actuator………………...SECURE.
                                                               10. Flex Shaft……………..SECURE; CHECK LEAKAGE.
                           14                                                          15




ENGINE COMPARTMENTS(continued)
   11. Exhaust Casing………………………………...CHECK.
   12. Torque Tube Electrical Connections…………SECURE.
   13. Engine Thomas Couplings……………………..CHECK.




                           16                                                          10
AFT TRANSMISSION                                             AFT TRANSMISSION(continued)
   1.  Four-Legged Adapter…………………………CHECK.                      12.   Utility Hydraulic Filter Failure Indicator(2)…………IN.
   2.  Bathtub Key…………………………………..CHECK.                         13.   Utility Hydraulic Pump Filter Failure Indicator……..IN.
   3.  Transmission Fluid Level……………………..CHECK.                 14.   PTU………………………...SECURE; NO LEAKAGE.
   4.  APU Start Module(5 Cubic Inches) Accumulator………          15.   Transmission Filter Indicator………………CHECK IN.
                                          CHECK 3,000psi.       16.   No. 2 Flight Boost Accumulator……….CHECK 750psi.
   5. Transmission Wiring………………………….SECURE.
   6. Generators…………………………………….SECURE.
   7. Slip Ring Assembly……………....CHECK LEAKAGE.
   8. Transmission Mounting Bolts………………...SECURE.
   9. Mix Box………………………...CHECK CONDITION.
   10. Temperature Bulb, Debris Screen(with AFC 433), and
       Chip Detector…………………………………SECURE.
   11. Heat Shield……………………………………SECURE.
                           17                                                             18




AFT FUSELAGE
   1.   APU Exhaust Section………………..CHECK CLEAR.
   2.   Tail Navigation Light………………………….CHECK.
   3.   Hatch………………………………………….SECURE.
   4.   Ramp………………………………………….SECURE.
   5.   Ground Power Receptacle……………………..CHECK.
   6.   AN/APR-39 Antenna…………………….INSPECT for
                                   Cracks and Damage.




                           19                                                             20




LEFT SIDE AFT PYLON                                          LEFT SIDE AFT PYLON(continued)
   1.  Engine Wash Connections………………….COVERED.                  13. No. 2 Flight Control Hydraulic Filter-Resevoir……
   2.  Engine Inlet Screens………………..SECURE, CLEAR.                                                                 CHECK.
   3.  EAPS Fan……………………………………..SECURE.                          14. Vertical Shaft Blade Tape………………..INSTALLED.
   4.  Engine Access Door…………………………..SECURE.                    15. Swashplate……………………………………..CHECK.
   5.  Engine Electrical Harness…………………….SECURE.                16. ALCT Actuator………………………………...CHECK.
   6.  Fire Extinguishing Bottle Discharge Plugs(2)…CHECK.      17. Rotor Head……………………………………..CHECK.
   7.  Fire Extinguishing Botttle………...CHECK 600100psi.        18. Utility Hydraulic Oil Cooler…………………...CHECK.
   8.  Blower Shaft Thomas Couplings……………..SECURE.              19. APU Motor/Pump Failure Indicator…………………IN.
   9.  Engine Exhaust Section…………………………                         20. APU Compartment……………….CHECK for Leakage.
                               CHECK CONDITION CLEAR.
   10. AN/ALQ-157………...CHECK for Cracks and Security.
   11. Rotor Locking Pin………..WITHDRAWN; if Unfolded.
   12. Two Hundred Cubic-Inch Accumulator……….CHECK.
                            21                                                            22




DIAGONAL BULKHEAD
   1.   Control Rods and Sta. 410 Bellcranks…………CHECK.
   2.   Engine Oil Shutoff Valve(2)……………………..OPEN.
   3.   Engine Oil Resevoir……………………………CHECK.
   4.   Transmission Oil Cooler Screen……………….CHECK.
   5.   No.2 Power Control Module Filter Indicators(2)……….
                                           ………CHECK IN.
   6.   Upper Boost Actuators………………………...CHECK.
   7.   Cruise Guide Amplifier………………………..CHECK.




                           23                                                             24
AFT ROTOR HEAD
   1.  Lubricating Resevoirs(9 sight gauges)………...CHECK.
   2.  Hinge Pins(6)…………………………………..CHECK.
   3.  Flap and Droop Stop Restrainers………………CHECK.
   4.  Rotor Blade Shock Absorbers(3)………………CHECK.
   5.  Pitch Locking Pins…………………….WITHDRAWN.
   6.  Pitch Arms and Links…………………………SECURE.
   7.  Rotor Blade Fold Motor and Assembly………..CHECK.
   8.  Rotor Blade Retaining Pins…………………....CHECK.
   9.  Blade Fitting…………………………………...CHECK.
                   (For Red Detection Fluid without AFC 433)
   10. Rotor Blades…………………....CHECK CONDITION.


                             25                                                          26




TUNNEL AREA
   1.        Synchronizing Shaft……………CHECK CONDITION.
   2.        Lord Mounts…………………………………...CHECK.
   3.        Alternate UHF Antenna………………………..CHECK.
   4.        Flexible Plates………………………………….CHECK.
   5.        Cables………………………………………….CHECK.




                             27                                                          28




FORWARD PYLON                                                  FORWARD PYLON(continued)
   1.  Forward Rotor Head same as Aft Rotor Head.                 12. Heater………………………………………….CHECK.
   2.  No.1 Flight Control Hydraulic Boost Resevoir……
                                                ….,,CHECK.
   3. Transmission Mounting Bolts………………...SECURE.
   4. Transmission Oil Level………………………..CHECK.
   5. Upper Boost Actuator………………………….CHECK.
   6. Control Rods and Bellcranks…………………SECURE.
   7. Rotor Brake…………………………………….CHECK.
   8. No.1 Power Control Module…………………..CHECK;
                           Filter Indicator(2)……CHECK IN.
   9. Four-legged Adapter…………………………..CHECK.
   10. FLCT Actuator…………………………………CHECK.
   11. Cruise-Guide Signal Processor………………...CHECK.
                            29                                                           30




LEFT FUSELAGE                                                  LEFT FUSELAGE(continued)
   1.        Fuel Jettison Tube……………………………..CHECK.                5.  Main Fixed Landing Gear(continued).
   2.        Battery…………………………………………CHECK.                             i.Flare Dispenser Switch(LH side only)……...CHECK.
   3.        Tiedown Points………………………………..CHECK.                   6. Access Panels…………………………………SECURE.
   4.        ALE-39 Dispensing Pod ARM/SAFE Handles…SAFE.         7. Fuel Cap………………………………………..CHECK.
   5.        Main Fixed Landing Gear.                             8. Refueling Control Panel……………………….CHECK.
        a.      OLEO………………………..CHECK 2 to 3 Inches.               9. Single-Point Refueling Nozzle……………….SECURE.
        b.      Tires……………………………………….CHECK.                       10. HEFS Pod and Hardware……………………..SECURE.
        c.      Scissors……………………………………CHECK.                      11. Static Ports……………………………………..CHECK.
        d.      Wheel Bolts………………………………..CHECK.                   12. Aircraft Skin…………………….CHECK CONDITION
        e.      Brake Disk…………………………………CHECK.                                                        And POPPED RIVETS.
        f.      Hydraulic Brake Lines……….CHECK LEAKAGE.
        g.      Grounding Wire……………………………CHECK.
        h.      Weight-on-Wheels Switch…………………CHECK.
                                 31                                                      32
UNDERSIDE FUSELAGE
   1.        Aircraft Skin……………….CHECK CONDITION and
                                       POPPED RIVETS.
   2.        Antennas(11)……………...……………………CHECK.
   3.        Nosewheel
        a.     OLEO……………………………………….CHECK.
        b.     Tires…………………………………………CHECK.
        c.     Scissors……………………………………...CHECK.
        d.     Wheel Bolts…………………………………CHECK.




                                33                                                              34




NOSE SECTION
   1.        Escape Hatches………………………………..CHECK.
   2.        Master Brake Cylinders(4)……CHECK for LEAKAGE.
   3.        Avionics Gear for Security……………………CHECK.
   4.        Control Linkages………………………………CHECK.
   5.        Windows and Chin Bubbles…………………..CHECK.
   6.        Static Port and Pitot Tube Covers…………REMOVED.
   7.        AN/APR-39 Antenna……………CHECK for CRACKS
                                                 and SECURITY.




                                35                                                              36




RIGHT FUSELAGE                                                      RIGHT FUSELAGE(continued)
   1.   Main Entrance Door……………..CHECK SECURITY,                       8.        Main Fixed Landing Gear(continued).
                  OPERABILITY, and WATERTIGHT SEAL.                         b.      Tires………………………………………...CHECK.
     a.   Main Entrance Door Handle………………..CHECK.                           c.      Scissors……………………………………..CHECK.
   2. Hoist and Cables……………………………...SECURE.                                 d.      Wheel Bolts…………………………………CHECK.
   3. Hoist Oil Level………………………………...CHECK.                                  e.      Brake Disk…………………………………..CHECK.
   4. Static Ports……………………………………..CHECK.                                    f.      Hydraulic Brake Lines…………CHECK LEAKAGE.
   5. Aircraft Skin……………………CHECK CONDITION                                  g.      Grounding Wire……………………………..CHECK.
                                    And POPPED RIVETS.                      h.      Weight-on-Wheels Switch………………….CHECK.
   6. Tiedown Points………………………………..CHECK.                               9.        Access Panels…………………………………SECURE.
   7. ALE-39 Dispensing Pod ARM/SAFE Handles………..                      10.       Fuel Cap………………………………………..CHECK.
                                         ………….SAFE.                    11.       HEFS Pod and Hardware……………………..SECURE.
   8. Main Fixed Landing Gear.                                         12.       Static Ports……………………………………..CHECK.
     a.   OLEO……………………..CHECK 2 to 3 INCHES.                           13.       Aircraft Skin…………………………………...CHECK.
                          37                                                                         38




RIGHT SIDE AFT PYLON
   1.        Engine Wash Connections………………….COVERED.
   2.        Engine Inlet Screens………………..SECURE, CLEAR.
   3.        EAPS Fan……………………………………..SECURE.
   4.        Engine Access Door…………………………..SECURE.
   5.        Engine Electrical Harnesses…………………..SECURE.
   6.        Fire Extinguishing Bottle Discharge Plug(Yellow)…….
                                                           CHECK.
   7.        AN/ALQ-157…CHECK for CRACKS and SECURITY.




                                39                                                              40
1.        GENERAL INSPECTION
     a.     Protective Covers……………………………..REMOVED.
     b.     Wheels………………………………………...CHOCKED.
     c.     Indication of fuel, oil, hydraulic leaks…………….CHECK.
     d.     Aircraft Cleanliness……………………………….CHECK.
     e.     Area……………...CHECK CLEAR of OBSTRUCTIONS.
     f.     Tiedowns(if installed)……..CHECK THAT NOSE GEAR CHAIN
            IS SLACK AND MAIN GEAR TIEDOWNS ARE TIGHT AND
            ATTACHED TO AXLE FITTINGS WITH A 90 SPREAD.
2.        ENTRANCE DOOR
     a.     Operation and Condition…………………………CHECK.
3.        FUSELAGE(Right Side)
     a.     Rescue Hoist…..CHECK OIL LEVEL AND CONDITON.
     b.     Fuselage…………...INSPECT FOR DENTS, WRINKLES,
                                        LOOSE OR MISSING RIVETS.
     c.     Emergency Escape Panels……………...CHECK CLOSED
                                                       AND SECURE.
     d.     Fuel Cap Security…………………………………CHECK.
     e.     Shock Strut………………..CHECK FOR CLEANLINESS
                                          AND PROPER INFLATION.
     f.     Tires and Brake Disks…………….CHECK CONDITION.
     g.     Stubwing Tiedowns…………………………...REMOVED.
     h.     Engine No.2 Power Turbine…………………CHECK FOR
                                               CORROSION AND FOD.
4.        AFT PYLON
     a.     Aft Pylon………….INSPECT FOR DAMAGE, CRACKS,
                        WRINKLES, LOOSE OR MISSING RIVETS.
     b.     Engine Fire Extinguisher Blowout Plug………….CHECK.
     c.     Access Hatches and Work Platforms……….…CHECK IN
                                                PLACE AND SECURE.
     d.     Rear Loading Ramp…………….CHECK FOR DAMAGE.
     e.     APU Tailpipe…………………………....CHECK CLEAR.
5.        PYLON(Left Side)
     a.     Aft Pylon…………INSPECT FOR DAMAGE, CRACKS,
                        WRINKLES, LOOSE OR MISSING RIVETS.
     b.     Engine Fire Extinguisher Blowout and Pressure Relief
            Plugs………………………………………………CHECK.
     c.     No.2 Flight Control Boost System Resevoir……....CHECK
                                                       SIGHT GAUGE.
     d.     Aft Swashplate………………...INSPECT FOR DAMAGE
                                                     AND SECURITY.
     e.     No.1 and No.2 Engine Oil Level…………………..CHECK
                                                     SIGHT GAUGES.
     f.     Aft Rotor Hub and Blades……..INSPECT FOR DAMAGE
                                                     AND SECURITY.
     g.     Aft Rotor Hub Sight Gauge Fluid Levels…..……..CHECK.
     h.     Access Hatches and Work Platforms…CHECK IN PLACE
                                                       AND SECURE.
     i.     Fuselage Crown and Synch Shafting Tunnel……..CHECK
                                     FOR DAMAGE AND SECURITY.
6.        FORWARD ROTOR
     a.     Rotor Hub and Blade…….INSPECT FOR DAMAGE AND
            SECURITY. If blades are spread, CHECK PITCH LOCKING
            PINS ARE FULLY WITHDRAWN – CHECK each blade fitting
            for crack detection fluid. Check for security of lockwire on rotor
            blade retention pins and nuts.
     b.     Forward Rotor Hub Sight Gauge Fluid Levels…...CHECK.
     c.     Rotor Brake Disk and Housing……………INSPECT FOR
                                 DISCOLORATION AND WARPAGE.
     d.     Forward Transmission Oil Level……..CHECK DIPSTICK.
     e.     No. 1 Flight Control Boost System Resevoir……..CHECK
                                                       SIGHT GAUGE.
     f.     Access Panels and Work Platforms……………CHECK IN
                                                 PLACE AND SECURE.
7.        FUSELAGE(Left Side)
     a.     Engine No.1 Power Turbine…………………CHECK FOR
                                               CORROSION AND FOD.
     b.     Tires and Brake Disks……………..CHECK CONDITION.
     c.     Stubwing Tiedowns…………………………...REMOVED.
     d.     Shock Strut………………..CHECK FOR CLEANLINESS
                                          AND PROPER INFLATION.
     e.     Fuel Caps……………………………CHECK SECURITY.
     f.     Refueling Control Panel Tank Selector Switch………OFF.
     g.     Fuselage…………...INSPECT FOR DENTS, WRINKLES,
                                        LOOSE OR MISSING RIVETS.
     h.     Radio Antennas……………………CHECK CONDITION.
     .

								
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