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R  tube located on engine center line at the lowest part of the core 
R  cowl and runs vertically venting directly to ambient. 
R  B. Blocker Doors 
R  (Ref. Fig. 008) 
R  (1) General 
R  Two blocker doors are installed onto each half reverser. Each blocker 
R  door rotates around pins secured onto upper and lower fittings 
R  located at 3 and 9 o'clock. All the blockers doors are actuated by 
R  hydraulic actuators and rotate independently. 
R  NOTE : All doors are different.____ 
R  (2) Pivot pins 
R  (Ref. Fig. 009) 
R  (3) Efflux Pattern 
R  (Ref. Fig. 010) 
R  The reverser is designed in such a way that : 
R  - there is no direct impingement of the flow onto the wing under 
R  normal operating conditions 
R  - no occurrences of reingestion under normal operating conditions 
R  - a minimum of unbalanced thrust forces. 
R  The efflux pattern is determined by different means : 
R  - the shape of the reverser openings. 
R  - the height and shape of the kicker-plate at the leading edge of 
R  each reverser blocker door. 
R  - shape of the forward internal skin of the reverser blocker door. 
R  - side walls along the edge of the blocker doors. 
R  The configuration of the right thrust reverser is different from 
R  the left one. 
R  (4) Seals 
R  (Ref. Fig. 011) 
R  The characteristics of the seals are : 
R  - large diameter seal 
R  - pressurized seal 
R  - silicone and fiber glass material 
R  - no seal scrubbing during door motion 
R  - seal in compression 
R  - each seal is particular to one component with no angle.

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R Typical Composite Parts of a Thrust Reverser Blocker Door R Figure 008
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R R  Blocker Door Pivot Pins Figure 009
 F EEFF : E E ECES  ALL  『E 78-32-00EEE Page 13 Aug 01/04

 

R R  Four-Door Thrust Reverser Figure 010
 F EEFF : E E ECES  ALL  『E 78-32-00EEE Page 14 Aug 01/04

 

R R  Thrust Reverser Blocker Door Figure 011
 F EEFF : E E ECES  ALL  『E 78-32-00EEE Page 15 Aug 01/04

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 THRUST REVERSER STRUCTURE - INSPECTION/CHECK
____________________________________________ TASK 78-32-00-210-044-A Detailed Inspection of Thrust Reverser 12 o'clock Beam Junction with the
 Forward Frame
 1. Reason for the Job

__________________
 Refer to the MPD TASK: 783001-01

 2. Job Set-up Information

______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
78-32-11-000-002  Removal of the Left or Right Half Door of Thrust Reverser 78-32-11-400-002 Installation of the Left or Right Half Door of Thrust Reverser CMM 78-32-36
 3. Job Set-up
__________ Subtask 78-32-00-000-051
 A. Remove the thrust reverser doors. (Ref. TASK 78-32-11-000-002)
 4. Procedure
_________ Subtask 78-32-00-210-061
 A. Do a detailed visual inspection of the thrust reverser 12 o'clock beam junction with the forward frame. (Ref. CMM 78-32-36), Repair Number 1.
 5. Close-up
________ Subtask 78-32-00-400-051
 A. Install the thrust reverser doors. (Ref. TASK 78-32-11-400-002)
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 TASK 78-32-00-210-045
 General Visual Inspection of "C" Duct Hinge Fittings
 1. Reason for the Job
__________________
R Refer to the MPD TASK: 783200-01 R
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
　
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