(2)
Plastic Scraper
B.
Consumable Materials
(1)
B00316 Solvent - TT-N-95.
(2)
A00964 Primer - BMS 10-11
(3)
G00216 Wiper - BMS 15-5, Class A
(4)
D00509 Fluid - Hydraulic, Petroleum Base, MIL-H-6083
NOTE: You can use MIL-H-5606 as an alternate to the preferred
____
MIL-H-6083.
C. References
(1)
AMM 07-11-01/201, Jacking Airplane
(2)
AMM 32-00-15/201, Landing Gear Down Locks
(3)
AMM 32-00-20/201, Landing Gear Door Locks
D.
Prepare for the Procedure
S 216-002
WARNING: YOU MUST CAREFULLY INSTALL THE GROUND LOCKS IN ALL LANDING
_______ GEAR. AN ACCIDENTAL RETRACTION OF THE LANDING GEAR CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(1) Make sure the ground locks are installed in all the landing gear (AMM 32-00-15/201).
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S 416-003
WARNING: YOU MUST CAREFULLY DO THE STEPS WHEN YOU INSTALL THE DOOR LOCKS
_______ ON THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT INSTALL THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(2)
Do this task: "Installation of the Door Locks." (AMM 32-00-20/201). Install the locks on both of the main doors and on the nose door.
S 826-004
(3)
Lift the airplane on jacks until the inner cylinder is fully extended (AMM 07-11-01/201).
NOTE: You can temporarily overinflate the shock strut if you do
____
not have jacks to lift the airplane.
S 116-005
(4)
Clean the chrome plated area on the inner cylinder of the shock strut with solvent. Wipe the chrome dry.
E.
Procedure
S 216-006
(1)
Examine the chrome surface on the outer diameter of the inner strut for cracks (chicken-wire cracks):
(a)
Shine light at an angle to the chrome surface of the inner strut.
NOTE: You can use a flashlight for this check.
____
(b) Look at the surface from different directions to make sure you see all the cracks.
NOTE: Do not use a magnifying glass to do this inspection.
____ Cracks are normal on the chrome and do not need to be repaired unless they extend to the base metal.
(c) Move the sharp edge of a new hard plastic scraper perpendicular over all the exposed chrome plated surface with a smooth movement and light hand pressure.
NOTE: You will feel a "grab" or a "catch" when you go over a
____ wide crack with this method. Make sure the plastic scraper is new, as used scrapers will not satisfactorily find the cracks.
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(d) If you see any possible area of corrosion, chipping, or lifting chrome plate, or if you felt a wide crack with the plastic scraper, reinspect the area with a metal dental explorer. Move the sharp point of the explorer with medium hand pressure to go over the area of suspected damage. Go over the area with the dental explorer from multiple directions. If the chrome is lifting and/or loose try to pick it off with the metal explorer. 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：757 AMM 飞机维护手册 起落架 CHAPTER 32 - LANDING GEAR 1(12)
