A320飞机维护手册 AMM 动力装置 POWER PLANT 1(134)

 11.25 degrees for the upper lug.
 The aft mount consists of :

 - 3 fail-safe links.
 Each link is a triple element stacked assembly. These elements are connected
 by two attachments.
 The lower attachment of each link has a bearing. It provides attachment to
 the engine casing lugs :

 - a cross beam fitting.
 The cross beam has 3 lugs for attachment of the 3 links.
 Each lug includes a bearing.
 The cross beam has a mating face for connection with the engine pylon.
 This attachment is made through 4 tension bolts and 2 shear pins.
 One of the two shear pins is a back-up pin also used as an alignment pin.
 The cross beam fitting is a fail-safe design : it consists of two lateral
 parts linked by shear pins.

 2. Material
________ The aft mount beam is machined from an Inconel 718 forging. The three links are machined from Inconel 718.
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 Aft Engine Mount
 Figure 001

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 TASK 71-22-11-000-041
 Removal of the Aft Engine Mount
 1. Reason for the Job

__________________
 Self Explanatory

 2. Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
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REFERENCE QTY DESIGNATION
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RSE1224 2 SPLINT - ENGINE MOUNT AFT
 B. Consumable Materials
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REFERENCE DESIGNATION
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No specific TY WRAP
 C. Referenced Information
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REFERENCE DESIGNATION
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71-00-00-000-042 Removal of the Power Plant
 71-22-11-991-300 Fig. 401

 3. Job Set-up
__________
 Subtask 71-22-11-010-050

 A. Remove the engine (Ref. TASK 71-00-00-000-042).
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 4. Procedure