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最近好像出现了俯仰力矩传感器故障,更换后,看PP中的操作步骤,很难理解,请问下各位师傅,校装时有几个步骤不是很明白,请各位师傅指导一下迷津,谢谢!
(8) Make these selections on the CDU:
(a) Push the INIT REF key on the CDU keyboard.
(b) <INDEX
(c) MAINT>
(d) <DFCS
(e) <EXTENDED MAINTENANCE
(f) <RIGGING
(g) <CWS
(h) <CONTINUE
(i) Do the instructions shown on the CDU.
(j) Push the LSK adjacent to < ITCH CWS.
(k) Do the instructions shown on the CDU.
NOTE: Do not apply force to the control column for tests 55.01, 55.02, and 55.03. The
control column must be at neutral for these tests
(10) Push the LSK adjacent to <CONTINUE to show test 55.02 PITCH CWS SENSOR RIGGING.
G. Pitch Force Transducer Adjustment
SUBTASK 22-11-92-020-002
(1) Move the adjustable rod end [7] of the pitch force transducer [1] out of the quadrant assembly
attachment point.
(a) Record the null voltage shown on the CDU.
(b) Make sure the null voltage shown on the CDU is less than 0.080 VAC.(这个电压值指的是哪个时候的电压,在哪看呢?)
NOTE: If the null voltage is more than 0.080 VAC, make sure no external force is applied
to the transducer.
(c) Remove the lockwire from the lockscrew on the captain’s (or first officer’s) pitch force
transducer [1].
(d) Loosen the locknut [8] so the fine adjust nut [12] can be turned.
(e) Adjust the pitch force transducer [1] so the adjustable rod end [7] can be installed.
NOTE: For coarse adjustment, turn the rod end. For a fine adjustment, turn the adjusting
nut.
(f) Loosely install the bolt [6], bushing [9], washer [10], and nut [11].
(g) Make sure the null voltage shown on the CDU is within 0.040 VAC of the value you recorded
earlier.(这句话是真的不理解,明明说在0.04以内,后面又来个你之前记录的值,是与之前的差值在0.04之内还是当前值小于0.04,还有就是在CDU上貌似只能显示到小数点后一位啊)
(h) Remove the bolt [15], washer [14], and nut [13].
NOTE: The bolt [15] is forward of the pitch force transducer on the captain’s side. The bolt
[15] is aft of the pitch force transducer on the first officer’s side.
(i) Install the rig pin E-2 (captain’s) or the rig pin E-3 (first officer’s) through the hole where the
bolt [15] was.
1) Make sure that the rig pin E-2 (captain’s) or the rig pin E-3 (first officer’s), from the rig
pin kit, SPL-1585, can be freely inserted.
SUBTASK 22-11-92-420-001
(2) Do these steps to install the adjustable rod end [7] of the pitch force transducer [1]:
(a) Tighten the nut [11] on the adjustable rod end [7].
(b) Tighten the locknut [8] on the fine adjustment nut [12] for the pitch force transducer [1].
(c) Install the lockwire for the locknut [8], fine adjustment nut [12], and on pitch force
transducer [1]. To install it, do this task: Lockwires Installation, TASK 20-10-44-400-801.
SUBTASK 22-11-92-840-001
(3) Do these steps:
(a) Remove the rig pins E-2 or E-3, from the rig pin kit, SPL-1585, from the quadrant
assemblies.
(b) Install the bolt [15], washer [14], and nut [13].
(c) Install the mass balance weight with the bolts, washers, nuts and lockwire. To install it, do
this task: Lockwires Installation, TASK 20-10-44-400-801.
(d) Remove the rig pins E-1 and E-5, from the rig pin kit, SPL-1585, from the quadrant
assemblies.
SUBTASK 22-11-92-710-001
(4) Do this check on the pitch force transducers [1]:
(a) Move the control columns lightly until the system is in the center.
(b) Make sure that the A and B voltages on the CDU display are less than 0.20 VAC.
(c) Make sure that the difference between the A and B voltages is less than 0.20 VAC.(这个0.20VAC又是什么的值?)
1) If the voltage is larger than 0.20 VAC, do a check on the control quadrant and bearings
of the structure. If they are satisfactory, then do a check of the cable tension for elevator
control cables EA and EB. To do the check, do this task: Elevator Control Cables EA
and EB and Pitch Force Transducers - Adjustment, TASK 27-31-00-820-801.
有没有人有这方面比较详细且比较形象的资料啊,能不能传一份呢?谢谢! |
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发表于 2011-11-26 23:03:12
