(6)
Make sure that the isolation coupling of the Power Transfer Unit (PTU) is disconnected (Ref. TASK 29-23-00-860-001).
Subtask 29-11-41-865-063
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/LOW/LVL/IND 1832GQ N32 121VU HYDRAULIC/HYD/QTY/IND 1831GQ P35 121VU HYDRAULIC/G HYD/PUMP ENG1/CTL 1701GK R35 121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
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4. Procedure
_________
**ON A/C 001-003, 051-054,
(Ref. Fig. 404/TASK 29-11-41-991-005) R **ON A/C 004-049, 055-099, 101-149, 151-199, 201-299, 301-399, 401-499,
(Ref. Fig. 404A/TASK 29-11-41-991-005-A)
**ON A/C ALL
Subtask 29-11-41-420-053
A. Installation of the Drain Valve
(1)
Remove the blanking plugs from the union (60).
(2)
Apply HYDRAULIC FLUIDS (Material No. 02-003) to the threads of the union and to the new O-ring (61).
(3)
Put the O-ring (61) in position on the drain valve (62).
(4)
Install the drain valve (62) in the union (60).
(5)
Torque the drain valve (62) to 1.5 m.daN (11.06 lbf.ft)
(6)
Safety the drain valve (62) with lockwire,corrosion resistant steel dia. 0.8mm (0.032in.).
Subtask 29-11-41-860-064
B. Preparation for the Test
(1)
Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
(2)
Fill the reservoir of the Green hydraulic system (Ref. TASK 12-12-29-611-001) or (Ref. TASK 12-12-29-611-002) and make sure that the fluid level in the Green Hydraulic Reservoir is correct.
(3)
Pressurize the reservoir of the Green hydraulic system (Ref. TASK 29-14-00-614-002).
Subtask 29-11-41-790-052
C. Leak Test of the Hydraulic Connections
(1) Examine the connection of the drain valve (62) and the union (60).
(2)
Make sure that there are no leaks. Subtask 29-11-41-870-052
D.
Bleeding Procedure
(1)
Pressurize the Green hydraulic system (Ref. TASK 29-10-00-863-001).
(2)
Keep the system pressurized for 5 minutes to bleed the Green hydraulic system .
(3)
Depressurize the Green hydraulic system (Ref. TASK 29-10-00-864-001).
5. Close-up
________ Subtask 29-11-41-860-063
A. Put the aircraft back to the serviceable condition.
(1)
Make sure that the level of fluid in the reservoir of the Green hydraulic system is correct. (Ref. TASK 12-12-29-611-001) (Ref. TASK 12-12-29-611-002)
(2)
De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
(3)
Connect the isolation coupling of the power transfer unit (Ref. TASK 29-23-00-860-002).
(4)
Remove the access platform(s).
(5)
Remove the warning notice(s).
(6)
Make sure that the work area is clean and clear of tool(s) and other items.
(7)
Close the main doors of the main gear (Ref. TASK 32-12-00-410-001).
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B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1701GK, 1702GK, 1832GQ, 1831GQ
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ACCUMULATOR - GREEN POWER (1070GM) - REMOVAL/INSTALLATION
_________________________________________________________
TASK 29-11-42-000-001
Removal of the Green Power Accumulator
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______
GEAR.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific blanking caps
No specific circuit breaker(s) safety clip(s)
No specific container
No specific warning notices
No specific access platform 2.8 m (9 ft. 2 in.)
B. Referenced Information 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 HYDRAULIC POWER 液压2(70)
