(b)
Lubricate the main landing gear doors and uplock hooks (AMM 12-21-15/301).
(c)
Lubricate the nose landing gear and actuator mechanisms (AMM 12-21-12/301).
(d)
Lubricate the main landing gear and actuator mechanisms (AMM 12-21-14/301).
S 212-076
WARNING: BE CAREFUL WHEN YOU OPERATE THE DOORS OF THE NOSE AND MAIN
_______
LANDING GEAR. THE LANDING GEAR DOORS CAN MOVE QUICKLY AND CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(3) Examine the door areas of the nose and main landing gear. that there are no persons or equipment in the area. Make sure
(4) S 862-015Energize the airplane's electrical system (AMM 24-22-00).
S 862-016
(5)
Pressurize the airplane's hydraulic systems (AMM 29-11-00/201).
S 862-017
(6)
Operate the doors of the nose and main landing gear 2 or 3 times. This is to make sure they move freely when you use the ground release handles (AMM 32-00-15/201).
S 212-018
(7)
Examine the main landing gear door seals visually for areas that are flat, and for deterioration (AMM 32-12-00/501).
S 212-019
(8)
Examine the nose landing gear door seals visually for areas that are flat, and for deterioration (AMM 32-20-00).
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A
757
MAINTENANCE MANUAL
S 612-020
(9)
Do the servicing of the shock struts for the main landing gear (AMM 12-15-01/301).
S 612-021
(10)
Do the servicing of the shock strut for the nose landing gear (AMM 12-15-02/301).
S 612-022
(11)
When there is too much grease on the inner cylinders of the shock struts, clean it off.
S 092-023
(12)
Remove the tiedown straps and the wheel chocks.
S 582-024
(13)
Lift the airplane on jacks to remove the wheels (AMM 07-11-01/201).
S 022-025
(14)
Remove the wheels to apply lubricant (AMM 32-45-01/401), and do the steps that follow (AMM 12-21-00):
(a)
Do an inspection of the wheel bearings (this includes the cups in the wheels) (AMM 32-45-03/601).
(b)
Fill the wheel bearings with Aeroshell No. 5 grease.
(c)
Install the wheel bearings in the wheels.
(d)
Install the wheels on the airplane.
S 212-075
(15)
Examine the condition and serviceability of the tires
(AMM 32-45-04/601).
S 612-026
(16)
Make sure the tires are inflated to the specified pressure with nitrogen (AMM 12-15-03/301).
S 582-027
(17)
Tow or taxi the airplane sufficiently before flight to prevent tire flat spots.
G. Fuel System
S 632-028
(1) Remove the items that follow from each vent opening and each cavity opening:
(a) The screen
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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A
757 MAINTENANCE MANUAL
(b)
The mesh cloth
(c)
All other equivalent material
(d)
The red flags
(e)
The 3M tape.
S 652-029
(2) Do the servicing of the fuel tanks as follows:
(a)
Defuel the fuel tanks (AMM 28-26-00/201).
(b)
Do the leakage test for the fuel system tubing (AMM 28-22-07/601).
(c)
When the airplane is in storage for more than 60 days, go into the fuel tanks (AMM 28-11-00/201). 1) Examine the fuel tanks for microbial growth and structural
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