(2)
Make sure that the warning notices are in position to tell persons not to pressurize the Blue hydraulic system:
-in the cockpit on the hydraulic section 40VU of the overhead panel, - on the ground service panel of the Blue hydraulic system.
(3)
Make sure that the Blue hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(4)
Make sure that the reservoir of the Blue hydraulic system is depressurized. (Ref. TASK 29-14-00-614-001).
(5)
Make sure that the access door 195BB is open.
(6)
Make sure that the container is under the location of the electric pump.
Subtask 29-12-51-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU HYD/HYD PWR/B WARN/& CTL 2702GJ C12 123VU B HYD/ELEC PUMP 2701GJ AB09
1EFF : ALL 1 29-12-51Page 408 1 1 Nov 01/01R 1 1 1CES 1
4. Procedure
_________
(Ref. Fig. 401/TASK 29-12-51-991-001) Subtask 29-12-51-560-050
A. Preparation of the Replacement Component
CAUTION : MAKE SURE THAT THE REPLACEMENT COMPONENT IS FULL WITH THE
_______ CORRECT FLUID BEFORE YOU INSTALL IT. IF YOU DO NOT DO THIS, YOU CAN CAUSE DAMAGE TO THE COMPONENT AND/OR THE SYSTEM.
(1)
Make sure that the parts retained from the removed component are clean and in the correct condition.
(2)
Make sure that the blower housing (27) of the pump (6) is in the correct position to connect the air hose (8).
(3)
If necessary, do the procedure that follows:
(a)
Remove the attachment bracket (1).
(b)
Remove the screws (25) and the washers (26) of the blower housing (27).
(c)
Turn the blower housing (27) to the correct position.
(d)
Install the screws (25) and the washers (26) of the blower housing (27).
(e)
TORQUE the screws (25) to between 0.18 and 0.20 m.daN (15.92 and
17.69 lbf.in).
(f)
Install the attachment bracket (1).
(4)
Make sure that the pump attachment bracket (1) is in the same position as on the removed pump.
(5)
If necessary, do the procedure that follows:
(a) For pumps with part numbers 518150 and 693335: 1 Cut and remove the lockwire.
_
2 Remove the bolts (4) and the washers (5).
_
1EFF : ALL 1 29-12-51Page 409 1 1 May 01/05R 1 1 1CES 1
3 Remove the attachment bracket (1) and put it in the correct
_
position.
4 Install the washers (5) and the bolts (4).
_ 5 TORQUE the bolts (4) to between 1.07 and 1.19 m.daN (94.69 and
_
105.30 lbf.in). 6 Safety the bolts (4) with the lockwire, MISCELLANEOUS
_
(Material No. 19-009).
(b) For pumps with part number 974540: 1 Remove the bolts (4) and the washers (5).
_ 2 Remove the attachment bracket (1) and put it in the correct
_
position.
3 Install the washers (5) and the bolts (4).
_ 4 TORQUE the bolts (4) to between 1.07 and 1.19 m.daN (94.69 and
_ 105.30 lbf.in).
(6)
Make sure that the replacement pump is full with the HYDRAULIC FLUIDS (Material No. 02-003).
(7)
If necessary fill the pump with the HYDRAULIC FLUIDS (Material No. 02-003).
Subtask 29-12-51-420-051
B. Installation of the Electric Pump CAUTION : USE A SECOND WRENCH TO APPLY COUNTERTORQUE TO THE UNION WHEN
_______ YOU DISCONNECT/CONNECT HYDRAULIC LINES ON UNIONS. IF YOU USE THE SECOND WRENCH, YOU WILL NOT LOOSEN OR TIGHTEN THE UNION TOO MUCH.
CAUTION : YOU MUST INSTALL HYDRAULIC TUBES WITH HYDRAULIC FLUID AS
_______
LUBRICANT.
R NOTE : You will need a second person to hold the pump while you connect
____ R the electrical connector and attach the pump to the structure of R the aircraft. The pump weighs approximately 15 Kg (33 lb.).
(1)
Clean the component interface and/or the adjacent area.
(2)
Do an inspection of the component interface and/or the adjacent area.
中國航空網(wǎng) www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：A320飛機維護手冊 AMM HYDRAULIC POWER 液壓3(89)
