(1 LOCATION)
INBOARD ANGLE GEARBOX

Lubrication for the TE Flaps Drive
Figure 302 (Sheet 7)

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MAINTENANCE MANUAL

UNIVERSAL JOINT

Lubrication for the TE Flaps Drive
Figure 302 (Sheet 8)

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MAINTENANCE MANUAL

TE FLAP PDU SEE A
FWD
A
TORQUE TUBE
SPLINED COUPLING
A SHT 2
INBD
FWD
TE FLAP POWER DRIVE UNIT (PDU)
A
Lubrication for the TE Flap Power Drive Unit
Figure 303 (Sheet 1)

TORQUE TUBE
ALTERNATE ELECTRIC MOTOR
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MAINTENANCE MANUAL

B 
D 
C  COUPLING SPLINED 
COUPLING SPLINED  HYDRAULIC MOTOR 
TUBE TORQUE  COUPLING FLUSH TORQUE TUBE 
TORQUE TUBE SHT 3 B  2 6 COUPLING FLUSH BMS 3-33 TORQUE TUBE (3 LOCATIONS)  DRAIN COVERS 1  SHT 3 C  INBD SHT 4 D  ALTERNATE ELECTRIC MOTOR 2 6 BMS 3-33 (3 LOCATIONS) 
(FORWARD VIEW) TE FLAP PDU 6 POINTS 
1  WORM WHEEL AND PINION GEARS REMOVE THE DRAIN COVERS TO GET TO THE  A-A 
2  PROCEDURE AGAIN FOR THE OTHER END OF THE EACH OF THE THREE LUBRICATION HOLES. DO THE TORQUE TUBE FILL THE COUPLING CAVITY WITH GREASE THROUGH 
6  MIL-G-23827 OPTIONAL MIL-G-21164 OPTIONAL BMS 3-33 RECOMMENDED 
Figure 303 (Sheet 2) Lubrication for the TE Flap Power Drive Unit 

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MAINTENANCE MANUAL

TORQUE TUBE
BYPASS
VALVE

TORQUE TUBE
MIL-G-21164
(1 LOCATION)
4
PDU POSITION TRANSMITTER
FWD
TE FLAP POWER DRIVE UNIT
(INBOARD VIEW)

1 POINT
B-B
WORM GEAR
TE FLAP PDU
WORM MIL-G-21164 WHEEL
(1 LOCATION)
5 7
DRAIN COVER
1 POINT
1  REMOVE THE DRAIN COVERS TO GET TO THE
C-C
WORM WHEEL AND PINION GEARS
4  ROTATE THE TORQUE TUBE COUNTERCLOCKWISE
(FACING INBD) BY HAND AND LUBRICATE THE GEAR TEETH

5  FILL THE GEAR TEETH WITH GREASE BY HAND
7 CAUTION: AIRPLANES WITH -14 OR SUBSEQUENT PDU'S;
USE ONLY MIL-G-21164 GREASE TO LUBRICATE THE
PDU. THE OPTIONAL GREASE (MIL-PRF-23827) CAN
CAUSE DAMAGE TO THE INTERNAL GEARS IN THE PDU.

Lubrication for the TE Flap Power Drive Unit Figure 303 (Sheet 3)
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D-D
REMOVE THE DRAIN COVERS TO GET TO THE WORM WHEEL AND PINION GEARS FILL THE GEAR TEETH WITH GREASE BY HAND
　
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