(266.7 +/- 2.5 mm).
NOTE: If it is necessary, turn the transmitter to get the
____ correct voltage and control rod length at the same time.
(e) Lock the control rod with wire and do this check:
1) Make sure the output voltage stays at 0 |0.050 volts ac RMS.
S 095-023
(3)
Do these steps to disconnect the breakout box equipment:
(a)
Disconnect the power supply, breakout box, and the -19 cable assembly from the transmitter connector.
(b)
Connect the airplane connector to the position transmitter.
S 865-024
(4)
Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P11 panel:
(a)
11J16, RUDDER POS
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
S 715-025
(5)
Do the operational test procedure for the rudder position indicating system.
G.
Rudder Position Transmitter - Adjustment (Procedure 2)
S 495-026
(1)
Do these steps to connect the breakout box equipment:
(a)
Disconnect airplane electrical connector D1742 from the position transmitter.
(b)
Connect the breakout box and the -19 cable assembly to the transmitter.
(c)
Connect the breakout box and the -18 cable assembly to the airplane connector D1742.
(d)
Connect a digital voltmeter (DVM) to the breakout box at pins 4 (SIG HI) and 5 (SIG LO).
S 865-027
(2)
Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P11 panel:
(a)
11J16, RUDDER POS
S 825-028
(3)
Do these steps to adjust the position transmitter:
(a)
Loosen the bolts that hold the position transmitter in its bracket.
(b)
Turn the transmitter in its bracket until the output voltage (shown on the DVM) is 0 |0.080 volts ac RMS.
(c)
Tighten the bolts that hold the transmitter and do this check:
1) Make sure the output voltage stays at 0 |0.080 volts ac RMS.
(d)
Adjust the control rod until the output voltage is 0 |0.050 volts ac RMS and do this check: 1) Make sure the control rod length is 10.50 |0.10 inches
(266.7 +/- 0.7 mm).
NOTE: If it is necessary, turn the transmitter to get the
____ correct voltage and control rod length at the same time.
(e) Lock the control rod with wire and do this check:
1) Make sure the output voltage stays at 0 |0.050 volts ac RMS.
S 865-029
(4)
Open this circuit breaker on the P11 panel and attach a DO-NOT-CLOSE tag:
(a)
11J16, RUDDER POS
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-28-00
ALL ú ú 01 Page 509 ú Jan 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
S 095-030
(5)
Do these steps to disconnect the breakout box equipment:
(a)
Disconnect the breakout box and the -18 cable assembly from the airplane connector.
(b)
Disconnect the breakout box and the -19 cable assembly from the position transmitter.
(c)
Connect the airplane connector to the position transmitter.
S 865-032
(6)
Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P11 panel:
(a)
11J16, RUDDER POS
S 715-031
(7)
Do the operational test procedure for the rudder position indicating system.
H.
Rudder Position Transmitter - Adjustment (Procedure 3)
