TASK 29-12-41-400-002 Installation of the Quantity Indicator of the Blue Hydraulic System WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
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 GEAR.

 1.
 Reason for the Job

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 Self Explanatory

 2.
 Job Set-up Information

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 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific container
 No specific warning notices
 No specific access platform 2.3 m (7 ft. 7 in.)

 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R  Material No. 02-003 F NSA 307110 TYPE 4 HYDRAULIC FLUID (PHOSPHATE ESTER BASE) (Ref. 20-31-00)
 C. Expendable Parts
 -------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
2 O-ring 29-12-41 01 -060 2 O-ring 29-12-41 01 -060A

 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 24-41-00-861-002 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 29-14-00-614-002 29-31-00-710-001 31-60-00-860-001 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 CartEnergize the Aircraft Electrical Circuits from the External PowerDe-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 ReservoirsPressurization of the Hydraulic Reservoirs through the Ground ConnectorFunctional Check of Reservoir Low Level WarningEIS Start ProcedureEIS Stop ProcedureFig. 403
 3. Job Set-up__________
 Subtask 29-12-41-860-055
 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 29-12-41-865-055
 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
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 (Ref. Fig. 403/TASK 29-12-41-991-005) Subtask 29-12-41-420-051
 A. Installation of the Quantity Indicator
 (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 (2) with HYDRAULIC FLUIDS (Material No. 02-003).
　
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