4. Procedure
_________
 **ON A/C 001-003, 051-054,

 (Ref. Fig. 404/TASK 29-11-41-991-005) R **ON A/C 004-049, 055-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 (Ref. Fig. 404A/TASK 29-11-41-991-005-A)
 **ON A/C ALL

 Subtask 29-11-41-020-054
 A. Removal of the Drain Valve
 (1)
 Remove and discard the lockwire from the drain valve (62).

 (2)
 Remove the drain valve (62) from the union (60).

 (3)
 Remove and discard the O-ring (61).

 (4)
 Put blanking plugs on the union (60) and the drain valve (62).

 Drain Valve
 Figure 404/TASK 29-11-41-991-005

R 1EFF : 001-003, 051-054, 1 29-11-41Page 442 1 1 May 01/05 1 1 1CES 1

 Drain Valve Figure 404A/TASK 29-11-41-991-005-A
R 1EFF : 004-049, 055-099, 101-149, 151-199, 1 29-11-41Page 443 1201-299, 301-399, 401-499, 1Aug 01/05 1 1 1CES 1 TASK 29-11-41-400-004

 Installation of the Drain Valve of the Green Hydraulic Reservoir
 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE  QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific warning notices
 No specific Torque Wrench : range 0.20 to 3.60 m.daN

 (2.00 to 26.00 lbf.ft)
 B. Consumable Materials
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
No specific  lockwire,corrosion resistant steel dia. 0.8mm
 (0.032in.)

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
 -------------------------------------------------------------------------------
61 O-ring 29-11-41 01 -170 61 O-ring 29-11-41 01A-170

 D. Referenced Information

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-12-29-611-001 12-12-29-611-002  Fill the Hydraulic Fluid Reservoir with a Hand PumpFill 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 29-00-00-910-002 29-10-00-863-001 29-10-00-864-001 29-14-00-614-001 29-14-00-614-002  Put the Related Hydraulic System in the Depressurized Configuration before Maintenance ActionSafety Procedures of the Hydraulic SystemPressurize the Green Hydraulic SystemDepressurize the Green Hydraulic SystemDepressurization of the Hydraulic ReservoirsPressurization of the Hydraulic Reservoirs through the Ground Connector
 29-23-00-860-001 29-23-00-860-002 32-12-00-010-001 32-12-00-410-001  Disconnection of the Isolation Coupling of the Power Transfer Unit (PTU)Connection of the Isolation Coupling of the Power Transfer Unit (PTU)Open the Main Gear Doors for AccessClose the Main Gear Doors after Access

 **ON A/C 001-003, 051-054, 29-11-41-991-005 Fig. 404 R **ON A/C 004-049, 055-099, 101-149, 151-199, 201-299, 301-399, 401-499, 29-11-41-991-005-A Fig. 404A

 **ON A/C ALL
 3. Job Set-up
__________
 Subtask 29-11-41-860-062
 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 warning notices are in position to tell persons not to pressurize the Green hydraulic system:

 -in the cockpit on the hydraulic section 40VU of the overhead panel, - on the ground service panel of the Green hydraulic system.

 (3)
 Make sure that the Green hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).

 (4)
 Make sure that the reservoir of the Green hydraulic system is depressurized (Ref. TASK 29-14-00-614-001).

 (5)
 Make sure that the main doors of the main gear are open (Ref. TASK 32-12-00-010-001).
　
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