(e)
Connect the linkage rod of the inboard door.
S 865-009
(5) Pressurize the hydraulic systems No. 1 and 4 (AMM 29-11-00/201).
S 865-010
WARNING: MAKE SURE THAT ALL PERSONS AND EQUIPMENT ARE CLEAR OF THE DOOR
_______ OPERATION AREAS. DO NOT MOVE THE DOORS TOO QUICKLY. IT CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(6)
Operate the release handle to close the left and right doors of the wheel well for the wing and body landing gear.
S 865-011
(7)
Remove the pressure from hydraulic systems No. 1 and 4 (AMM 29-11-00/201).
S 835-012
(8)
Continue to adjust the inboard door of the wheel well.
(a)
Make sure that the aft stop touches the door.
(b)
Measure the mismatch at the forward end of the door as shown (View A-A, Fig. 503).
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747-400 MAINTENANCE MANUAL
(c) Adjust the mismatch again if it is necessary.
WARNING: MAKE SURE THAT ALL PERSONS AND EQUIPMENT ARE CLEAR OF
_______ THE DOOR OPERATION AREAS. DO NOT MOVE THE DOORS TOO QUICKLY. IT CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
1) Operate the release handle to open the doors of the wheel well for the wing and body landing gear.
S 835-014
(9)
Continue to adjust the inboard door:
(a)
Continue to adjust the mismatch again, if it is necessary.
1) Adjust the linkage rod end of the inboard door to align the edge of the door (View A-A, Fig. 503).
NOTE: One-half turn on the rod end will move the
____ forward edge of the door 0.08 inch vertically.
S 865-016
(10) Pressurize the hydraulic systems No. 1 and 4 (AMM 29-11-00/201).
S 865-017
WARNING: MAKE SURE THAT ALL PERSONS AND EQUIPMENT ARE CLEAR OF THE DOOR
_______ OPERATION PATHS. DO NOT MOVE THE DOORS TOO QUICKLY. IT CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(11)
Operate the release handle to close the left and right wheel well door of the wing and body landing gears.
S 865-018
(12)
Remove the pressure from the hydraulic power No. 1 and 4 systems (AMM 29-11-00/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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747-400 MAINTENANCE MANUAL
S 835-019
(13)
Continue to adjust the inboard door of the wheel well:
(a)
Make sure the aft stop touches the door.
(b)
Measure the mismatch at the forward end of the door as shown (View A-A, Fig. 503).
(c)
Make sure that the mismatch is in the approved tolerance.
WARNING: MAKE SURE THAT ALL PERSONS AND EQUIPMENT ARE CLEAR OF THE
_______ DOOR OPERATION PATHS. DO NOT MOVE THE DOORS TOO QUICKLY. IT CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(d) Operate the release handle to open the wheel well doors of the wing and body landing gears.
S 835-021
(14)
Continue to adjust the inboard door of the wheel well:
(a)
Tighten the nut on the linkage rod of the inboard door to 600 - 1500 pound-inches (View B, Fig. 502).
S 415-022
(15)
Install the outboard door of the wheel well if it is removed (AMM 32-12-01/401).
H.
Adjust the outboard door of the wheel well (Fig. 502 and 504).
S 825-201
(1) Table 502 (for Fig. 504) shows expanded tolerances which were permitted at delivery. Use these tolerances only if you cannot get the usual tolerances.
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