3. Job Set-up
__________
Subtask 29-11-17-860-054
A. Aircraft Maintenance Configuration
(1)
Depressurize the Green hydraulic system
(Ref. TASK 29-10-00-864-001).
(2)
Depressurize the Green hydraulic reservoir (Ref. TASK 29-14-00-614-001).
(3)
Put warning notice(s) in position to tell persons not to pressurize the Green hydraulic system: - on the ground service panel 197CB.
(4)
Put warning notice(s) on the access door 195BB to tell persons not to pressurize the Green hydraulic reservoir.
Subtask 29-11-17-941-053
B. Safety Precautions
(1)
On the center pedestal, on the ENG panel 115VU:
-put warning notice(s) to tell persons not to start the engine.
(2)
Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3)
Put warning notice(s) in position to tell persons not to pressurize
the Green hydraulic system: R - in the cockpit, on the HYD overhead panel 40VU.
(4)
On the overhead maintenance panel 50VU:
-make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(5)
Put warning notice(s) to tell persons not to energize the FADEC 1(2).
(6)
Put a container below the suction-hose adapter connection to the hydraulic pump.
Subtask 29-11-17-865-056
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
Subtask 29-11-17-010-053
D. Get Access
(1) Open the left fan cowl door :
FOR 1000EM1
open the door 437AL (Ref. TASK 71-13-00-010-040)
(2) Put an access platform in position at the engine.
R 4. Procedure_________
R Subtask 29-11-17-020-051
R A. Removal of the Electrical Connector (1074GK-A)
R (Ref. Fig. 401/TASK 29-11-17-991-902, 402/TASK 29-11-17-991-300)
R (1) Do these steps to remove the electrical connector (1074GK-A).
R
R PRE SB RA32029-13
R
R (a) Disconnect the electrical connector 1074GK-A from the pressure
R switch (15).
R (b) Put protective covers on the electrical connector and on the
R switch (15).
R (c) Remove the bolt (5), the washers (35), (40) and the nut (30) from
R the bonding clamp (45).
R (d) Remove the bonding jumper (50) and the clamp (45) from the switch
R (15).
R (e) Disconnect the hydraulic tube (25) from the pressure switch (15).
R NOTE : Use a second wrench to hold the pressure switch (15) when____
R you loosen the coupling nut on the tube.
Engine Pump Pressure Switch (PRE SB RA32029-13) Figure 401/TASK 29-11-17-991-902
1EFF : 1 1R 1CES ALL 1 11 1 29-11-17 Page 404 Aug 01/03
R R Engine Pump Pressure Switch (POST SB RA32029-13) Figure 402/TASK 29-11-17-991-300
1EFF : 1 1 1CES ALL 1 111 29-11-17 Page 405 Aug 01/03
R (f) Remove the two bolts (5) and the clamp (10) from the pressure
R switch (15).
R (g) Remove the pressure switch (15) from the engine.
R (h) Put the protective covers on the pressure switch and on the tube
R (25).
R (2) Do these steps to remove the electrical connector (1074GK-A).
R
R POST SB RA32029-13
R
R (a) Disconnect the electrical connector 1074GK-A from the pressure
R switch (30).
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本文鏈接地址：A320飛機維護手冊 AMM HYDRAULIC POWER 液壓2(29)
