Adjustment of the Torque Value Figure 205/TASK 20-23-11-991-065
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Typical Examples of Connections
Figure 206/TASK 20-23-11-991-066- 16 (SHEET 1)
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Typical Examples of Connections
Figure 206/TASK 20-23-11-991-066- 26 (SHEET 2)
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Typical Examples of Connections
Figure 206/TASK 20-23-11-991-066- 36 (SHEET 3)
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Typical Examples of Connections
Figure 206/TASK 20-23-11-991-066- 46 (SHEET 4)
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Typical Examples of Connections
Figure 206/TASK 20-23-11-991-066- 56 (SHEET 5)
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Typical Examples of Connections
Figure 206/TASK 20-23-11-991-066- 66 (SHEET 6)
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(6) Double tightening torque
NOTE : The double tightening torque is not applicable for the____ installation of plug-in fittings installed on manifold or equipment.
(a) If one or more of the parts you assemble are new, you must do the double torque procedure: - torque the nut to the correct value - loosen the nut by one turn - torque the nut again to the correct value.
R (7) If applicable, torque the locknut of the swivel bulkhead fitting to the correct torque value (Ref. TASK 20-21-12-911-001). Hold the fitting with the applicable countertorque wrench and torque the locknut with the applicable torque wrench.
(8) Torque the clamp blocks to 0.2 m.daN (17.6991 lbf.in).
5. Close-up________
Subtask 20-23-11-917-085
R R A. Put the aircraft back to its initial configuration.
(1) Pressurize the hydraulic reservoirs (Ref. TASK 29-14-00-614-002).
R (2) If necessary, fill the hydraulic reservoirs: - with a hand pump (Ref. TASK 12-12-29-611-001) - or with a hydraulic cart (Ref. TASK 12-12-29-611-002).
(3) Pressurize the hydraulic systems: - for the Green system (Ref. TASK 29-10-00-863-001) - for the Yellow system (Ref. TASK 29-10-00-863-002) - for the Blue system (Ref. TASK 29-10-00-863-003).
(4) Make sure that there is no leakage in the repaired area.
R (5) Put a red line on the tightened fittings (Ref. TASK 20-23-22-910-001).
(6) Bleed the related hydraulic system:
(a)
For the Green system:
-
upstream of the engine pump (Ref. TASK 29-00-00-870-001)
-
upstream of the PTU (Ref. TASK 29-00-00-870-002)
-downstream of the engine pump (Ref. TASK 29-00-00-870-003).
(b)
For the Yellow system:
-
upstream of the engine pump (Ref. TASK 29-00-00-870-004)
-
upstream of the PTU (Ref. TASK 29-00-00-870-005)
-
upstream of the Yellow E-pump (Ref. TASK 29-00-00-870-006)
-downstream of the engine pump (Ref. TASK 29-00-00-870-007).
R (c) For the Blue system:
-upstream of the Blue E-pump (Ref. TASK 29-00-00-870-008)
-downstream of the Blue E-pump (Ref. TASK 29-00-00-870-009).
(d) For the normal braking system (Ref. TASK 32-42-00-870-001).
R (e) For the alternate braking system:
-low pressure (Ref. TASK 32-43-00-612-001)
-high pressure (Ref. TASK 32-43-00-870-002).
(7) Make sure that the work area is clean and clear of tool(s) and other items.
TASK 20-23-11-911-002
Installation of the Swivel plug-in unions and of O-Ring and Backup Washer on Swivel Plug-in Union
1. Reason for the Job
__________________
To correctly install swivel plug-in unions. 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM STANDARD PRACTICES-AIRFRAME(23)
