(b)
Set FLT CONTROL switches A and B to ON positions.
(c)
Move the rudder pedals through 5 cycles of full travel.
(d)
Verify that the STBY RUD ON light on the P5-3 panel is not illuminated.
(e)
Open these circuit breakers on the P6 panel:
1) SHUTOFF VALVES - FLT CONT (2 locations).
(f)
Set FLT CONTROL B switch to STBY RUD position.
(g)
Verify that the STBY RUD ON light on the P5-3 panel is illuminated.
NOTE: The standby hydraulic pump will activate.
(h)
Close these circuit breakers on the P6 panel:
1) SHUTOFF VALVES - FLT CONT (2 locations).
(i)
Open this circuit breaker on the P6 panel:
1) SHUTOFF VALVES - STBY RUD.
(j)
Remove access panels 9512 (AMM 12-31-51/201) to get access to the rudder main PCU control rods.
(k)
Set FLT CONTROL B switch to ON position.
(l)
Do the Force Fight Monitor Test:
NOTE: FOLLOW THE STEP IN THIS TASK IN THE ORDER THAT THEY ARE WRITTEN. FAILURE TO DO SO CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
1) Verify that the STBY RUD ON and LOW PRESS lights on the P5-3 panel are
not illuminated. 2) Make sure that the rudder and rudder pedals are in the neutral position. 3) Manually hold the rudder main PCU upper control rod at location A (Fig. 507)
and pull forward (or aft) with a force of approximately 30 lbs. Hold the control in this position for at least 7 seconds then release.
500
27-21-1 Page 528 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. May 01/03
W35000
500 Main Rudder PCU Force Fight Monitor Test
May 01/03 Figure 507 27-21-1
Page 529
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
4) Verify that the STBY RUD ON and LOW PRESS lights on the P5-3 panel are illuminated.
NOTE: The standby hydraulic pump will not activate.
5) Close this circuit breaker on the P6 panel:
1) SHUTOFF VALVES -STBY RUD.
6) Verify that the LOW PRESS light on the P5-3 panel is not illuminated.
NOTE: The standby hydraulic pump will activate.
7) Open this circuit breaker on the P6 panel for at least 2 seconds then close: a) FORCE FIGHT MONITOR
8) Verify that the STBY RUD ON light on the P5-3 panel is not illuminated.
9) Open this circuit breaker on the P6 panel:
a) SHUTOFF VALVES -STBY RUD.
10) Make sure the rudder and rudder pedals are in the neutral position.
11) Manually hold the rudder main PCU upper control rod at location A (Fig. 507) and pull forward (or aft) with a force of approximately 30 lbs. Hold the control in this position for at least 7 seconds then release.
12) Verify that the STBY RUD ON and LOW PRESS lights on the P5-3 panel are illuminated.
NOTE: The standby hydraulic pump will not activate.
13) Close this circuit breaker on the P6 panel:
1) SHUTOFF VALVES -STBY RUD.
14) Verify that the LOW PRESS light on the P5-3 panel is not illuminated.
15) Open this circuit breaker on the P6 panel for at least 2 seconds then close: a) FORCE FIGHT MONITOR
16) Verify that the STBY RUD ON light on the P5-3 panel is not illuminated.
NOTE: The standby hydraulic pump will not activate.
(12)
Connect pushrod to nose wheel steering, if disconnected.
(13)
Restore airplane to normal hydraulic configuration (AMM 27-21-0/201).
(14)
Close all access doors and panels that you removed.
500
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May 01/03
RUDDER - REMOVAL/INSTALLATION
EFFECTIVITY
Airplanes with Aluminum/Fiberglass Rudder
1. General
A. For interchangeability of graphite/composite rudder with aluminum/fiberglass rudder, refer to
AMM 27-09-800/201 1A. Equipment and Materials
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