(b) Put a warning notice to tell persons not to energize the FADEC 1(2).
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Subtask 74-21-10-865-058
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU ENGINE/1 AND 2/IGN/SYS A 1JH A03
FOR 1000EM1 121VU ENGINE/IGN/ENG1/SYS B 3JH1 P41 121VU ENGINE/IGN/ENG1/SYS A BAT 2JH1 P39
FOR 1000EM2 121VU ENGINE/IGN/ENG2/SYS B 3JH2 P42 121VU ENGINE/IGN/ENG2/SYS A BAT 2JH2 P40
Subtask 74-21-10-010-056
C. Get Access
(1) Open the fan cowl doors: (Ref. TASK 71-13-00-010-040) FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
Subtask 74-21-10-040-053
D. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
Subtask 74-21-10-010-057
E. Open the thrust reverser doors: (Ref. TASK 78-36-00-010-040)
FOR 1000EM1
451AL, 452AR
FOR 1000EM2
461AL, 462AR
4. Procedure
_________
(Ref. Fig. 601/TASK 74-21-10-991-302)
R Subtask 74-21-10-020-059
R A. Disconnect the right ignition lead connector (Ref. TASK 74-21-10-000-R 002).
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Inspection of the Right Ignition Lead
Figure 601/TASK 74-21-10-991-302
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R Subtask 74-21-10-100-051
R R R B. Clean the ceramic insulator and contact with lint free cloth that is moist with 1,1,1 trichlorethane (Material No. CP1011) or Stoddard Solvent.
Subtask 74-21-10-210-051
R C. Inspection of the Right Ignition Lead:
-------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
R R 1. Type 3 and 4 exciter connector for :
R R R R - Carbon tracks.
R R R R - Thread damage.
R R 2. Type 3 igniter plug connector for:
R R R R - Burned or pitted contact.
R
R R R - Cracked or chipped ceramic insulator.
R
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30 percent of lead-in thread or 10 percent on each of 2 lead-in threads may be missing after chasing.
Not serviceable.
Not serviceable.
『E EEEReplace lead (Ref. TASK 74-21-10-000-002) and (Ref. TASK 74-21-10-400-002).
Chase threads or replace lead (Ref. TASK 74-21-10-000-002) and (Ref. TASK74-21-10-400-002).
Replace lead (Ref. TASK 74-21-10-000-002) and (Ref. TASK 74-21-10-400-002).
Replace lead (Ref. TASK 74-21-10-000-002) and (Ref. TASK 74-21-10-400-002).
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-------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
R - Thread damage. 30 percent of lead-in Chase threads or replace thread or 10 percent on lead (Ref. TASK 74-21-10-each of 2 lead-in 000-002) and (Ref. TASK
R threads may be missing. 74-21-10-400-002)
R 3. Type 4 Igniter plug R connector for:
R CAUTION : DO NOT PULL
_______ R ON CONTACT R AND CERAMIC R INSULATOR R TO INSPECT R THE LEAD R WIRE. THIS R CAN CRACK R THE R SILICONE R INSULATION R OF THE WIRE R CREATING AN R ARC PATH TO R THE R INTERNAL R SPRING R RESULTING R IN LEAD R FAILURE.
R
R - Eroded or pitted Not serviceable. Repair lead (Ref. TASK 74-R contact. 21-10-300-005).
R
R - Arcing or burning Not serviceable. Repair lead (Ref. TASK 74-R on contact or 21-10-300-005).
R terminal.
R
R - Dimension from Not less than 1.40 mm Repair lead (Ref. TASK 74-R contact face to the (0.0551 in.). 21-10-300-005).
R retaining ring
R groove.
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-------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
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