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SUBTASK 27-21-00-820-013-002
(12) Do this adjustment to the upper control rod [36]:
(a) Loosen the clamp nut [35] on the upper control rod [36] until you can rotate the sleeve [37].
(b) Rotate the sleeve [37] until the rudder trailing edge is within the center of the index plate.
1) Make sure that the rudder trailing edge does not go beyond the center of the index
plate on to the right side. If this happens, start the adjustment again with the rudder
trailing edge positioned to the left of the index plate.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
GUN 006-099, 101-122; GUN 001-005, 155-157, 201-999
POST SB 737-27-1253
27-21-00
Config 2
Page 529
Oct 10/2007
D633A101-GUN
BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
(c) Tighten the clamp nut [35] on the upper control rod [36].
NOTE: Do not torque the clamp nut [35] at this time.
(d) Make sure that the rudder trailing edge is still within the center of the index plate.
SUBTASK 27-21-00-860-087-002
(13) Set the FLT CONTROL A switch to OFF and set the FLT CONTROL B switch to ON.
SUBTASK 27-21-00-820-015-002
(14) Do this adjustment to the lower control rod [36]:
(a) Loosen the clamp nut [35] on the lower control rod [36] until you can rotate the sleeve [37].
(b) Rotate the sleeve [37] until the rudder trailing edge is within the center of the index plate.
1) Make sure that the rudder trailing edge does not go beyond the center of the index
plate on to the right side. If this happens, start the adjustment again with the rudder
trailing edge positioned to the left of the index plate.
(c) Tighten the clamp nut [35] on the lower control rod [36].
NOTE: Do not torque the clamp nut [35] at this time.
(d) Make sure that the rudder trailing edge is still within the center of the index plate.
SUBTASK 27-21-00-820-017-002
(15) Set the FLT CONTROL A switch to ON.
(a) Make sure that the rudder trailing edge is still within the center of the index plate.
SUBTASK 27-21-00-820-018-002
(16) Set the FLT CONTROL B switch to OFF.
(a) Make sure that the rudder trailing edge is still within the center of the index plate.
SUBTASK 27-21-00-820-019-002
(17) Set the FLT CONTROL A switch to OFF and FLT CONTROL B switch to ON.
(a) Make sure that the rudder trailing edge is still within the center of the index plate.
SUBTASK 27-21-00-860-155-002
(18) Set the FLT CONTROL A switch to ON.
SUBTASK 27-21-00-420-001-002
(19) Tighten the clamp nuts [35] on the upper and lower control rods [36] to 100 in-lb (11.3 Nm) --
150 in-lb (16.9 Nm).
SUBTASK 27-21-00-860-159-002
(20) Tap on the rudder pedals lightly to put the rudder pedals to the neutral position.
SUBTASK 27-21-00-860-089-002
(21) Remove the safety tag and close this circuit breaker:
F/O Electrical System Panel, P6-2
Row Col Number Name
D 15 C01628 FLIGHT CONTROL FORCE FIGHT MONITOR
SUBTASK 27-21-00-700-001-002
(22) Verify voltage between pin 18 and pin 20 of connector D10064 on the EE shelf is between 4.38
VDC to 5.62 VDC.
(a) If the voltage measured is not between 4.38 VDC to 5.62 VDC, adjust the control rods [36] for
the Main Rudder PCU.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
GUN 006-099, 101-122; GUN 001-005, 155-157, 201-999
POST SB 737-27-1253
27-21-00
Config 2
Page 530
Oct 10/2007
D633A101-GUN
BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
SUBTASK 27-21-00-820-020-002
(23) Make sure that you can install and remove rig pin R-5 freely.
H. Put the Airplane Back To Its Usual Condition
SUBTASK 27-21-00-820-021-002
(1) Do a check of the standby rudder PCU. If it is necessary, do this task: Control Rod for Standby
Rudder Power Control Unit Adjustment, TASK 27-21-00-820-810-002.
SUBTASK 27-21-00-860-090-002
(2) Do this task: Put the Rudder Hydraulic systems A, B, and Standby Back to the Condition
Before the Pressurization, TASK 27-21-00-840-801.
SUBTASK 27-21-00-410-012-002
(3) Close these access panels:
Number Name/Location
324CL Vertical Fin, Access
324DL Trailing Edge Access
SUBTASK 27-21-00-860-091-002
(4) Do this task: Remove Electrical Power, TASK 24-22-00-860-812.
------------------------- END OF TASK ---------------------------
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
GUN 006-099, 101-122; GUN 001-005, 155-157, 201-999
POST SB 737-27-1253
27-21-00
Config 2
Page 531
Oct 10/2007
D633A101-GUN
BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
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737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL飞机维护手册2(60)
