757
MAINTENANCE MANUAL
BELLCRANK
SEE E SHT 5
OPERATING RODS AFT DOOR OPERATING RODS AFT DOOR
FLUSH FLUSH
OPERATING
BMS 3-33 RODS BMS 3-33
(2 LOCATIONS) (2 LOCATIONS)
2 2
AFT DOOR HINGE FLUSH
BMS 3-33 2 (1 LOCATION ON EACH HINGE; 2 HINGES ON EACH DOOR) STRUT SHOCK
AFT DOOR
AFT DOOR AND DOOR MECHANISMS
(RIGHT DOOR IS SHOWN)
(VIEW IN THE AFT DIRECTION)
6 POINTS
D
2 MIL-G-23827 IS OPTIONAL TO BMS 3-33
Lubrication of the Actuating Mechanisms on the Nose Landing Gear Doors Figure 301 (Sheet 4)
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ALL ú ú 01 Page 306 ú Jan 20/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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757
MAINTENANCE MANUAL
Lubrication of the Actuating Mechanisms on the Nose Landing Gear Doors
Figure 301 (Sheet 5)
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ALL ú ú 01 Page 307 ú Jan 20/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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757 MAINTENANCE MANUAL
MAIN GEAR AND ACTUATING MECHANISMS - SERVICING
______________________________________________
1. General_______
A. This procedure contains the data necessary to lubricate the main landing gear and the actuating mechanisms.
TASK 12-21-14-603-001
2. Lubricate the Main Landing Gear and the Actuating Mechanisms____________________________________________________________
A. Consumable Materials
(1)
D00633 Grease - BMS 3-33 (Recommended)
(2)
D00013 Grease - MIL-G-23827 (Alternative)
(3)
Wheel Bearing Grease -Aircraft, General Purpose, Wide Temperature:
(a)
D00378 - Aeroshell 22 (Recommended)
(b)
D00233 - Mobilgrease 28 (Alternative)
(c)
D00258 - Aeroshell 5 (Alternative)
(4)
D00528 Lubricant - ROYCO 11MS
B. References
(1)
AMM 06-44-00/201, Wings Access Doors and Panels
(2)
AMM 32-00-15/201, Landing Gear Door Locks
(3)
AMM 32-00-20/201, Landing Gear Downlocks
C. Access
(1)
Location Zones
731/741 Main Landing Gear
(2)
Access Panels
551BB Main Landing Gear Actuator - Left
651BB Main Landing Gear Actuator - Right
D. Prepare to Lubricate the Main Landing Gear and the Actuating Mechanisms
S 493-002
(1) Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
S 493-003
WARNING:_______OBEY THE INSTALLATION PROCEDURE FOR THE DOOR LOCKS. THE DOORS OPEN AND CLOSE QUICKLY. THE MOVEMENT OF THE DOORS CAN CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
(2) Open the doors for the landing gear and install the door locks (AMM 32-00-15/201).
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757
MAINTENANCE MANUAL
ú ú ú ú# ú ú S 013-008 (3) Remove the main gear actuator panels 551BB/651BB (AMM 06-44-00/201). E. Lubricate the Main Landing Gear and the Actuating MechanismsS 643-004CAUTION: DO NOT USE A PRESSURE OF MORE THAN 3000 PSI WHEN YOU___________LUBRICATE THE MAIN LANDING GEAR. A PRESSURE MORE THAN 3000 PSICAN CAUSE THE LUBRICATION FITTING TO BLOW OFF.
(1) If a fitting does blow off, do the steps that follow: (a) Make sure there is not a blockage or unwanted material in the lubrication path. (b) Install a new lubrication fitting (Ref 20-10-29).
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