were turned on a runway 3) The wheel shows signs of a melted, an extruded, or a wheel thermal fuse that leaks.
32-45-04
ú ALL ú
ú ú ú 02.101 ú Page 612Sep 28/01
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757 MAINTENANCE MANUAL
NOSE WHEEL SPIN BRAKE - MAINTENANCE PRACTICES
_____________________________________________
1. General_______
A. This procedure contains three tasks. The first task removes the nose wheel spin brake. The second task installs the nose wheel spin brake. The third task is an inspection for allowable wear of the brake pad and the toe piece on the spin brake.
TASK 32-45-05-002-001
2. Nose Wheel Spin Brake - Removal (Fig. 201, Fig. 202)_______________________________
A. References
(1)
AMM 32-00-15/201, Landing Gear Door Locks
(2)
AMM 32-00-20/201, Landing Gear Downlocks
B.
Access
(1)
Location Zones
115 NLG Wheel Well (Left)
116 NLG Wheel Well (Right)
C.
Procedure
S 492-003
(1) Make sure that the landing gear downlocks are installed (AMM 32-00-20/201).
S 492-004
WARNING:_______OBEY THE INSTALLATION PROCEDURE FOR THE DOOR LOCKS. THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(2)
Open the doors for the landing gear and install the door locks (AMM 32-00-15/201).
(3)
Find the spin brake on the top surface of the nose gear wheel well.
S 012-005
32-45-05
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(3 LOCATIONS)
7.
INSULATOR
8.
PAD
9.
ALUMINUM TOE PLATE
WITH ADHESIVE.
Nose Wheel Spin Brake Installation
Figure 201
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. SPIN BRAKES WITH COMPOSITE MATERIAL WEAR ú
32-45-05
PAD ú
ú 01 ú Page 202Jan 28/02
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MAINTENANCE MANUAL
TOE PLATE
NOSE WHEEL WELL FORWARD BULKHEAD AND
AFT SURFACE OF BRAKE SPRING JUST ABOVE TOE PIECE.
Nose Wheel Spin Brake Installation
Figure 202
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. SPIN BRAKES WITH ALUMINUM WEAR BARS ú
32-45-05
ú ú 02 Page 203 ú May 28/99
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757 MAINTENANCE MANUAL
S 022-006
(4)
Remove the four bolts that attach the spring brake to the top surface of the wheel well and remove the spin brake.
S 022-007
(5)
If you removed the spin brake to replace the wear pad/bars, or the toe piece, do these steps:
(a)
Do a check of the wear pad/bars, and the toe piece for permitted wear.
(b)
Remove the fasteners and remove the toe piece if the wear exceeds the permitted limits.
(c)
Remove the fasteners and remove the wear pad/bars, if the wear exceeds the permitted limits.
TASK 32-45-05-402-008
3. Nose Wheel Spin Brake - Installation
____________________________________
A. Consumable Materials
(1)
A120047 Sealant, BMS 5-95
(2)
A00027 Adhesive - BAC5010, Type 60
B.
Parts
(1)
SPIN BRAKES WITH BRAKE PADS MADE OF COMPOSITE MATERIAL; Use this table:
~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 201 | 1 | Spring Arm | 32-45-05 | 01 | 90 | | | 2 | Bolt | | | 65 | | | 3 | Washer | | | 75 | | | 4 | Spacer | | | 85 | | | 5 | Bolt | | | 35 | | | 6 | Nut | | | 45 | | | 6A | Washer | | | 40 | | | 7 | Insulator | | | 55j | | | 8 | Pad | | | 60j | | | 9 | Toe Plate | | | 30 | | | 10 | Bushing | | | 50 | | | 11 | Insulator | | | 20 | | | 12 | Bolt | | | 5 | | | 13 | Washer | | | 10 | | | 14 | Nut | | | 15 | | | 15 | Bushing | | | 25 | 2......…........…...................................…...........….....…........1
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