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Landing Gear

Landing Gear. Terminal Learning Objective. Action: Identify the subsystems of the C-12T2/U landing gear system and explain the basic operating principles. Condition : Using student handout and classroom notes. Standard: IAW the IGRV SEP. SAFETY REQUIREMENTS: NONE

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Landing Gear

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  1. Landing Gear

  2. Terminal Learning Objective Action: Identify the subsystems of the C-12T2/U landing gear system and explain the basic operating principles. Condition: Using student handout and classroom notes. Standard: IAW the IGRV SEP

  3. SAFETY REQUIREMENTS: NONE RISK ASSESSMENT LEVEL: IV, D, LOW ENVIRONMENTAL CONSIDERATIONS: NO IMPACT

  4. C-12T2/U Landing Gear System Description Electrically Activated Switches, relays, electrically powered valves are actuated when the landing gear switch is moved in the cockpit Hydraulically Operated Pressurized fluid is moved to the landing gear hydraulic actuators to raise and lower the landing gear.

  5. C-12 Landing Gear System Cockpit Switches

  6. C-12 Landing Gear System Fill Reservoir

  7. C-12 Landing Gear System Fill Reservoir

  8. C-12 Landing Gear System Fluid Level Dipstick

  9. C-12 Landing Gear System Main Reservoir

  10. C-12 Landing Gear System Reservoir / Power Pack

  11. C-12 Landing Gear System Accumulator

  12. C-12 Landing Gear System Description 3 lines from the pump to each gear actuator Retraction (becomes return line during extension) Extension (becomes return line during retraction) Emergency Gear are held up with hydraulic pressure 2474 psi to 2775 psi Gear are held down with over-center locks

  13. C-12 Landing Gear System Retraction Operations

  14. C-12 Landing Gear System Extension Operations

  15. C-12 Landing Gear System Emergency Extension Operations

  16. C-12 Landing Gear System Check Valves

  17. C-12 Landing Gear System Nose Gear Landing/Taxi Lights

  18. C-12 Landing Gear System Turning Limits

  19. C-12 Landing Gear System Crush Block

  20. C-12 Landing Gear System Nose Gear Torque Knee

  21. C-12 Landing Gear System Shimmy Dampner

  22. C-12 Landing Gear System Main Gear Drag Brace

  23. C-12 Landing Gear System Main Gear Down Lock

  24. C-12 Landing Gear System Main Gear Door

  25. C-12 Landing Gear System Main Gear Door

  26. C-12 Landing Gear System Main Gear Torque Knee

  27. C-12 Landing Gear System Safety Switch

  28. C-12 Landing Gear System Brake Fluid Reservoir

  29. C-12 Landing Gear System Main Brakes

  30. C-12 Landing Gear System Pilot Brakes

  31. C-12 Landing Gear System Co-Pilot Brakes

  32. C-12 Landing Gear System Parking Brake Set

  33. C-12 Landing Gear System Landing Gear Warning Horn

  34. C-12 Landing Gear System Landing Gear Warning Horn

  35. C-12 Landing Gear System Landing Gear Warning Horn

  36. C-12 Landing Gear System Landing Gear Warning Horn

  37. C-12 Landing Gear System Landing Gear Warning Horn

  38. C-12 Landing Gear System Landing Gear Warning Horn

  39. C-12 Landing Gear System Questions??????????

  40. C-12 Landing Gear System

  41. C-12 Landing Gear SystemReview Questions The landing gear are help in the position with ____________ and are held down with ____________.

  42. C-12 Landing Gear SystemReview Questions The landing gear are help in the position with hydraulic pressure and are held down with over-center locks.

  43. C-12 Landing Gear System Review Questions The brakes use the same type of hydraulic fluid used by the landing gear system. TRUE or FALSE The brakes use hydraulic fluid from the same reservoir as the landing gear system. TRUE or FALSE

  44. C-12 Landing Gear System Review Questions The brakes use the same type of hydraulic fluid used by the landing gear system. TRUE The brakes use hydraulic fluid from the same reservoir as the landing gear system. FALSE

  45. C-12 Landing Gear System Review Questions The timer logic relay in the landing gear system will activate after the gear motor has been operating for ________.

  46. C-12 Landing Gear System Review Questions The timer logic relay in the landing gear system will activate after the gear motor has been operating for 14 seconds.

  47. C-12 Landing Gear System Review Questions The timer logic relay activates for gear retraction operations only. TRUE or FALSE

  48. C-12 Landing Gear System Review Questions The timer logic relay activates for gear retraction operations only. FALSE

  49. C-12 Landing Gear System Review Questions If the pilot raises the landing gear control switch, and the landing gear selector valve fails to operate: The gear will retract normally. The gear will not retract. The timer logic relay will activate after 14 seconds. The landing gear warning horn will activate. The gear handle light will illuminate. The three green down lights for the gear will extinguish.

  50. C-12 Landing Gear System Review Questions If the pilot raises the landing gear control switch, and the landing gear selector valve fails to operate: The gear will retract normally. The gear will not retract. The timer logic relay will activate after 14 seconds. The landing gear warning horn will activate. The gear handle light will illuminate. The three green down lights for the gear will extinguish.

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