Subtask 77-21-10-010-077
 B. Get Access
 (1) Open the fan cowl doors (Ref. TASK 71-13-00-010-040): FOR 1000EM1 437AL, 438AR. FOR 1000EM2 447AL, 448AR.
 Subtask 77-21-10-040-074
 C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
 Subtask 77-21-10-010-090
 D. Open the thrust reverser doors: (Ref. TASK 78-36-00-010-040)
 FOR 1000EM1
 451AL, 452AR
 FOR 1000EM2
 461AL, 462AR

 4. Procedure
_________
R (Ref. Fig. 406/TASK 77-21-10-991-308)
 Subtask 77-21-10-020-060
R A. Removal of the Upper Left Thermocouple Lead Assembly (Upper Left T495 R Sector)
R (1) Cut and remove the lockwire.
R (2) Disconnect the main junction box lead connector (90) from the upper R left T495 sector junction box (parallel junction box) (20).
R (3) Remove the parts which attach the upper left T495 as follows:
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R Upper Left Thermocouple Lead Assembly (Upper Left T495 Sector) R Figure 406/TASK 77-21-10-991-308- 13 (SHEET 1)
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R Upper Left Thermocouple Lead Assembly (Upper Left T495 Sector) R Figure 406/TASK 77-21-10-991-308- 23 (SHEET 2)
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R Upper Left Thermocouple Lead Assembly (Upper Left T495 Sector) R Figure 406/TASK 77-21-10-991-308- 33 (SHEET 3)
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R -------------------------------------------------------------------------------

R  REMOVE  | FROM 
R  | 
R  Nuts (10)  | Studs (30) 
R  | 
R  | 
R  Bolts (50)  | Bracket (40) 
R  | 
R  | 
R  Clamp (60)  | 
R  Nuts (80)  | Flange S 
R  | 
R  | 
R  Bolts (70)  | 
R  Bolt (110)  | Bracket (100) 
R  | 
R  | 
R  Clamp (120) | 

| NOTE | | On LPT case, at the 9:30 and the 10:45 | o'clock positions (Detail B) | | On flange S, at the 10:15 o'clock position | (Detail C) | | | At the 10:30 o'clock position | (Detail D) | | | On flange S, at the 11 o'clock position | (Detail E) | |
R (4) Carefully remove the upper left T495 sector (20) from the LPT holes R and from the engine.
R (5) Install the blanking plugs and caps on all disconnected parts. R
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 TASK 77-21-10-400-028
 Installation of the Upper Left Thermocouple Lead Assembly
 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
R No specific blanking plugs
R  No specific caps No specific warning notice No specific Torque Wrench : range 36.00 to 220.00 lbf.in
 (0.40 to 2.60 m.daN)

 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. CP2101 USA MIL-T-5544
 graphite grease (Ref. 70-30-00) R Material No. CP2544 * R Molykote P37 (Ref. 70-30-00)
 Material No. CP8001 *
 lockwire 0.032 in (0.8 mm) dia (Ref. 70-30-00)
 Material No. CP8002 *
 lockwire 0.032 in (0.8 mm) dia (Ref. 70-30-00)

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 C. 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 73-29-00-710-040 Operational Test of the FADEC on the Ground (with
　
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