(1)  
Drill bits - 0.187/0.190 - 0.263/0.266

 (2)  
Drill centering guide

 (3)  
Lockbolt Installation Tool

 C.
Consumable Materials

 (1)  
D00633 Grease - BMS 3-33 (Recommended)

 (2)  
D00013 Grease - MIL-G-23827 (Alternate)

 D.
References

 (1)  
12-31-41/201, Body Section 48 Access Doors and Panels

 (2)  
27-31-00/201, Elevator and Tab Control System

 (3)  
27-31-00/501, Elevator and Tab Control System

 (4)  
53-53-00/401, Tail Cone

 E.
Access

 (1)  
Location Zone
 701 Area 1 Tail Compartment
 711 Elevator and Tab, LH
 712 Elevator and Tab, RH

 (2)  
Access Panels
 3701 Stabilizer Trim Access Door

 F.
Procedure

 (1)  
Apply a layer of grease to all the bolts.

 S 644-028
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-31-71
 ALL  ú ú 02 Page 406 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 424-010
 (2)  
Install the torque tube:

 (a)  
Hold the torque tube in its position.

 (b)  
Install the second bolts (14) from the forward end in the left and right side plate assemblies. 1) Install the left bolt with the bolt head inboard and the

 right bolt with the bolt head outboard.

 (c)  
Install the forward quadrant mounting bolts (9) and the bushings.

 NOTE: Install the left and right bolts with the bolt heads
____
 inboard.

 1)  Tighten the nut to 90-105 pound-inches plus the run-on nut of 30-35 pound-inches.
 CAUTION: EXAMINE THE INNER AND THE OUTER RODS/BOLTS FOR DAMAGE
_______ BEFORE YOU INSTALL THE ROD END BOLTS. DAMAGE TO EQUIPMENT COULD OCCUR.
 (d)  Install the mounting bolts and the bushings of the reaction link (8).
 NOTE: Install the left bolt with the bolt head inboard and
____ the right bolt with the bolt head outboard.
 (e)  Install the mounting bolts and the bushings of the power unit (7).
 NOTE: Install the left bolt with the bolt head inboard and
____ the right bolt with the bolt head outboard.
 1)  Tighten the nut to 550-600 pound-inches plus the run-on nut of 225-250 pound-inches.
 (f)  
Drill the diameter of the four 0.247/0.250 inch holes in the center bearing retainer ring (11) to 0.263/0.266 inch.

 (g)  
Use the drill centering guide adapter to make sure the holes are not out tolerance.

 (h)  
Attach the retaining ring to the bracket with BACB30CU8-8 lockbolts or BACB30FP8-8 hi-lock fasteners.

 (i)  
Connect the input rods of the power control units (10).

 1)  Tighten the outer bolt to 45-60 pound-inches and the nut to 15-20 pound-inches and make sure that the bolt head points left.

 (j)
Connect the output rod of the feel and centering unit (1).

 1)  Tighten the outer bolt to 45-60 pound-inches and the nut to 15-20 pound-inches.

 (k)  
Connect the autopilot sensor rod (13) at the aft end.

 (l)  
Connect the autopilot actuator rod (12) at the lower rod end.

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 27-31-71
 ALL  ú ú 03 Page 407 ú Mar 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 (m)  Connect the EAL, EBL, EAR, and EBR control cables to the quadrants on the torque tube.
 S 434-018
 (3)  If it is applicable, install the tail cone (Ref 53-53-00/401).
 S 864-019
 (4)  Use the trammel bar to set the B dimension to 41.57 |0.01 inches.
 S 864-020
 (5)  Do this task: "Null Procedure - Mach Trim Actuator" (Ref 27-31-00/201).
 S 824-021
　
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