S 864-030
 (5)  
To test the first officer's control column, remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:

 (a)  
INTERPHONE circuit-breakers:
 1) 11C26

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757
MAINTENANCE MANUAL

 2) 11G30
 S 864-031
 (6)  
Put the L, R, and C FLT CONTROL SHUTOFF switches on the sidewall panel, P61, to ON.

 S 714-032

 (7)  
Make sure that the stabilizer trim control wheel switches operate correctly (Ref 27-41-01/401).

 S 714-033

 (8)  
Make sure that the autopilot button operates correctly
 (Ref 22-11-03/401).

 S 714-034

 (9)  
Make sure that the control wheel Push-To-Talk (PTT) switch operates correctly (Ref 23-51-03/401).

 S 714-043

 (10)
 Do a test on the control column shaker, and make sure it operates correctly (Ref 27-32-05/401).

 H.
Put the Airplane Back to Its Usual Condition

 S 864-035
 (1)
Remove electrical power if it is not necessary (Ref 24-22-00).

 S 214-036

 (2)  
Make sure that rig pin E/ST6 is removed.

 (3)
Close the forward compartment access door, 113AL (Ref 06-41-00).

 S 414-038
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 CONTROL COLUMN - INSPECTION/CHECK
_________________________________
 1.  General_______
 A. This section contains a check for backlash in the control columns.
 TASK 27-31-10-716-015
 2.  Control Column Backlash Check_____________________________
 A. Equipment
 (1)  
Rig Pin E/ST6 - P/N B20003-21, part of Set
 B20003-XX (Ref 20-10-24)

 (2)  
Wood Block

 B.
References

 (1)  
06-41-00/201, Fuselage Access Doors and Panels

 (2)  
20-10-24/201, Rig Pins

 (3)  
24-22-00/201, Electrical Power - Control

 (4)  
29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems

 C.
Access

 (1)  
Location Zone
 211/212 Control Cabin

 D.
Prepare for the Control Column Backlash Check

 S 866-001
 (1)  
Supply electrical power (Ref 24-22-00).

 S 866-002

 (2)  
Make sure that the control column is at neutral.

 S 866-003

 (3)  
Remove the pressure from the left, right, and center hydraulic systems (Ref 29-11-00).

 S 866-004

 (4)  
Open these circuit breakers on the overhead panel, P11, and attach DO-NOT-CLOSE tags:

 (a)  
11C12, STAB TRIM SHUTOFF LEFT

 (b)  
11C13, STAB TRIM SHUTOFF RIGHT

 (c)  
11H17, FLT CONT SHUTOFF TAIL LEFT

 (d)  
11H18, FLT CONT SHUTOFF TAIL CENTER

 (e)  
11H28, FLT CONT SHUTOFF TAIL RIGHT

 S 016-005
 (5)
Open the forward compartment access door, 113AL (Ref 06-41-00).

 E.
Control Column Backlash Check (Fig. 601)

 (1)  
Install rig pin E/ST6.

 S 496-006
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