Chap 3 Jacking Aircraft Flashcards
What is the purpose of jacking an aircraft?
Jacking an aircraft is necessary for servicing tasks such as changing a wheel or skid and accurately leveling the aircraft for rigging.
Who controls the jacking operation?
The jacking operation must be controlled by a qualified Supervisor, with sufficient jack operators.
What precautions should be taken before jacking an aircraft?
All servicing trolleys must be disconnected and moved clear of the aircraft, and a check should be made for any overhead equipment that may impede the upward movement of the aircraft.
What should be examined before using jacking equipment?
A pre-use examination of all equipment should be carried out to ensure it is serviceable.
What conditions must the ground meet for jacking an aircraft?
The ground must be level and firm enough to support the weight of the aircraft.
Where are jacks positioned on the aircraft?
Jacks are positioned beneath specific strong points of the airframe, indicated by jacking symbols.
What are jacking symbols used for?
Jacking symbols indicate the locations of jacking points and may include fixed shaped jacking pads or attachment points for jacking pads.
What is the first step in the jacking procedure?
Bring the jacks into contact with the jacking pads.
What should be examined before jacking the aircraft?
Examine the seating of the jacks on the ground and the alignment of the jacks with the pads on the aircraft.
What must be ensured before starting the jacking procedure?
Ensure the aircraft is clear for jacking.
What should be followed during the jacking process?
Follow the procedure in the appropriate maintenance manual.
What is the goal of raising the aircraft on the jacks?
Simultaneously raise the aircraft until the skids or undercarriage is clear of the ground.
What is the first step in lowering the aircraft off jacks?
Follow the procedure in the appropriate maintenance manual.
What must be checked for obstructions when lowering the aircraft?
Ensure that there are no obstructions that can interfere with the operation.
How should the aircraft be lowered?
Simultaneously lower the aircraft on all jacks.
What should be done when the aircraft is resting on the ground?
Remove the jacks.
What should be removed if necessary after lowering the aircraft?
Remove the aircraft jacking pads.
