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A 737-300/400/500MAINTENANCE MANUAL
SEEA 1
2
3
UNIVERSAL JOINT
4
5
6
7
8
TRANSMISSION LOCATIONS
FWD
BALLSCREW
INBD
UNIVERSAL JOINT TRANSMISSION NO. 1 AND 8
FWD
INBD
BALLSCREW
TRANSMISSION NO. 2 AND 7
BALLSCREW
UNIVERSAL JOINT UNIVERSAL JOINT
BALLSCREW
FWD
INBD
INBD
FWD
TRANSMISSION NO. 4 AND 5 TRANSMISSION NO. 3 AND 6
Flap Transmission Check
Figure 601 (Sheet 1)
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A
737-300/400/500MAINTENANCE MANUAL
TORQUE TUBE
COUPLING
SLEEVE
FLAP RIGHT TORQUE TUBE
ANGLE GEARBOX COUPLING SLEEVE
FWD
TORQUE TUBE
WHEEL WELL
AFT BULKHEAD
RIGHT GEARBOX SHOWN (LEFT GEARBOX EQUIVALENT)
A
TORQUE TUBE
SLEEVE
COUPLING
TORQUE TUBE COUPLING SLEEVE
B
Flap Transmission Check Figure 601 (Sheet 2)
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A
737-300/400/500MAINTENANCE MANUAL
(d) Make a note of the indication on the torque wrench on the universal joint when the necessary input torque is applied (Fig. 602).
NOTE:____This torque value is the minimum lockout torque. You should do the test of the lockout torque in the same direction as the flap movement during the lockout.
S 726-009
(8)
Do the test of the minimum lockout for all applicable transmissions.
G.
Put the Airplane Back to Its Usual Condition
S 086-010
(1)
Remove the torque wrenches and adapters.
S 036-011
(2)
Install the ballscrew yoke in the universal joint:
(a)
Put the ballscrew in its position.
(b)
Apply a layer of the BMS 3-24 grease to the bolt.
GEARBOX TRANSMISSION (LB-IN.) TORQUE LOCKOUT MINIMUM 2 DIRECTION TO APPLY TORQUE TO THE RIGHT ANGLE GEARBOX 1
FLAPS EXTEND FLAPS RETRACT
LEFT WING RIGHT WING LEFT WING RIGHT WING
NO. 1 & NO. 8 580 CLOCKWISE COUNTERCLOCKWISE COUNTERCLOCKWISE CLOCKWISE
NO. 2 & NO. 7 850 CLOCKWISE COUNTERCLOCKWISE COUNTERCLOCKWISE CLOCKWISE
NO. 3 & NO. 6 350 CLOCKWISE COUNTERCLOCKWISE COUNTERCLOCKWISE CLOCKWISE
NO. 4 & NO. 5 330 CLOCKWISE COUNTERCLOCKWISE COUNTERCLOCKWISE CLOCKWISE
LOOKING OUTBOARD AT RIGHT ANGLE GEARBOX INPUT SHAFT.
THESE VALUES ARE SLIGHTLY LOWER THAN THE VALUES LISTED FOR THE OVERHAUL FUNCTIONAL TEST WHEN USING THE FUNCTIONAL TEST RIG. THIS DIFFERENCE IS NECESSARY TO ACCOUNT FOR THE DIFFERENT METHOD OF TESTING.
Torque Brake Minimum Lockout Torques
Figure 602
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