S 494-091
(18)
Install the trunnion link support tool around the trunnion link. Use the instructions supplied with the tool.
S 034-019
(19)
Remove the nut (38) with the crowfoot wrench. Install the thread protector and remove the pin (35) to disconnect the drag strut from the trunnion link (View E-E). Attach the drag strut to the shock strut.
S 034-020
(20)
Remove the lubrication insert (31) and the pin (29) to disconnect the trunnion link from the shock strut (View D-D).
S 014-021
(21)
Lift the trunnion link and attach it away from the shock strut.
S 014-022
(22)
Increase the length of the positioner link for the shock strut. Move the shock strut to a vertical position.
NOTE: Use an inclinometer to find when the shock strut is vertical.
____
S 014-023
(23)
Lift the outer cylinder of the shock strut with the removal/installation equipment. Use automotive-type axle jacks to move the truck inboard or outboard. This will remove pressure from the aft bearing.
S 014-024
(24)
Apply a force on the aft side of the shock strut. Move the main landing gear forward to disengage it from the bearing.
S 014-025
(25)
Lower the outer cylinder of the shock strut and remove the removal/installation equipment.
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A
757
MAINTENANCE MANUAL
S 024-026
(26) Remove the main landing gear from below the airplane (28).
NOTE: To move the truck more easily, lift one end of it with an
____
automotive-type axle jack.
S 034-027
(27)
Remove the antirotation bolt (20), the plug (21), and the lockplate (22) from the forward trunnion support (Detail A).
S 584-028
(28)
Move the trunnion link into an approximate gear retracted position until the fuse pin and the cap are seen. Remove the cap (23) and the fuse pin (24), with the pin puller, to disconnect the trunnion link from the forward bearing.
S 014-029
(29)
Pull aft on the trunnion link to remove it from the bearing. Remove the trunnion link.
S 034-030
(30)
If different gear will be installed, remove the plug (39) from the spigot on the shock strut for the aft trunnion bearing (Fig. 402). Keep the plug for installation.
S 014-095
(31)
Remove the two aft sections of the MLG trunnion fairing (AMM 57-51-10/401).
S 434-096
(32)
Connect the aft inboard flap to the main inboard flap.
(33)
Disconnect the aft flap linkage from the trunnion support.
(34)
Remove the mount bolts (40).
(35)
Remove the aft trunnion support (41).
S 034-097
S 034-098
S 034-099
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A 757 MAINTENANCE MANUAL
GUN GUN TASK 32-11-01-844-117 GUN 3. Prepare To Install the Main Landing Gear
________________________________________ GUN A. Procedure GUN GUN S 214-110 GUN (1) Examine the areas you can see after main landing gear removal for GUN defects and sufficient protective finishes. Do a detailed visual GUN inspection of the MLG forward and aft trunnion support fittings. GUN Look for cracks, corrosion, bushing wear, bushing migration or other GUN damage. Repair all damge before you install the landing gear. GUN GUN S 844-111 GUN (2) Make sure the "on condition" and "condition monitored" units/parts GUN are moved from the main landing gear you removed to the replacement GUN landing gear. Do the Inspections/checks that are necessary to make GUN sure they are serviceable.
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本文链接地址：757 AMM 飞机维护手册 起落架 CHAPTER 32 - LANDING GEAR 1(80)
