(c)
Make sure that the access panel 195BB is open.
(d)
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.
R (5) FOR 3150GP
(a)
Make sure that the Yellow hydraulic system is depressurized and put it in the maintenance configuration (Ref. TASK 29-00-00-864-001).
(b)
Make sure that the reservoir of the Yellow hydraulic system is depressurized (Ref. TASK 29-14-00-614-001).
(c)
Make sure that the access panel 196BB is open.
(d)
Make sure that the warning notices are in position to tell persons not to pressurize the Yellow hydraulic system:
-in the cockpit on the hydraulic section 40VU of the overhead
panel. - on the ground service panel of the Yellow hydraulic system.
Subtask 29-19-51-865-060
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
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PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
121VU HYDRAULIC/SOL VALVES/G/Y/B/LEAK/TST 1881GP N35
R 1EFF : 001-049, 051-058, 101-101, 1 29-19-51Page 444 1 1 May 01/05 1 1 1CES 1
4. Procedure
_________
(Ref. Fig. 404/TASK 29-19-51-991-004, 405/TASK 29-19-51-991-005) Subtask 29-19-51-420-054
A. Installation of the Pilot Valve
(1)
Clean the component interface and/or the adjacent area.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Lubricate the new packings (4) with HYDRAULIC FLUIDS (Material No. 02-003).
(4)
Remove the blanking plugs from the open ports.
(5)
Install the new packings (4):
(a)
Put the new packings (4) in position on the leakage-measurement solenoid valve 1150GP (5).
(b)
Put the new packings (4) in position on the leakage-measurement solenoid valve 2150GP (5).
(c)
Put the new packings (4) in position on the leakage-measurement solenoid valve 3150GP (5).
(6)
Put the pilot valve (3) in position on the leakage-measurement solenoid valve (5).
(7)
Attach the pilot valve (3) with the two bolts (1), the washer (2) and the bonding tin (7) (Ref. TASK 20-28-00-912-004).
(8)
TORQUE the bolts (1) to 0.40 m.daN (35.39 lbf.in).
(9)
Safety the bolts (1) with lockwire, corrosion resistant steel dia 0.8mm (0.032 in.).
(10)
Remove the blanking caps from the electrical connector (6) and from the receptacle.
(11)
Make sure that the electrical connectors are clean and in the correct condition.
(12)
Connect the electrical connector (6) to the pilot valve.
R 1EFF : 001-049, 051-058, 101-101, 1 29-19-51Page 445 1 1 May 01/05 1 1 1CES 1
(13) Remove the warning notices from the ground service panel and from the hydraulic section 40VU on the overhead panel in the cockpit.
Subtask 29-19-51-865-061
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1881GP
Subtask 29-19-51-710-053
C. Do the Operational Test of the Solenoid Valve 1150GP
(1)
Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
(2)
Pressurize the reservoir of the Green hydraulic system (Ref. TASK 29-14-00-614-002).
(3)
Pressurize the Green hydraulic system (Ref. TASK 29-10-00-863-001).
(4)
Examine the solenoid valve connection and make sure that there are no leaks.
(5)
Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only) (Ref. TASK 31-60-00-860-001).
R 1EFF : 001-049, 051-058, 101-101, 1 29-19-51Page 446 1 1 May 01/05 1 1 1CES 1 (6) Do this Test:
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1. On the ECAM control panel on the center pedestal:
-push the HYD pushbutton.
2. On the overhead panel 50VU:
-lift the guard and set the HYD/LEAK MEASUREMENT VALVE/G pushbutton switch (P/BSW) to OFF (the OFF light comes on).
3. On the overhead panel 50VU:
-lift the guard and set the HYD/LEAK MEASUREMENT VALVE/G P/BSW to on (the OFF light goes off).
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