TASK 07-11-01-582-018
4. Lower the Airplane Off of the Jacks___________________________________
A. References
(1) AMM 12-15-01/301, Main Gear Shock Strut
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(2)
AMM 12-15-02/301, Nose Gear Shock Strut
(3)
AMM 32-00-20/201, Landing Gear Down Locks
(4)
AMM 32-09-02/201, Air/Ground Relays
B. Procedure
S 582-019
(1) Lower the airplane off of the jacks. Do the steps that follow:
CAUTION: MAKE SURE THE AREA BELOW THE AIRPLANE IS CLEAR OF ALL
_______ EQUIPMENT BEFORE THE AIRPLANE IS LOWERED. IF YOU DO NOT OBEY THESE INSTRUCTIONS, DAMAGE TO THE AIRPLANE AND EQUIPMENT CAN OCCUR.
(a)
Make sure the area below the airplane is clear.
(b)
Make sure the landing gear control lever is in the DN position.
(c)
Make sure the landing gear downlocks are install on the nose and main landing gear (Ref 32-00-20).
(d)
Make sure that the airplane gross weight and center of gravity (CG) are at the approved limits. The approved limits are shown in Figure 203.
(e)
If the stabilizing jack was used at jack points D, lower the jack. Refer to the manufacturers' instructions. 1) Remove the jack from below the airplane immediately after
it has clearance between the jack adapter and adjacent airplane structure.
(f)
Put the wheel chocks in to position for installation when the airplane is on the ground. Make sure the wheel chocks do not touch the wheels while the airplane is lowered.
(g)
Put one person at each primary jack and one person at the plumb bob. Make sure there is interphone communication between them and the coordinator for the jack procedures.
(h)
Lower the airplane. Continuously monitor the jacks and make sure that the maximum loads are not more than the design load limits. Also monitor the plumb bob to make sure the airplane stays level while it is lowered off of the jacks.
NOTE: Make sure the jacks are at the bottom or the airplane
____ full weight is on the landing gear.
(i) Remove the primary jacks from jack points A, B, and C. Remove them from below the airplane immediately after they have clearance between the jack pad and the adjacent airplane structure.
C. Put the Airplane Back to Its Initial Condition
S 092-020
(1) Remove the jack adapters as shown in Figure 202.
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JACKING ADAPTER MOUNTINGSEE A
C
PROVISIONS FORWARD BODY
x
JACKING ADAPTER-SEE D
DA
B07001-7
x
x
FUSELAGE
B
SKIN
x
SEE C
SEE B JACKAIRCRAFT JACKING ADAPTER - F80060-6
A
JACK
B
FUSELAGE
SKIN
1. BOLT OR PLUG
ASSEMBLY
(2 LOCATIONS)
TAIL JACK
-REMOVE BEFORE ADAPTER-
INSTALLING JACKING B07002-1
ADAPTER AND REINSTALL AFTER REMOVING JACKING ADAPTER
2. HI-TORQUE BOLTS JACK
(REMOVE PRIOR
TO INSTALLING
JACKING ADAPTER)
MOUNTING PROVISIONS
C
FORWARD BODY JACKING ADAPTER D
Airplane Jacking Points and Jack Adapters
Figure 202
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