20-06-2013, 02:48 PM
JACKING UP OF PUSHPAK AIRCRAFT
AIM
To jack the aircraft from its steady position
OCCASION
When aircraft is need to be inspected for damage to change type and during rigging check from OGCA jacking of an aircraft has to be carried out
REQUIREMENTS
Man power=3+1
Man hours=3 hrs
Documents of aircraft maintenance manual
TOOLS,EQUIPMENT REQUIRED
Jacking pad
Necessary jacks, bottle jack1, wheel chocks
PRECAUTIONS
Refer aircraft maintenance manual , ensure the capacity and semi circularity of jack
The jacking area should be oil free
The jacking point should of which 2 at wings and one at maximum c.g location
There should be no person inside the aircraft while jacking
Central surfaces should be locked
The ballasted weight should be removed before jacking
Jack handle should not damage structure of weight
Clearance of propeller should be ensured before jacking
PROCEDURE
It differs from various aircraft and refer respective aircraft maintenance manual
Remove the mooring
Identify the jacking points of the aircraft by placing it in level
After finding the jacking points place the jacks at the points.
Place a person at the jacking point to look after the raised jacks
All the jacks should be simultaneously raised.
After jacking, jack locks should be checked for stability and tightened.
The necessary inspection has to be carried out.
If the aircraft is likely to be checked for more than 24 hrs, place the adjustable truss at specified station
Place the displace board aircraft jacks near the aircraft
RESULT
Thus the jacking of an aircraft has been carried out for further inspection