32-45-05
ALL ú ú 03 Page 204 ú Jan 28/02
A
757
MAINTENANCE MANUAL
(2) SPIN BRAKES WITH ALUMINUM WEAR BARS;
Use the table that follows:
~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 202 | 1 | Spring Arm | 32-45-05 | 01 | 165 | | | 2 | Bolt | | | *[1] | | | 3 | Washer | | | *[2] | | | 4 | Filler | | | 105 | | | 5 | Bolt | | | 150 | | | 6 | Nut | | | 160 | | | 6A | Washer | | | 155 | | | 7 | Wear Bar | | | 163 | | | 8 | Toe Plate | | | 145 | | | 9 | Bolt | | | 120 | | | 10 | Washer | | | 125 | | | 12 | Insulator | | | 140 | | | 13 | Washer | | | 130 | | | 14 | Nut | | | 135 | 2......…........…...................................…...........….....…........1 *[1] BACB30NM5K16 *[2] AN960JD516
C. References
(1)
AMM 32-00-15/201, Landing Gear Door Locks
(2)
AMM 32-00-20/201, Landing Gear Downlocks
D.
Access
(1)
Location Zones
115 NLG Wheel Well (Left)
116 NLG Wheel Well (Right)
E.
Procedure
S 422-009
WARNING: YOU MUST WEAR PROTECTIVE TYPE RESPIRATORS WHEN YOU DO
_______ MAINTENANCE ON THE SPIN BRAKES OR WHEN YOU ARE NEAR TO WHERE MAINTENANCE IS DONE ON THE SPIN BRAKES. ON SPIN BRAKES THAT HAVE BRAKE PADS MADE OF COMPOSITE MATERIAL, THE BRAKE PADS POSSIBLY CONTAIN ASBESTOS FIBERS OR DUST WHICH CAN BE DANGEROUS IF IT IS INHALED.
(1) AIRPLANES WITH BRAKE PADS MADE OF COMPOSITE MATERIAL; If the brake pad was removed from the spring arm, install a replacement pad with countersunk fasteners (Fig. 201).
32-45-05
ALL ú ú 02 Page 205 ú Jan 28/02
A
757
MAINTENANCE MANUAL
S 422-011
(2) AIRPLANES WITH ALUMINUM WEAR BARS;
If you removed one or more wear bars, install each new wear bar with
fasteners (two locations) as shown in Fig. 202.
S 422-017
(3) AIRPLANES WITH ALUMINUM WEAR BARS ON THE SPIN BRAKE;
If you removed the toe piece from the spring arm, install the new
toe piece as shown in Fig. 202, Detail B.
S 422-013
(4) SPIN BRAKES WITH COMPOSITE MATERIAL BRAKE PADS;
Install the spin brake as follows (Fig. 201):
(a) Apply sealant to the surfaces that touch.
(b) Apply wet sealant to the bolts.
(c) Put the spin brake in position on the wheel well ceiling and
install with the bolts (four locations).
(d) Apply wet sealant to the bolt heads and washers.
S 422-018
(5) SPIN BRAKES WITH ALUMINUM WEAR BARS;
Install the spin brake as follows (Fig. 202):
(a) Loosely install the four bolts (2) and washers (3) to hold the
spin brake in the installed position.
(b) See if the aft surface of the spin brake is 15.42 to 15.52
inches from the nose wheel well forward bulkhead as shown in
Fig. 202.
(c) If you do not have this dimension remove shim material (15) or
add shim material (15) as necessary to get this dimension.
1) Apply wet sealant to the surfaces of the shim material that
touch.
2) Install the filler (4) to the bottom of the shim (15).
(d) Remove the bolts (2, four locations).
(e) Apply sealant to the bolts (2).
32-45-05
ALL ú ú 04 Page 206 ú May 28/99
A
757
MAINTENANCE MANUAL
(f)
Apply a faying surface seal with sealant on the surfaces of the spring arm (1) that touch the structure and the fillers (4).
(g)
Install the bolts (2) and washers (3), four locations.
(h)
Apply wet sealant to the bolt heads and the washers.
TASK 32-45-05-212-014
4. Nose Wheel Spin Brake - Inspection (Fig. 201)
__________________________________
A. Access
(1)
Location Zones
115 NLG Wheel Well (Left)
116 NLG Wheel Well (Right)
B.
Procedure
S 212-015
(1)
SPIN BRAKES WITH COMPOSITE MATERIAL WEAR PAD; Examine the wear pad for wear and replace it the upper surface of the pad is 1/32 inch or less above the countersunk fastener head. Examine the toe piece for wear and replace it if the upper surface of the toe piece is 1/32 inch or less above the countersunk fastener head.
中國航空網 m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：757 AMM 飛機維護手冊 起落架 CHAPTER 32 - LANDING GEAR 3(84)
