55-30-00
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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737-300/400/500MAINTENANCE MANUAL
 12) Connect the bridle hook A to the strongback (2) on the left side at location A. 13) Connect the bridle hook C to the strongback (2) on the right side at location C. 14) Connect the bridle hook H to the strongback (5) on the right side at location H. 15) Connect the bridle hook G to the strongback (10) on the right side at location G.
 S 024-012-B00
 (7)  Remove the vertical fin.
 (a)  
Remove the lockwire, the antirotation retainer bolt, the antirattle washer and the antirotation lock from the left hand and the right hand rear spar attach fittings (Fig. 402 sheet 2).

 (b)  
Remove the cotter pin, the nut, the washers and the bolt from the left hand and the right hand rear spar attach fittings (Fig. 402 sheet 1 & 2).

 (c)  
Remove the cotter pins, the self-locking nuts, the washers and the bolts from the front spar attach fittings (Fig. 402 sheet 1).

 NOTE: If you remove the bolts to inspect them, remove one bolt
____
 at a time to keep the fin aligned.

 (d)  
Lift the vertical fin from the airplane. Make sure there are no side loads on the sling attach points.

 (e)  
If the F80035-18 sling assembly is in use, lower the vertical fin on a cradle of sandbags below the spars. Hold the fin in the vertical position.

 (f)  
If the C55004-1 sling assembly is in use, lower the crane hook. The fin will turn to the horizontal position.

 S 094-013-B00
 (8)  
Remove the sling and the sling attachment fittings.

 (a)  Install the sling positioning screws in the fin surfaces.

 (9)  
Install the access doors.

 (10)
 Install a cover on the open structure on the fuselage.

 S 214-016-B00

 (11)
 Examine the leading edge of the vertical fin for aerodynamic smoothness (SRM 51-70-00).

 S 414-014-B00
 S 954-015-B00
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737-300/400/500MAINTENANCE MANUAL
 TASK 55-30-00-404-017-B00
 3.  Vertical Stabilizer (Fin) Installation______________________________________
 A. Standard Tools and Equipment
 (1)  Overhead crane or a portable crane equipped with a 50-foot boom and capable of lifting 2400 pounds
 B. Special Tools and Equipment
 (1)  
F80035-18 - Sling Assembly (Use if the fin will not be put on its side)

 (2)  
C55004-1 - Sling Assembly (Use if the fin will be put on its side)

 (3)  
F80150-1 - Rudder Gust Lock

 (4)  
SE27-2006 - Rudder Gust Lock (Airplanes with 3 rudder balance weights, install across lower balance weight slot)

 (5)  
F70207-69 Rig Pin Kit (Centering Unit Output Crank R-5)

 (6)  
MIT 65-73716-1 Alignment and Guide Pin (2 necessary)

 (7)  
MIT 65-73716-2 Alignment and Guide Pins (4 necessary)

 C. Consumable Materials
 (1)  
B00278 Solvent - Kerosine 221

 (2)  
D00015 Grease - Corrosion Preventive, BMS 3-24

 D. References
 (1)  
AMM 23-11-00/501, HF Communication System

 (2)  
AMM 27-21-00/201, Rudder and Rudder Trim Control System

 (3)  
AMM 27-21-00/501, Rudder and Rudder Trim Control System

 (4)  
AMM 34-31-00/501, VOR/ILS Navigation System Test

 (5)  
AMM 34-31-02/501, VOR/ILS Navigation System Test

 E. Access
 (1)  
Location Zones
 201/202 Control Cabin
 700 Empennage

 (2)  
Access Panels
 3701 Stab Trim Access Door
 9503/9504 Front Spar Access Door
　
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