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32-45-05
ALL ú ú 01 Page 202 ú Oct 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
TASK 32-45-05-422-008
3. Nose Wheel Snubber Assembly - Installation
__________________________________________
A. References
(1)
AMM 09-11-00/201, Towing
(2)
AMM32-00-30/201, Landing Gear Door Locks
(3)
IPC 32-45-05, Fig. 1
B.
Access
(1)
Location Zone
113 Nose Gear Wheel Well, LH
114 Nose Gear Wheel Well, RH
C.
Procedure (Fig. 201)
S 212-018
(1) Make sure the ground locks are installed in all landing gear (AMM 09-11-00/201).
S 862-002
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.
(2) Do this task: "Installation of the Door Locks on the Nose Landing Gear" (AMM 32-00-30/201).
S 432-012
WARNING: THE NOSE WHEEL SNUBBER BLOCKS CONTAIN FIBERS OR DUST WHICH CAN
_______ BE HARMFUL IF INHALED. MAKE SURE YOU PUT ON A PROTECTIVE TYPE RESPIRATOR WHEN YOU DO WORK NEAR THE SNUBBER BLOCKS THAT CAN CAUSE AIRBORNE FIBERS OR DUST.
(3) If removed, install the snubber block on the snubber spring, with the 12 bolts, washers, and nuts.
NOTE: If you will install a new snubber block, make sure the holes
____ are correctly drilled for the bolt installation. If you can not clamp the snubber block to the snubber spring within 0.06 inch, apply no more than 250 degree F of heat to the snubber block to achieve that dimension.
(a)
Install the bolts with the countersunk heads in the snubber block.
(b)
Hold the snubber assembly in position on the top panel of the nose wheel well.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-45-05
ALL ú ú 01 Page 203 ú Oct 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
(c)
Examine the distance from the top of the wheel well to the bottom of the snubber spring (See Figure 201).
(d)
Install the four bolts and tighten the bolts.
S 862-003
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE THE
_______ DOOR LOCKS ON THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT REMOVE THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(4) Do this task: "Removal of the Door Locks on the Nose Landing Gear" (AMM 32-00-30/201).
TASK 32-45-05-222-015
4. Nose Gear Wheel Snubber Block - Inspection
__________________________________________
A. References
(1)
AMM 09-11-00/201, Towing
(2)
AMM 32-00-30/201, Landing Gear Door Locks
(3)
IPC 32-45-05, Fig. 1
B.
Access
(1)
Location Zone
113 Nose Gear Wheel Well, LH
114 Nose Gear Wheel Well, RH
C.
Procedure (Fig. 201)
S 212-017
(1) Make sure the ground locks are installed in all landing gear (AMM 09-11-00/201).
S 862-004
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.
(2) Do this task: "Installation of the Door Locks on the Nose Landing Gear" (AMM 32-00-30/201).
S 222-016
WARNING: THE NOSE WHEEL SNUBBER BLOCKS CONTAIN FIBERS OR DUST WHICH CAN
_______ BE HARMFUL IF INHALED. MAKE SURE YOU PUT ON A PROTECTIVE TYPE RESPIRATOR WHEN YOU DO WORK NEAR THE SNUBBER BLOCKS THAT CAN CAUSE AIRBORNE FIBERS OR DUST.
(3) Measure the distance between the bolt head and the wear surface of the snubber block at each bolt position.
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