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A
747-400
MAINTENANCE MANUAL
(2)
D00013 Grease - MIL-G-23827 (optional)
(3)
D00091 Oil - General Purpose, Low Temperature, MIL-L-7870
(4)
G00009 Compound - Corrosion Inhibiting, BMS 3-23
C. References
(1)
AMM 09-11-00/201, Towing
(2)
AMM 32-00-30/201, Landing Gear Door Locks
D. Access
(1) Location Zone
113 Nose Gear Wheel Well, LH
114 Nose Gear Wheel Well, RH
711 Nose Landing Gear Door, Forward, LH
712 Nose Landing Gear Door, Forward, RH
713 Nose Landing Gear Door, Aft, LH
714 Nose Landing Gear Door, Aft, RH
715 Nose Landing Gear
E. Procedure
S 213-088
WARNING: MAKE SURE THE GROUND LOCKS ARE INSTALLED IN ALL OF THE LANDING
_______ GEAR. WITHOUT THE GROUND LOCKS, THE LANDING GEAR CAN RETRACT AND CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
(1) Make sure the ground locks are installed in the nose and main landing gear (AMM 09-11-00/201).
S 413-089
WARNING:_______OBEY THE INSTALLATION PROCEDURE FOR THE DOOR LOCKS. THE DOORS CAN OPEN AND CLOSE QUICKLY. THE MOVEMENT OF THE DOORS CAN CAUSE INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT.
(2) Open the doors for the nose landing gear and install the door locks (AMM 32-00-30/201).
S 643-004
CAUTION:_______BE CAREFUL WHEN YOU REMOVE THE GREASE GUN. YOU CAN EASILY CAUSE DAMAGE TO THE LUBRICATION FITTINGS.
(3) Lubricate the nose landing gear and the doors
(Fig. 302 through Fig. 305).
S 033-066
WARNING:_______OBEY THE REMOVAL PROCEDURE FOR THE DOOR LOCKS. THE DOORS CAN OPEN AND CLOSE QUICKLY. THE MOVEMENT OF THE DOORS CAN CAUSE INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT.
(4) Remove the door locks (AMM 32-00-30/201).
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MAINTENANCE MANUAL
NOSE LANDING GEAR DOORS
(FIGURE 305)
NOSE LANDING GEAR
(FIGURES 302 TO 304)
BODY LANDING GEAR DOORS
(FIGURE 309)
BODY LANDING GEAR ____NOTE: REFER TO FIGURE 310 FOR THE LUBRICATION
(FIGURES 306 TO 308) OF THE BODY GEAR UPLOCK.
WING LANDING GEAR DOORS
(FIGURE 314)
WING LANDING GEAR ____NOTE: OF THE WING GEAR UPLOCK. REFER TO FIGURE 315 FOR THE LUBRICATION
(FIGURES 311 TO 313)
Landing Gear Lubrication Index
Figure 301
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SEE A
SEE B
LINK
ZERK
SUPPORT FITTING
BMS 3-33
(2 LOCATIONS)
DOWNLOCK ACTUATOR
DOWNLOCK ACTUATOR
DOWNLOCK ZERK
CRANK FITTING
BMS 3-33
(2 LOCATIONS)
SUPPORT FITTING
DOWNLOCK 1
ZERK
ACTUATOR ZERK
BMS 3-33
(2 LOCATIONS) BMS 3-33
(2 LOCATIONS)
1
DOWNLOCK
RELEASE LINK
UPPER DOWNLOCK LINK SHAFT ATTACH BOLT (2 LOCATIONS)
8 POINTS
A GREASE GUN WITH A FLEXIBLE TUBE
1
IS NECESSARY FOR THESE LOCATIONS A
Nose Landing Gear Upper End Lubrication
Figure 302 (Sheet 1)
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