S 022-005
(4)
Remove the uplock roller assembly.
NOTE: The assembly bolt, roller, needle bearings, and sleeve
____
make the uplock roller assembly.
TASK 32-13-13-202-012
3. Body Landing Gear Uplock Roller Assembly Examination (Fig. 201)
____________________________________________________
A. References
(1)
AIPC 32-13-13 Fig. 2
B.
Access
(1)
Location Zone
755 Body Landing Gear, LH
765 Body Landing Gear, RH
C.
Procedure
S 022-013
(1)
Remove the uplock roller assembly (AMM 32-13-13/201).
S 222-014
(2)
Examine the wear limits for the uplock roller, the roller support, the needle bearings, the bushings and the bolt (Fig. 201).
(a)
Measure the parts as specified and compare the measured dimensions to the limit dimensions.
(b)
If a part is not in tolerance, repair or replace the part if it is necessary.
(3)
Install the uplock roller assembly (AMM 32-13-13/201).
S 422-015
TASK 32-13-13-402-006
4. Body Landing Gear Uplock Roller Assembly Installation
_____________________________________________________
A. Consumable Materials
(1) D00633 Grease - BMS 3-33 (preferred)
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747-400
MAINTENANCE MANUAL
(2)
D00013 Grease - MIL-G-23827 (optional)
B.
References
(1)
AMM 09-11-00/201, Towing
(2)
AMM 12-21-01/301, Landing Gear
(3)
AMM 32-00-30/201, Landing Gear Door Locks
(4)
AIPC 32-13-13 Fig. 2
C.
Access
(1)
Location Zone
755 Body Landing Gear, LH
765 Body Landing Gear, RH
D.
Procedure
S 212-013
(1) Examine the points that attach for the worn areas (See Fig. 201, sheet 2).
S 432-008
CAUTION: MAKE SURE THE SLEEVE TOUCHES THE INNER RACE OF THE BEARING
_______ AFTER INSTALLATION. DAMAGE TO EQUIPMENT CAN OCCUR IF THE SLEEVE DOES NOT TOUCH THE INNER RACE OF THE BEARING.
(2) Push two sets of needle bearings into the roller.
NOTE: Make sure the sleeve is between the bearings.
____ Push the bearings against the small radius side of the outer race when you install the bearings.
S 422-014
(3)
Install the roller in the arm assembly on the shock strut.
(4)
Install the nut and tighten it to a torque of 4 to 6 pound-feet.
S 032-015
(5)
Loosen the nut until you can turn the roller and the bolt
independently with your hand.
S 432-009
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747-400 MAINTENANCE MANUAL
(6) S 432-016Install the cotter pin.
(7) S 642-010Lubricate the uplock roller of the body landing gear at the lubrication fittings (AMM 12-21-01/301).
S 092-021
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE THE
_______ DOOR LOCKS FROM THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT REMOVE THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(8)
Do this task: "Removal of the Door Locks on the Wing Landing Gear" (AMM 32-00-30/201).
S 092-022
(9)
Do this task: "Removal of the Door Locks on the Body Landing Gear" (AMM 32-00-30/201).
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