S 094-051
(2)
Remove the safety strut for the side cargo door (Ref 52-32-16/401).
S 414-052
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE AWAY FROM THE DOOR AND
_______ THE DOOR OPENING WHEN YOU OPERATE THE DOOR. FAILURE OF THE LIFT MECHANISM COULD CAUSE THE DOOR TO CLOSE QUICKLY WHICH COULD CAUSE INJURY OR DAMAGE.
(3) Close the side cargo door (Ref 52-32-00/001).
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747-400 MAINTENANCE MANUAL
TASK 25-57-03-824-053
5. Sill Assembly Adjustment (Fig. 401)________________________
A. General
(1)
This task gives instructions to adjust the clearance between the sill support fittings and the door latch fittings. The sill support fittings are on the bottom of the two outboard sills. There are five sill support fittings on each outboard sill. The door latch fittings are on the structure below the outboard sills.
(2)
You must do this task for the first installation of the sill assembly.
B. References
(1)
52-32-00/001, Side Cargo Door
(2)
52-32-16/401, Side Cargo Door Safety Strut
C. Access
(1) Location Zone
210 Main Deck
D. Prepare for the Adjustment
S 014-054
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE AWAY FROM THE DOOR AND
_______ THE DOOR OPENING WHEN YOU OPERATE THE DOOR. FAILURE OF THE LIFT MECHANISM COULD CAUSE THE DOOR TO CLOSE QUICKLY WHICH COULD CAUSE INJURY OR DAMAGE.
(1)
Open the side cargo door (Ref 52-32-00/001).
S 494-055
(2)
Install the safety strut for the side cargo door if it is necessary (Ref 52-32-16/401).
NOTE: It is optional to install the safety strut.
____
S 494-056
WARNING: BE CAREFUL WHEN YOU ARE NEAR THE OPENING OF THE SIDE CARGO
_______ DOOR. INSTALL THE PERSONNEL SAFETY NET ACROSS THE OPENING OF THE DOOR WHEN AN ACCESS STAND OR A PLATFORM IS NOT AT THE DOOR OPENING. THE MAIN DECK COMPARTMENT IS 16 FEET ABOVE THE GROUND. INJURY TO PERSONS CAN OCCUR IF THEY FALL THROUGH THE OPENING OF THE DOOR.
(3) Install the personnel safety net across the door opening if it is necessary.
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747-400
MAINTENANCE MANUAL
E. Do an Adjustment of the Sill Assembly
NOTE: The forward outboard sill is adjusted first and then the aft
____
outboard sill.
S 034-057
(1) Remove the horizontal adjustment shims and the vertical adjustment shims from the sill support fittings on the outboard sill.
NOTE: There will be seven horizontal adjustment shims at two of the
____ sill support fittings. There will be five vertical adjustment shims at all five of the sill support fittings. The horizontal adjustment shims are 0.05 inch thick. The vertical adjustment shims are 0.02 inch thick (2 shims),
0.05 inch thick (2 shims), and 0.125 inch thick (1 shim).
S 864-058
(2)
Move the outboard sill to the open position (not folded).
S 824-059
(3)
Move the outboard sill up or down until it is level (+/-0.050 inch) with the inboard sill.
NOTE: The outboard sill must stay level with the inboard sill
____
during the adjustment.
S 224-061 中國航空網 m.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：747-400 AMM 飛機維護手冊 EQUIPMENT/FURNISHINGS 2(83)
