D. Referenced Information
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REFERENCE DESIGNATION
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R R R R R 12-12-29-611-001 12-12-29-611-002 24-41-00-862-002 29-00-00-864-001 29-00-00-870-008 29-00-00-870-009 29-00-00-870-010 29-00-00-910-002 29-10-00-863-003 29-10-00-864-003 29-14-00-614-001 29-31-00-710-001 31-60-00-860-002 29-12-41-991-005 Fill the Hydraulic Fluid Reservoir with a Hand PumpFill the Hydraulic Fluid Reservoir with a Hydraulic Service CartDe-energize the Aircraft Electrical Circuits Supplied from the External PowerPut the Related Hydraulic System in the Depressurized Configuration before Maintenance Action Bleeding Procedure of the Blue Hydraulic System Upstream of the Blue E-Pump Bleeding Procedure of the Blue Hydraulic System Downstream of the Blue E-Pump Ram Air Turbine System Bleeding ProcedureSafety Procedures of the Hydraulic SystemPressurize the Blue Hydraulic System with a Ground Power SupplyDepressurize the Blue Hydraulic SystemDepressurization of the Hydraulic ReservoirsFunctional Check of Reservoir Low Level WarningEIS Stop ProcedureFig. 403
3. Job Set-up__________
Subtask 29-12-41-860-058
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 Blue 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 Blue hydraulic system is depressurized. (Ref. TASK 29-14-00-614-001).
(4) Make sure that the access platform is in position at the access door 197FB.
(5)
Make sure that the access door 197FB is open.
(6)
Make sure that the container is in position below the reservoir.
(7)
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.
Subtask 29-12-41-865-058
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 121VU HYDRAULIC/LOW/LVL/IND 1832GQ N32 123VU B HYD/ELEC PUMP 2701GJ AB09
4. Procedure
_________
(Ref. Fig. 403/TASK 29-12-41-991-005) Subtask 29-12-41-420-052
A. Installation of the Low Level Switch
(1)
Clean the component interface and/or the adjacent area.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Remove the blanking plug from the reservoir (1).
(4)
Lubricate the new O-ring (7) with HYDRAULIC FLUIDS (Material No. 02-003).
(5)
Put the O-ring (7) in position on the low level switch (8).
(6)
Put the low level switch (8) in position in the reservoir (1).
(7)
Install the bolts (10) and the washers (9).
(8)
Remove the blanking caps from the electrical connector (11) and from the receptacle.
1EFF : ALL 1 29-12-41Page 440 1 1 Feb 01/05R 1 1 1CES 1
(9) Make sure that the electrical connectors are clean and in the correct
condition.
(10)
Connect the electrical connector (11). Subtask 29-12-41-865-059
B.
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1832GQ, 2701GJ, 2702GJ.
Subtask 29-12-41-865-061
C. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
121VU HYDRAULIC/HYD/QTY/IND 1831GQ P35
Subtask 29-12-41-710-051
D. Test
(1) Do the operational test of the fluid low-level warning system (Ref. TASK 29-31-00-710-001).
NOTE : Do only the steps of the test applicable for the Blue
____
hydraulic system.
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