Maintenance
78-30-00-481-041 Make the Thrust Reverser Unserviceable for
Maintenance
78-31-18-000-001 Removal of the Blocker Door Stow-switch
(4104KS1,4104KS2,4104KS3,4104KS4)
78-31-18-400-001 Installation of the Blocker Door Stow-switch
(4104KS1,4104KS2,4104KS3,4104KS4)
78-32-41-080-001 Removal of the Safety Sleeve from Blocker Door
Actuator
78-32-41-480-001 Installation of the Safety Sleeve on Blocker Door
Actuator
78-32-41-860-001 Manual Deployment of the Blocker Door
78-32-41-860-002 Manual Stowing of the Blocker Door
78-36-00-010-040 Opening of the Thrust Reverser Doors
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REFERENCE DESIGNATION
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78-36-00-410-040 Closing of the Thrust Reverser Doors
78-31-18-991-301 Fig. 601
3. Job Set-up
__________
Subtask 78-31-18-941-051
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 78-31-18-010-051
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.
Subtask 78-31-18-040-051
C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
Subtask 78-31-18-860-052
D. Deploy the blocker door manually (Ref. TASK 78-32-41-860-001).
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E. Install the SAFETY SLEEVE - PIVOTING DOOR ACTUATOR (HIX3005) on blocker door actuator (Ref. TASK 78-32-41-480-001).
Subtask 78-31-18-010-052
F. 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 78-31-18-991-301)
Subtask 78-31-18-210-050
A. Do a visual inspection of the stow switch and the related hardware, the lever of the stow switch and the electrical connector as follows :
-------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
1. Examine the stow switch and the related hardware for:
A. Damage No damage permitted If you find some damage, replace the defective part (Ref. TASK 78-31-18-000-001) and (Ref. TASK 78-31-18-400-001)
2. Examine the lever of stow switch for :
A. Crack No crack permitted If there is crack, replace the stow switch (Ref. TASK 78-31-18-000-001) and (Ref. TASK 78-31-18-400-001)
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Stow switch
Figure 601/TASK 78-31-18-991-301
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-------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
3. Examine the electrical connector for :
A. Tightness The blue mark of the If the blue mark of the stow switch connector stow switch connector can must be covered by the be seen, tighten the blue mark of the electrical harness electrical harness connector with the
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