Inboard Trailing Edge Flap Tracks and Ball Screw Actuators
Servicing (Lubrication)
Figure 302 (Sheet 3)
B49993
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747-400 MAINTENANCE MANUAL
TRACK ATTACHMENT FITTING ZERK
FLAP
TRACK
BMS 3-33
(2 LOCATIONS)
MOUNTING
BOLT
INBDFWD
2 POINTS
D
TIE FITTING
ZERK
BMS 3-33
(1 LOCATION)
LINK
INBD FWDTENSION TIE
FLUSH
BMS 3-33
(1 LOCATION)
3
REMOVE THE ACCESS PANEL 572FB 2 POINTS
TO GET ACCESS TO THE TIE FITTING
(AMM 06-09-08/201)
E3
Inboard Trailing Edge Flap Tracks and Ball Screw Actuators
Servicing (Lubrication)
Figure 302 (Sheet 4)
B50011
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747-400 MAINTENANCE MANUAL
GIMBAL ZERK
B
BMS 3-33 (1 LOCATION)
B
TRANSMISSION
4
4 GIMBAL CAP
BALL SCREW FLUSH
UNIVERSAL JOINT 4
ZERK BMS 3-33
BMS 3-33 (2 LOCATIONS)
BMS 3-33 BALL SCREW NUT
(4 LOCATIONS) (1 LOCATION) ZERK
VENT BMS 3-33FWD (1 LOCATION)
5
INBD
7
9 POINTS
F
TRANSMISSION FLUSH
NOTE:____ TRANSMISSION GEARBOX OIL BMS 3-33 REPLENISHING COVERED IN
(1 LOCATION)
AMM 12-13-13/301. 6
4 ONE MORE LUBE POINT IS ON THE OPPOSITE SIDE (NOT SHOWN)
5 ADD GREASE UNTIL ALL OF THE OLD GREASE AND ACCUMULATED MOISTURE HAS BEEN PUSHED THROUGH THE VENT
6 INBOARD TRANSMISSION ONLY.
ONE, TWO OR THREE LUBRICATION FITTINGS 1 POINT
CAN BE INSTALLED. LUBRICATE AT THE MOST ACCESSIBLE
B-B
LUBE FITTING, IF MORE THAN ONE IS INSTALLED
7
OPTIONAL: TO MAKE SURE VOIDS ARE FILLED, LUBRICATE AT FLAPS 30 AND RELUBRICATE AT FLAPS 25.
Inboard Trailing Edge Flap Tracks and Ball Screw Actuators
Servicing (Lubrication)
Figure 302 (Sheet 5)
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747-400
MAINTENANCE MANUAL
FOREFLAP SEQUENCE CARRIAGE
SEE E
AFT BOGIE AND FOREFLAP FORWARD BOGIE
SEQUENCE CARRIAGE HOOK ROLLERS SEE D
SEE C
CARRIAGE THRUST BEARING
SEE B
AFT ROLLER
UPSTOP ROLLER SEE D
SEE D AFT BOGIE AND GENEVA CAM
SEE A
NOTE: THE LEFT SIDE OF THE INBOARD CARRIAGE IS SHOWN (ALL OTHER INBOARD FLAP CARRIAGES ARE EQUIVALENT).
Inboard Trailing Edge Flap Carriage
Servicing (Lubrication)
Figure 303 (Sheet 1)
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747-400
MAINTENANCE MANUAL
AIRLOAD ROLLERS ZERK
BMS 3-33 (2 LOCATIONS)
SUPPORT PINS MAIN CARRIAGE ZERK
BMS 3-33 (2 LOCATIONS)
SIDE LOAD ROLLER ZERK SIDE LOAD ROLLER ZERK
BMS 3-33 (1 LOCATION) BMS 3-33 (1 LOCATION)
BMS 3-33 GENEVA CAM (3 LOCATIONS) ZERK 1 BMS 3-33 AIRLOAD ROLLER (2 LOCATIONS) ZERK
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