(h) Assemble the 2 piece cooling shroud onto the flange of the ignition lead, and secure with the shroud clamp.
1 Install the shroud clamp and TORQUE the shroud clamp to
_
between 35 and 40 lbf.in (0.39 and 0.45 m.daN). Make sure R there is sufficient clearance between the shroud clamp, the R cooling shroud and the fuel manifold and nozzles.
(i) Install the ignition lead in the hinged clamp nearest to the spark igniter. Turn the attachment bolt one-quarter turn to engage the locking feature, and continue to tighten until the ignition lead cannot be moved in the clamp.
Subtask 74-21-30-865-057
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1JH FOR 1000EM1 2JH1, 3JH1 FOR 1000EM2 2JH2, 3JH2
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E. Do an operational test of the ignition system (Ref. TASK 74-00-00-710-043).
5. Close-up
________ Subtask 74-21-30-410-057
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the thrust reverser doors (Ref. TASK 78-36-00-410-040): FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
Subtask 74-21-30-440-053
B. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041). Subtask 74-21-30-410-054
C. Close Access
(1) Close the fan cowl doors (Ref. TASK 71-13-00-410-040):
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
(2) Remove the warning notice(s).
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SPARK IGNITER - INSPECTION/CHECK
________________________________
TASK 74-21-30-200-002
Inspection/Check of the Spark Igniter
R WARNING : BE SURE EXCITERS ARE DE-ENERGIZED FOR AT LEAST 5 MINUTES BEFORE
_______ R WORKING ON THE IGNITION SYSTEM. VOLTAGE OUTPUT CAN BE DANGEROUS. DO R NOT TOUCH THE ELECTRICAL CONTACTS, EXCITERS MAY CONTAIN AN ELECTRICAL R CHARGE EVEN WHEN THEY ARE NOT ENERGIZED.
R
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
No specific warning notice
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
71-13-00-010-040 Opening of the Fan Cowl Doors 71-13-00-410-040 Closing of the Fan Cowl Doors 72-52-00-290-001 Borescope Inspection of the High-Pressure Turbine
Blades (from the rear)
74-21-30-000-002 Removal of the Spark Igniter
74-21-30-400-002 Installation of the Spark Igniter
78-30-00-081-041 Make the Thrust Reverser Serviceable after
Maintenance
78-30-00-481-041 Make the Thrust Reverser Unserviceable for
Maintenance
78-36-00-010-040 Opening of the Thrust Reverser Doors
78-36-00-410-040 Closing of the Thrust Reverser Doors
74-21-30-991-302 Fig. 601
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Subtask 74-21-30-941-053
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a warning notice to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure. 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM IGNITION 点火(38)
