B.
Access
(1)
Location Zones
211/212 Control Cabin
C.
Prepare for the Removal
S 862-031
(1)
Supply electrical power(Ref 24-22-00).
S 862-032
(2)
Move the FLT CONTROL SHUTOFF switches L, R, C on the right side panel, P61, to OFF. Attach DO-NOT-OPERATE tags and make sure the switch position lights come on.
S 862-033
(3)
Open these circuit breakers on the overhead circuit breaker panel, P11, and attach DO-NOT-CLOSE tags:
(a)
11C10, RUD TRIM
(b)
11H17, FLT CONT SHUTOFF TAIL LEFT
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757 MAINTENANCE MANUAL
(c)
11H18, FLT CONT SHUTOFF TAIL CTR
(d)
11H28, FLT CONT SHUTOFF TAIL RIGHT
(e)
11J17, RUDDER TRIM POS
D.
Remove the Rudder Trim Indicator
S 032-034
(1)
Turn the two fasteners that attach the cover of the rudder trim indicator to the face of the indicator.
S 032-035
(2)
Turn the two fasteners that connect the rudder trim indicator to the trim module in the aft electronic control panel, P8.
S 022-036
(3)
Lift the indicator from the trim module and do these steps:
(a)
Disconnect the electrical connector from the trim indicator.
(b)
Remove the trim indicator from the module.
TASK 27-21-23-402-037
5. Rudder Trim Indicator - Installation____________________________________
A. References
(1)
24-22-00/201, Electrical Power - Control
B.
Access
(1)
Location Zones
211/212 Control Cabin
C.
Rudder Trim Indicator - Installation
S 432-038
(1)
Connect the electrical connector to the bottom of the rudder trim indicator.
S 422-039
(2)
Put the rudder trim indicator in it correct position and do these steps:
(a)
Turn the two fasteners that connect the rudder trim indicator to the trim module.
(b)
Put the cover of the rudder trim indicator in its position and attach it with the two fasteners.
S 862-040
(3)
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the overhead circuit breaker panel, P11:
(a)
11C10, RUD TRIM
(b)
11H17, FLT CONT CHUTOFF TAIL LEFT
(c)
11H18, FLT CONT SHUTOFF TAIL CTR
(d)
11H28, FLT CONT SHUTOFF TAIL RIGHT
(e)
11J17, RUDDER TRIM POS
S 862-041
(4) Remove the DO-NOT-OPERATE tags and move the FLT CONTROL SHUTOFF L, R, and C switches on the right side panel, P61, to ON.
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S 212-042
(5)
Turn the rudder trim switch on the aft electronic control panel, P8, clockwise. Hold it there until the rudder movement stops and do these checks:
(a)
Make sure the rudder trim indicator shows at least 15.2 units of trim in the correct direction.
(b)
Make sure the rudder positi on indicator moves approximately two-thirds of full scale (approximately 22 degrees).
S 212-043
(6)
Turn the rudder trim switch on the aft electronic control panel, P8, counterclockwise. Hold it there until the rudder movement stops and do these checks:
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