Thrust Reverser Sync Lock Inspection
Figure 601
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
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(3)
If you find one or more of these unserviceable conditions, replace the sync lock gasket.
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(4)
Do these steps to install the serviceable sync lock gasket:
(a)
Clean all the contamination and hydraulic fluid from the sync lock gasket if it is necessary.
(b)
Put the sync lock gasket in the correct position on the lower actuator.
NOTE: The ends of the sync lock gasket must not make an
____ overlap. You can cut away the unwanted gasket material.
(c) Put the sync lock bracket in the correct position on the lower actuator.
NOTE: Do not tighten the two bolts for the sync lock bracket
____
at this time.
(d) Install the band clamp around the lower actuator and the sync lock bracket.
NOTE: Make sure the tang on the sync lock bracket is between
____ the sync lock gasket and the band clamp.
(e)
After you make sure the applicable components are correctly aligned, tighten the band clamp nut to 30-35 pound-inches (3.4-4.0 newton-meters).
(f)
Fully tighten the two attachment bolts for the sync lock bracket.
(g)
Install the L(R) electrical connector, DV170(DV171), on the applicable receptacle on the L(R) sync lock, V170(V171).
E. Put the Airplane Back to Its Usual Condition.
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(1)
Close the applicable fan cowl panels (AMM 71-11-04/201).
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(2)
For the applicable engine, remove the DO-NOT-CLOSE tags and close these circuit breakers:
(a) On the Main Power Distribution Panel, P6:
1) 6F13 ENG 1 T/R CONT
2) 6E13 ENG 2 T/R CONT
3) 6D13 ENG 3 T/R CONT
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4) 5) 6) 7) 8) 6C13 ENG 4 T/R CONT6F11 ENG 1 T/R LOCK CONT6E11 ENG 2 T/R LOCK CONT6D11 ENG 3 T/R LOCK CONT6C11 ENG 4 T/R LOCK CONT
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(3) Do the activation procedure for the thrust reverser (AMM 78-31-00/201).
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(4) Do the operational test of the thrust reverser system (AMM 78-31-00/501).
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THRUST REVERSER RETURN FILTER MODULE - REMOVAL/INSTALLATION
___________________________________________________________
1. General
_______
A. This procedure has two tasks. The first task removes the Return Filter
for the thrust reverser. The second task installs the Return Filter for
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本文链接地址：747-400 AMM 飞机维护手册 EXHAUST 2(92)
