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R  3. Job Set-up__________ 
R  Subtask 05-57-00-860-051 
R  A. Aircraft Maintenance Configuration 
R  (1) Make sure that the flaps, the slats, the spoilers, the speed brakes 
R  and the thrust reverser are retracted. 
R  (2) Make sure that the THS is set to neutral. 
R  4. Procedure_________ 
R  Subtask 05-57-00-210-051 
R  A. Stability of the Aircraft 
R  (1) If necessary, the ballast will be installed: 
R  - in the forward compartment 
R  - at the pax/crew door No 1. 
R  (2) Refueling wing tanks can also be a method to put the aircraft back 
R  into balance. In this case, the weight of the fuel must be added to 
R  the aircraft weight. 
R  NOTE : Before ballasts are put on the aircraft, make sure that the____ 
R  limits below are not exceeded (Ref. WBM 1-10-00): 
R  - maximum weight of section 11 
R  - maximum loads on cabin floor 
R  - maximum load on jacking points. 
R  (3) This method is applicable to these aircraft configurations for each 
R  of wich a diagram is given: 
R  - diagram for aircraft on wheels,on dry ground, 
R  (Ref. Fig. 207/TASK 05-57-00-991-004) 
R  - diagram for aircraft on wheels,on wet ground, 
R  (Ref. Fig. 208/TASK 05-57-00-991-005) 
R  - diagram for aircraft on jacks, 
R  (Ref. Fig. 209/TASK 05-57-00-991-006) 
R  - diagram for aircraft on forward jack or on nose wheel jack 
R  (Ref. Fig. 210/TASK 05-57-00-991-013) 
R  - diagram for aircraft on one main gear wheel jack 
R  (Ref. Fig. 211/TASK 05-57-00-991-014) 
R  - diagram for aircraft jacked at main and nose gears for wheel change 
R  (Ref. Fig. 212/TASK 05-57-00-991-015) 

R 1EFF : 301-399, 1 05-57-00Page 212 1 1 May 01/04 1 1 1CES 1R Aircraft on its Wheels (on Dry Ground) R (applicable to a parked or towed aircraft) R Figure 207/TASK 05-57-00-991-004

R 1EFF : 301-399, 1 05-57-00Page 213 1 1 May 01/04 1 1 1CES 1R Aircraft on its Wheels (on Wet Ground) R (applicable to a parked or towed aircraft) R Figure 208/TASK 05-57-00-991-005

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R  Aircraft on Jacks 
R  Figure 209/TASK 05-57-00-991-006 
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R Aircraft on Forward Jack or on Nose Wheel Jack R Figure 210/TASK 05-57-00-991-013
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R  Aircraft on one Main Gear wheel Jack 
R  Figure 211/TASK 05-57-00-991-014 
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R Aircraft jacked at Main and nose Gears for Wheel Change R Figure 212/TASK 05-57-00-991-015
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R Subtask 05-57-00-210-053

R  B. Check of the Aircraft Stability. 
R  NOTE : As the same procedure is applicable in any of the above____ 
R  configurations, the diagram related to aircraft on wheels on dry 
R  ground is taken as an example 
R  (Ref. Fig. 207/TASK 05-57-00-991-004) 
R  (1) Check of aircraft stability: aircraft with two engines installed. 
R  - without crew 
R  - without galleys 
R  - without pallets and containers. 
R  For instance, plot point A on the chart from these coordinates: 
R  - weight: 46600 kg (102735.3852 lb) 
R  - CG: 24% 
R  NOTE : Under these conditions, the aircraft will be safe in winds up____ 
R  to 50 kts (93 km/h). 
R  (2) Check of aircraft stability after removal of the two engines. 
R  (a) From point A, make a horizontal line : it cuts across the weight 
R  axis at point B. 
R  (b) From this point B, substract the weight of two removed engines 
R  7000 kg (15432.3540 lb) approx., to get point B'. 
R  (c) From point A, make a vertical line: it cuts across one division 
R  of the "removed engine" scale at point C. 
　
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