(b)
11H17, FLT CONT SHUTOFF TAIL LEFT
(c)
11H18, FLT CONT SHUTOFF TAIL CTR
(d)
11H28, FLT CONT SHUTOFF TAIL RIGHT
(e)
11J17, RUDDER TRIM POS
S 865-127
(3)
Move the FLT CONTROL SHUTOFF L, R, and C switches on the P61 panel to ON.
S 865-128
(4)
Move the test switch on the left RRCM to TEST. Stop for 30 seconds to let the ratio changer actuator extend.
NOTE: This puts the ratio changer actuator in its "high speed"
____ position.
S 215-129
(5)
Turn the rudder trim switch until rig pin R3 can be easily installed in the feel, centering, and trim mechanism and do these checks:
(a)
Make sure the rudder is in its neutral position.
(b)
Make sure the pointer for the rudder trim indicator is on the zero line.
S 825-130
(6)
Do these steps if the pointer is not on the zero line:
(a)
Turn the four panel fasteners one-quarter turn and remove the aileron and rudder trim module from the P8 panel.
NOTE: Do not remove the electrical connectors.
____
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757 MAINTENANCE MANUAL
CAUTION: DO NOT TURN THE RUDDER TRIM SWITCH DURING THE ADJUSTMENT.
_______
(b)
Turn the adjustment screw (get access through the hole in the side of the rudder trim indicator) until the pointer is on the zero line.
(c)
Tighten the locknut for the adjustment screw.
(d)
Install the aileron and rudder trim module.
S 095-131
(7)
Remove rig pin R3.
S 825-132
(8)
Move the RRCM test switch back to its NORMAL position.
Q.
Put the Airplane Back to Its Usual Condition
S 095-309
WARNING: STAY AWAY FROM THE NOSE WHEELS WHEN THE LOCKPIN IS REMOVED.
_______ THE WHEELS CAN TURN TO THE CENTER POSITION QUICKLY, AND CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(1)
Make sure the nose wheels are in their center position and remove the towing lever lockpin from the nose gear (Fig. 503).
S 095-134
(2)
Remove rig pins E/ST6 and E/ST7 from the control column and the elevator feel unit.
S 415-135
(3)
Close access panels 324AL, 324BL, and 324CL (AMM 06-42-00/201).
S 415-136
(4)
Close access panel 113AL (AMM 06-41-00/201).
S 215-008
CAUTION: IF THE RRCM TEST SWITCH IS NOT MOVED TO "NORMAL", THE AMBER
_______ "RUDDER RATIO" LIGHT WILL COME ON. IF THIS LIGHT IS ON, THE AIRPLANE CANNOT BE DISPATCHED.
(5)
Make sure the RRCM test switches are in their NORMAL positions.
S 865-137
(6)
Remove the power from the left, right, and center hydraulic systems (AMM 29-11-00/201).
(7)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
S 865-138
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A
757 MAINTENANCE MANUAL
TASK 27-21-00-735-139
4. System Test - Rudder and Rudder Trim Control____________________________________________
A. Equipment
(1)
Rig Pins from Set B20003-XX (AMM 20-10-24/201):
(a)
E/ST6 - P/N B20003-21
(b)
E/ST7 - P/N B20003-21
(c)
R1A - P/N B20003-26
(d)
R1B - P/N B20003-26
(2)
Lockpin, Nose Gear Towing Lever - A09003-1
(3)
Adapter, Force Check, Rudder Pedal - F80212-19
(4)
Test Box - Rudder/Elevator PCU Monitor System - B27061-1
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