(a)  
Move the test switch for the right RRCM to TEST and do these checks: 1) Make sure the IN TEST light stays on for a maximum of 18

 seconds.
 2)  After 30 seconds, make sure all the RRCM faultballs are black. a) If the faultballs are not black, do the RRCM BITE
 procedure (FIM 27-09-00/101, Fig. 106B).
 (b)  Move the test switch on the right RRCM to NORMAL and do these checks: 1) Make sure the two IN TEST lights on the RRCMs stay on for a
 maximum of 18 seconds.
 2)  After 30 seconds, make sure all the RRCM fault balls are black. a) If the faultballs are not black, do the RRCM BITE
 procedure (FIM 27-09-00/101, Fig. 106B).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
 G. Rudder Trim - Test
 NOTE: Before you do the test, make sure the airplane is stable at
____ ambient air temperature |10.0 degrees F (|5.5 degrees C) for at least one hour.
 S 865-018
 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 TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR WHEN HYDRAULIC POWER IS SUPPLIED.
 (1)  
Supply pressure to the left, right, and center hydraulic systems (AMM 29-11-00/201).

 S 865-176

 (2)  
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:

 (a)  
11H17, FLT CONT SHUTOFF TAIL LEFT

 (b)  
11H18, FLT CONT SHUTOFF TAIL CTR

 (c)  
11H28, FLT CONT SHUTOFF TAIL RIGHT

 S 865-177
 (3)  
Remove the DO-NOT-OPERATE tags and move the FLT CONTROL SHUTOFF L, R, and C switches on the P61 panel to ON.

 S 215-178

 (4)
Make sure the RRCM test switches are in their NORMAL positions.

 S 215-179

 (5)  
Turn the rudder trim switch until the rudder is in its neutral position and do this check:

 (a)  
Make sure the rudder trim indicator on the P8 panel shows zero units of rudder trim (use the indicator line width for tolerance).

 (b)  
Make sure the rudder position indicator is in its center position (use the indicator line width for tolerance).

 S 225-180
 (6)  
Turn the rudder trim switch in a clockwise direction until the rudder movement stops. Do these checks:

 (a)
Make sure the rudder trailing edge moves to the right

 29.78 |2.65 inches (756 +/- 67 mm) (21.9 |1.9 degrees).
 (b)  Make sure the rudder trim indicator shows at least 15.2 units of nose right trim.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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A

757 MAINTENANCE MANUAL
 S 225-181
 (7)  
Turn the rudder trim switch in a counterclockwise direction until the rudder movement stops. Do these checks:

 (a)  
Make sure the rudder trailing edge moves to the left 29.78 |2.65 inches (756 +/- 67 mm) (21.9 |1.9 degrees).

 (b)  
Make sure the rudder trim indicator shows at least 15.2 units of nose left trim.

 S 865-182
 (8)  
Move the rudder trim switch back to its neutral position.

 H.
Captain's Rudder Pedal Travel - Test

 S 825-183
 (1)
Do these steps to put the rudder pedals in their neutral positions:

 (a)  
Turn the adjustment crank for the captain's rudder pedals clockwise until the pedals are in their full forward positions.

 (b)  
Turn the adjustment crank counterclockwise 3.6 turns and put it in the nearest detent position.

 S 215-184
 (2)  
Move the captain's left pedal to its full forward position and do this check:

 (a)  
Make sure the aft quadrant touches its full travel stops.
　
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