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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