C.  
Using the hoisting sling, you can remove and install the outboard sections of the horizontal stabilizer (with or without the elevators and elevator tabs installed).

 TASK 27-41-11-004-001
 2.  Horizontal Stabilizer Removal_____________________________
 A.  Special Tools and Equipment
 (1)  
F80006-54 or -52 (preferred) - Horizontal Stabilizer Hoisting Sling

 (The -58 cable is used to remove or install the stabilizer without the elevator attached. The -56 cable is used to remove or install the stabilizer with the elevator attached.)

 (2)  
F71336-501 - Horizontal Stabilizer Trim Lock

 (3)  
F80255-11 - Alignment and Guide Pins

 B.  
Standard Tools and Equipment

 (1)  
Hoist - capable of lifting 700 pounds to 20 foot height

 (2)  
Support Stand - to support the stabilizer after removal

 (3)  
C55005-1 - Horizontal Stabilizer Pin Removal Equipment

 C.  
References

 (1)  
AMM 27-31-00/201, Elevator and Tab Control System

 D.  
Access

 (1)  
Location Zone
 709 Horizontal Stabilizer, LH
 710 Horizontal Stabilizer, RH

 (2)  
Access Panels
 3801 Tail Cone Access Door, LH
 3802 Tail Cone Access Door, RH

 E.  
Prepare for Removal

 S 864-002
 (1)  
Remove the elevator hydraulic systems A and B hydraulic power (AMM 27-31-00/201).

 (2)  
Set the stabilizer trim cutout switches to CUTOUT.

 S 864-007

 (3)
Open these circuit breakers and attach DO-NOT-CLOSE tags:

 (a)  
P6 Circuit Breaker Panel
 1) STABILIZER TRIM ACTUATOR

 S 864-003
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A 737-300/400/500MAINTENANCE MANUAL
 (b)  P18 Circuit Breaker Panel 1) AUTOPILOT STABILIZER TRIM SERVO
 (4)  S 864-004Use the stabilizer trim wheel on the control stand to set the horizontal stabilizer to zero degrees (3 units of trim).
 (5)  S 494-008Install the trim lock assembly on the stabilizer trim wheel (Fig. 401): 

Horizontal Stabilizer Trim Lock Installation
Figure 401

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 (a)  
Turn the trim wheel to put the handle at the top of the wheel.

 (b)  
Adjust the height of the trim lock to set the trim wheel handle tightly in the bottom of the yoke.

 (c)  
Install the pin through the yoke and install the safety pin.

 S 014-006
 (6)  
Remove the access panels 3801, 3802, and the access plate of the pushrod bolt in the tail cone.

 S 014-005

 (7)  
Remove the gap covers of the front and rear spar of the stabilizer outboard section.

 NOTE: The gap cover of the rear spar makes the aft
____
 stabilizer-to-body sliding seal.

 S 034-012
 (8)  
If you install a different stabilizer, remove the stabilizer-to-body seals and the other gap covers.

 S 034-013

 (9)  
Remove the upper and lower bracket assemblies.

 S 034-014

 (10)
 Remove the inspar No. 5 bracket assembly (Fig. 402).

 S 034-018

 (11)
 Disengage the forward stabilizer-to-body sliding seal (Fig. 402), at the stabilizer front spar:

 (a)  
Disconnect the pin at the link-to-pedestal assembly (four locations).

 (b)  
Move the upper and lower seal plates to their farthest positions.

 F.
Remove the Horizontal Stabilizer

 S 034-037
 (1)  Disconnect the elevator control pushrod from the elevator
　
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