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 WARNING: LOCK THE NOSE GEAR STEERING WHEN ANY RUDDER MOVEMENT IS
_______ SCHEDULED. THIS MUST BE DONE TO PREVENT INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (1)  
Move the towing lever on the nose gear metering valve module to the TOW position.

 S 862-022

 (2)  
Install the nose gear steering valve lockpin (Ref 09-11-00).

 S 862-023

 (3)  
Supply electrical power (Ref 24-22-00).

 S 862-024

 (4)  
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:

 (a)  
11C12, STAB TRIM SHUTOFF LEFT

 (b)  
11C13, STAB TRIM SHUTOFF RIGHT

 (c)  
11E17, FLT CONT COMPUTER POWER LEFT

 (d)  
11E18, FLT CONT COMPUTER SERVO LEFT

 (e)  
11E20, FLIGHT CONT CMPTR PWR CENTER

 (f)  
11E21, FLIGHT CONT CMPTR SERVO CENTER

 (g)  
11E35, FLT CONT CMPTR PWR RIGHT

 (h)  
11E36, FLT CONT CMPTR SERVO RIGHT

 (i)  
11H17, FLT CONT SHUTOFF TAIL LEFT

 (j)  
11H18, FLT CONT SHUTOFF TAIL CENTER

 (k)  
11H28, FLT CONT SHUTOFF TAIL RIGHT

 

 S 862-025
 (5)  Set the L, C, and R FLT CONTROL SHUTOFF switches on the P61 panel to ON.
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757 MAINTENANCE MANUAL
 S 862-026
 (6)  Set the STAB TRIM switches on the P10 panel to NORMAL.
 S 862-027
 WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES WHEN
_______ HYDRAULIC POWER IS SUPPLIED. AILERONS, ELEVATORS, RUDDER, FLAPS, SLATS, SPOILERS, AND STABILIZER ARE FULLY POWERED SURFACES. INJURY OR DAMAGE CAN OCCUR WHEN HYDRAULIC POWER IS SUPPLIED.
 (7)  
Pressurize the left, center, and right hydraulic systems
 (Ref 29-11-00).

 S 982-029

 (8)  
Manually operate the rudder system three or more times.

 S 722-030

 (9)  
Do MCDP Ground Test 09 - SERVO RUD (Ref 22-00-02).

 S 862-041

 (10)
 Set the L, C, or R FLT CONTROL SHUTOFF switches to OFF and attach DO-NOT-OPERATE tags.

 S 862-043

 (11)
 Set the L and R STAB TRIM switches to CUTOUT and attach
 DO-NOT-OPERATE tags.

 S 212-023

 (12)
 Examine the ARGS valves for hydraulic leakage and correct as necessary.

 G. Put the Airplane Back to Its Usual Condition
 S 032-032
 (1)  
Remove the DO-NOT-OPERATE tags.

 (2)  
Set the L, C, and R FLT CONTROL SHUTOFF switches to ON.

 (3)  
Set the L and C STAB TRIM switches to NORMAL.

 S 862-033
 S 862-034
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757 MAINTENANCE MANUAL
 S 212-035 WARNING: STAY AWAY FROM THE NOSE GEAR WHEELS WHEN THE LOCK PIN IS REMOVED.
_______ THE NOSE WHEELS CAN MOVE QUICKLY TO THE CENTERED POSITION. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (4)  
Make sure the nose gear wheels are centered and remove the nose gear steering valve lock pin (Ref 09-11-00).

 S 862-036

 (5)  
Set the MCDP to off.
 S 412-037

 (6)  
Install the access panel 324AL (Ref 06-42-00).
 S 862-038

 (7)  
Remove hydraulic power if it is not necessary (Ref 29-11-00). S 862-039

 (8)  
Remove electrical power if it is not necessary (Ref 24-22-00).

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