S 414-057

 (2)  
Install the access panels on the top surface of the flap track fairing for the inboard flap outboard track if it is necessary.

 S 414-058

 (3)  
Install the trailing edge access panels on the sides of the fairing if it is necessary.

 S 414-059

 (4)  
Install the inboard flap track fairings if it is necessary
 (Ref 27-51-32/401).

 S 864-060

 (5)
Move the flap control lever to the UP detent to retract the flaps.

 (6)  
Remove the system B hydraulic power (Ref 27-51-00/201).

 S 864-061
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-51-71
 ALL  ú ú 02 Page 415 ú Mar 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 FLAP TRANSMISSION - INSPECTION/CHECK
____________________________________
 1.  General
 A.  There is one task in this procedure. This task is to measure the minimum torque brake lockout of the transmissions.
 B.  You can use the minimum torque brake lockout test to find a transmission gearbox with a torque brake lockout below the minimum permitted value. You can only find the exact torque brake lockout during an overhaul test. You can use this procedure with the transmission installed on the airplane.
 TASK 27-51-71-726-001
 2.  Minimum Torque Brake Lockout Test_________________________________
 A.  Special Tools and Equipment
 (1)  
Torque Wrench Adapter

 (a)  
F80122-14, Used on Transmissions 3, 4, 5 and 6

 (b)  
F80122-15, Used on Transmissions 1 and 8

 (c)  
F80122-16, Used on Transmissions 2 and 7

 (d)  
F80122-12, Used on the Right Angle Gearbox

 B.  
Standard Tools and Equipment

 (1)  
Torque wrench - (0 to 250 lb-in. range)

 (2)  
Torque wrench - (250 to 1000 lb-in. range)

 C.  
Consumable Materials

 (1)  
A00247 Sealant BMS 5-95

 (2)  
D00633 Grease - BMS 3-33 (Recommended)

 (3)  
D00013 Grease - MIL-G-23827 (Alternate)

 (4)  
D00015 Grease BMS 3-24

 D.  
References

 (1)  
27-51-00/201, Trailing Edge Flap System

 E.  
Access

 (1)  
Location Zone 216, 217 Main Wheel Well 307, 407 Wing Trailing Edge Outboard Flap and Spoilers 309, 409 Wing Trailing Edge Inboard Flap and Spoilers

 F.  
Procedure

 (1)  
Supply the system B hydraulic power (Ref 27-51-00/201).

 S 866-003

 (2)  
Put the flap control lever in the 40-unit detent to extend the flaps.

 S 866-002
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-51-71
 ALL  ú ú 02 Page 601 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 S 866-004
 (3)  Remove the system B hydraulic power (Ref 27-51-00/201).
 S 496-005
 (4)  Install a support to hold the flaps while the universal joints are removed.
 S 486-006
 (5)  Install the torque wrench adapter on the applicable transmission (Fig. 601): (a) Remove the bolt to disassemble the universal joint. 1) Examine the output shaft at the bearing seal for corrosion. 2) If there is corrosion, replace the bearing and seal. (b) Install the torque wrench adapter in the universal joint. (c) Install the torque wrench (250 to 1000 pound-inch range) on the adapter. (d) Put the wrench against the structure to make sure it will not turn.
 NOTE:____ Do not put any part of the torque wrench against the structure except for the handle. To put any other part of the torque wrench against the structure will cause a wrong torque to be applied.
 S 036-007
 (6)  Disconnect the torque tube from the inboard side of the right angle gearbox on the same side of the airplane as the transmission. (a) Remove the screws that attach the coupling sleeves to the coupling on the gearbox. (b) Move the coupling sleeves off the couplings to disconnect the torque tube.
　
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