S 795-021
(7)
Make sure there is no leakage at the hydraulic connections for the standby rudder actuator.
D.
Deadband Test for the Standby Rudder Actuator
S 865-022
(1)
Push the rudder with your hands to the right side, then slowly remove your hands.
(a)
Move your hands away from the rudder.
(b)
Measure the position of the rudder.
NOTE: Measure from the lower corner of the rudder trailing
____ edge to a point on the rudder index plate.
S 865-024
(2)
Push the rudder with your hands to the left side, then slowly remove your hands.
(a)
Move your hands away from the rudder.
(b)
Measure the position of the rudder.
NOTE: Measure from the lower corner of the rudder trailing
____ edge to the same point on the rudder index plate.
S 735-026
(3)
Calculate the difference between the two dimensions you measured.
(a)
If the difference in the rudder position is more than 0.2 inch, adjust the input rod of the standby rudder actuator.
E.
Rudder Travel Test (Fig. 502).
S 735-027
(1)
Move the captain's left rudder pedal fully forward.
(a)
Make sure the rudder moved 21.82 |0.80 inches.
S 735-028
(2)
Move the captain's right rudder pedal fully forward.
(a)
Make sure the rudder moved 21.82 |0.80 inches.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
F. Put the Airplane Back to Its Usual Condition
S 865-029
(1)
Remove hydraulic power if it is not necessary (Ref 27-21-00/201).
S 445-031
(2)
Remove the lockout pin from the nose gear steering
(Ref 32-00-01/201).
S 415-030
(3)
Close the access doors and install the access panels.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
STANDBY RUDDER ACTUATOR - INSPECTION/CHECK
__________________________________________
1. General_______
A. This procedure has these tasks:
(1)
Standby Rudder Actuator Wear Limits Check
(2)
Standby Rudder Actuator Visual Inspection.
TASK 27-21-24-226-007
2. Standby Rudder Actuator Wear Limits (Fig. 601)___________________________________
A. Standard Tools and Equipment
(1)
Micrometer
(2)
Vernier Caliper
(3)
Feeler gages
B.
References
(1)
27-21-24/401, Standby Rudder Actuator
C.
Access
(1)
Location Zones
706 Vertical Fin
708 Rudder
(2)
Access Panels
9515L TE Access Panel - Rudder
9528R Access Door - Rudder
9529R Access Door - Rudder
9555R Cover - Rudder Nose
9556L Cover - Rudder Nose
D.
Procedure
S 226-013
(1)
Measure the two clearances, X1 and X2, shown in Fig. 601, View B.
(a)
Calculate the difference in clearance.
NOTE: X1-X2 = Difference in clearance.
____
(b) If the difference in clearance is less than 0.015 inch, replace the rod bearing housing.
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27-21-24 中國航空網 m.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：737-300 400 500 AMM 飛機維護手冊 飛行操縱 FLIGHT CONTROLS 2(44)
