C. Referenced Information
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REFERENCE DESIGNATION
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12-12-29-611-001 Fill the Hydraulic Fluid Reservoir with a Hand Pump 12-12-29-611-002 Fill the Hydraulic Fluid Reservoir with a Hydraulic Service Cart 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action 29-00-00-910-002 Safety Procedures of the Hydraulic System 29-10-00-863-002 Pressurize the Yellow Hydraulic System 29-10-00-864-002 Depressurize the Yellow Hydraulic System 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 29-14-00-614-002 Pressurization of the Hydraulic Reservoirs through
the Ground Connector 29-23-00-860-001 Disconnection of the Isolation Coupling of the Power Transfer Unit (PTU) 29-23-00-860-002 Connection of the Isolation Coupling of the Power Transfer Unit (PTU) 29-19-41-991-003 Fig. 403 R 29-19-41-991-004 Fig. 404
3. Job Set-up
__________
Subtask 29-19-41-860-063
A. Aircraft Maintenance Configuration
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Make sure that the Yellow hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(3)
Make sure that the reservoir of the Yellow hydraulic system is depressurized. (Ref. TASK 29-14-00-614-001).
(4)
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.
(5)
Make sure that the access door 196BB is open.
(6)
Make sure that the container is in position below the manifold (3146GM) to collect unwanted fluid.
(7)
Make sure that the isolation coupling of the Power Transfer Unit (PTU) is disconnected (Ref. TASK 29-23-00-860-001).
Subtask 29-19-41-865-057
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/SOL VALVES/G/Y/B/LEAK/TST 1881GP N35 121VU HYDRAULIC/HYD POWER/Y 3803GX N30 123VU Y HYD/ELEC/PUMP 3802GX AB06
R 123VU Y HYD/ELEC/ELEC PUMP/NORM 3801GX AB03
4. Procedure
_________
(Ref. Fig. 403/TASK 29-19-41-991-003)
Subtask 29-19-41-560-052
A. Preparation of the Ground Leakage-Measurement Manifold before
Installation
NOTE : The subsequent worksteps are only necessary if the applicable
____ components are not installed in the replacement manifold.
(1) Install the applicable components in the manifold (1) as follows:
(a)
Lubricate the new O-rings and the threads of the components with HYDRAULIC FLUIDS (Material No. 02-003).
(b)
Put the O-ring (28) in position on the plug (27).
(c)
Install the plug (27) in port A of the manifold (1).
(d)
TORQUE the plug (27) to between 4.32 and 4.61 m.daN (31.85 and
33.99 lbf.ft).
(e)
Put the O-ring (26) in position on the plug (25).
(f)
Install the plug (25) in port B of the manifold (1).
(g)
TORQUE the plug (25) to between 3.19 and 3.47 m.daN (23.52 and
25.58 lbf.ft).
(h)
Safety the plugs (25), (27) with lockwire, corrosion-resistant steel dia 0.8 mm (0.032 in.).
(i)
Put the O-ring (19) in position on the union (18).
(j)
Install the union (18) in port A of the manifold (1).
(k)
TORQUE the union (18) to between 4.32 and 4.61 m.daN (31.85 and
33.99 lbf.ft).
(l)
Put the O-ring (23) in position on the union (22).
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