3. Job Set-up
__________
Subtask 78-31-19-941-053
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.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a warning notice to tell persons not to energize the FADEC 1(2).
Subtask 78-31-19-010-054
B. Get Access
(1) Open the fan cowl doors (Ref. TASK 71-13-00-010-040):
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
(2) Put the access platform in position.
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C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
Subtask 78-31-19-860-061
D. Deploy the blocker door manually (Ref. TASK 78-32-41-860-001).
Subtask 78-31-19-480-055
E. Install the SAFETY SLEEVE - PIVOTING DOOR ACTUATOR (HIX3005) on the
blocker door actuator (Ref. TASK 78-32-41-480-001).
Subtask 78-31-19-010-056
F. Open the right thrust reverser door to 33 degree or 35 degree position (as applicable) (Ref. TASK 78-36-00-010-040): FOR 1000EM1 452AR FOR 1000EM2 462AR
4. Procedure
_________
(Ref. Fig. 601/TASK 78-31-19-991-304)
Subtask 78-31-19-210-051
A. Do a visual inspection of the blocker door latch and the related hardware as follows :
-------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
1. Examine the pivoting door latch for:
A. Damage No damage permitted If you find some damage, replace blocker door latch (Ref. TASK 78-31-19-000-001) and (Ref. TASK 78-31-19-400-001)
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B. Hydraulic leakage No hydraulic leakage If there is leakage, check
permitted nipples for correct torque (Ref. TASK 78-31-19-400-001)
If the leakage continues, replace the preformed packing (Ref. TASK 78-31-19-000-001) and (Ref. TASK 78-31-19-400-001)
If the leakage continues, replace the blocker door latch (Ref. TASK 78-31-19-000-001) and (Ref. TASK 78-31-19-400-001)
2. Examine the related hardware for:
A. Damage No damage permitted If you find some damage, replace the defective part (Ref. TASK 78-31-19-000-001) and (Ref. TASK 78-31-19-400-001)
3. Examine the latch fitting (hinge) and the roller for:
A. Damage No damage permitted If you find some damage replace the latch fitting (Ref. TASK 78-32-41-000-003) and (Ref. TASK 78-32-41-400-003).
4. Examine the forward frame around the latch for:
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A. Damage No damage permitted If you find some damage replace the half door (Ref. TASK 78-32-11-000-002) and (Ref. TASK 78-32-11-400-002).
5. Close-up
________
Subtask 78-31-19-410-053
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the right thrust reverser door without making thrust reverser serviceable (Ref. TASK 78-36-00-410-040): FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
Subtask 78-31-19-080-055
B. Remove the safety sleeve (HIX3005) from the blocker door actuator
(Ref. TASK 78-32-41-080-001).
Subtask 78-31-19-860-053
C. Stowing of the blocker door:
CAUTION : BLOCKER DOOR LATCH MUST BE OPENED WHEN YOU CLOSE THE BLOCKER
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