S 865-183
(18)
Remove the pressure from hydraulic systems No. 1 and 4 (AMM 29-11-00/201).
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747-400 MAINTENANCE MANUAL
S 225-184
(19)
Make sure that the stop at the (View B-B, Figure 502) touches the pad.
S 225-185
(20)
Make sure you align the forward edge of the outboard door in the mismatch (View A-A).
S 225-186
(21)
Make sure that you align the inboard edge of the inboard door in the mismatch (View B-B).
S 215-187
(22)
Make sure that the stop at (View C-C, Figure 502) touches the pad.
S 225-188
(23)
Make sure that there is a clearance of 0.002 to 0.015 inch at View A-A between the stop and the pad.
S 865-267
(24)
Pressurize the hydraulic system No. 1 (AMM 29-11-00/201).
WARNING:_______ MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL CONTROL
SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER. AILERONS, RUDDERS,
ELEVATORS, FLAPS, SPOILERS, LANDING GEAR, AND THRUST REVERSERS
CAN MOVE QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER. THIS CAN
CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
S 865-225 WARNING: MAKE SURE ALL PERSONS AND EQUIPMENT ARE CLEAR OF THE DOOR
_______ OPERATION PATH. IF YOU MOVE THE DOORS TOO QUICKLY, YOU CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(25) Move the release handle of the ground door to the "Doors Open" position to open the body gear doors fully.
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747-400 MAINTENANCE MANUAL
S 495-268
WARNING:_______ YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO 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.
(26)
Do this task: "Installation of the Door Locks on the Wing Landing Gear" (AMM 32-00-30/201).
S 495-269
(27)
Do this task: "Installation of the Door Locks on the Body Landing Gear" (AMM 32-00-30/201).
S 825-190
(28)
Turn the end fitting with one-half turn to decrease the length of the inboard and outboard door linkage rods.
S 435-193
(29)
Temporarily attach the linkage rod of the sequence valve to the door fitting and carrier mechanism (View C, Figure 503) with the fasteners.
S 715-194
(30)
Adjust the serrated fitting for the linkage rod installation of the sequence valve.
(a)
Put the rigging pin (BD-1 LH, BD-2 RH) at point A (View C, Figure 503) through the two sides of the link carrier and the link assembly.
NOTE: If you can not put the rigging pin in freely, adjust the
____ door as follows:
CAUTION: DO NOT MOVE THE DOOR WITH THE VALVE LINKAGE CONNECTED
_______ AND WITH THE DOOR INCORRECTLY ADJUSTED. IF YOU DO THAT, YOU CAN CAUSE DAMAGE TO THE VALVE MECHANISM.
1) Disconnect the linkage rod of the sequence valve from the door attached fitting. 2) Set the linkage rod manually for the installation of the rigging pin.
3) Adjust the serrated fitting that connect the actuator linkage rod to the outboard door until you can connect the linkage rod (Figure 503).
NOTE: One serration of the bracket will change the door
____ dimension by 0.13 inch.
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