TASK 27-31-71-004-001
 2.  Elevator Input Torque Tube Removal__________________________________
 A.  Special Tools and Equipment
 (1)  
Rig Pins (E-1, E-4 and E-5) - 0.309 +0.002/-0.000 inch diameter, 6.7 |0.25 inches long (MS20392-4)

 (2)  
Rig Pins (E-2 and E-3) - 0.4941 |0.0004 inch diameter, 4.5 |0.25 inches long (MS20392-7)

 NOTE: The rig pins are part of the kit F70207-69, -78 or -83.
____
 (3)  
F80055-1 - Trammel Bar

 B.  
Standard Tools and Equipment

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

 (2)  
Drill centering guide

 C.  
References

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

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

 (3)  
53-53-00/401, Tail Cone

 D.  
Access

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

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 27-31-71
 ALL  ú ú 02 Page 401 ú Jul 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
3. QUADRANT MOUNTING2. QUADRANT
6. AFT QUADRANT  BRACKET SUPPORT BRACKET
ASSEMBLY CONTROL
SEEC D CABLE EBL
14. MOUNTING BOLT
9. QUADRANT MOUNTING BOLT
CONTROL 5. CABLE
CABLE EAL RETAINER
SEE A 4. BEARING
 RETAINER
7.
 MOUNTING BOLT OF

8.
 MOUNTING BOLT OF

 THE POWER UNIT
THE REACTION LINK  SEE B
11. LOCKBOLTS
13. AUTOPILOT SENSOR RODFWDCONTROL CABLE EAR
11. LOCKBOLTS 
5. CABLE RETAINER 
CONTROL CABLE 
6. AFT CONTROL
 QUADRANT 
FWD 
A

12. AUTOPILOT
 ACTUATOR ROD

1. OUTPUT ROD OF THE
 FEEL AND CENTERING
UNIT

CONTROL CABLE EBR
10. POWER UNIT INPUT ROD (2 LOCATIONS)
3. QUADRANT MOUNTING BRACKET
RIG PIN
2. QUADRANT SUPPORT BRACKET
4. BEARING RETAINER
35` |2`
B
Elevator Input Torque Tube Installation
Figure 401 (Sheet 1)

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 27-31-71
 ALL  ú ú 01 Page 402 ú Mar 15/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
9. QUADRANT MOUNTING BOLTS
14. MOUNTING BOLT
10. INPUT ROD OF
15. BUSHING (3 LOCATIONS)
8. MOUNTING BOLTS OF THE REACTION LINK
7. MOUNTING BOLTS OF THE POWER UNIT
15. BUSHING (3 LOCATIONS)
10. INPUT ROD OF THE POWER CONTROL INPUT
LEFT END OF TORQUE TUBE
C
THE POWER CONTROL INPUT
9. QUADRANT MOUNTING BOLTS
14. MOUNTING BOLT
8. MOUNTING BOLTS OF THE REACTION LINK
7. MOUNTING BOLTS OF THE POWER UNIT
TEMP  RIGGING LOAD 
`F  LBS |10 LBS 
+110  138 
+90  129 
+70  120 
+50  112 
+30  104
+10  95
-10  87
-30  79
-40  73 

CABLE CODE  FUNCTION 
CAPTAIN'S 
EAL  ELEVATOR 
DOWN 
CAPTAIN'S 
EBL  ELEVATOR 
UP 
FIRST 
EAR  OFFICER'S ELEVATOR 
DOWN 
FIRST 
EBR  OFFICER'S ELEVATOR 
UP 

RIGHT END OF TORQUE TUBE D
NOTE:
CABLE TENSION MUST BE IN |10 POUNDS OF THE TABLE VALUES WHEN YOU ADJUST THE SYSTEM. ADJUST THE SYSTEM WHEN THE CABLE TENSION CHANGES MORE THAN |15 POUNDS FROM THE TABLE VALUES.
TO GET THAT CORRECT CABLE TENSION, LET AIRFRAME TEMPERATURE BECOME STABLE FOR A MINIMUM OF ONE HOUR AT CONSTANT AMBIENT TEMPERATURE | 5`.
Elevator Input Torque Tube Installation
Figure 401 (Sheet 2)

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