R **ON A/C 002-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 29-11-21-991-001-A Fig. 401A
 **ON A/C ALL
 3. Job Set-up
__________
 Subtask 29-11-21-865-050
 A. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/SOL VALVES/G/Y/B/LEAK/TST 1881GP N35 121VU HYDRAULIC/G HYD/PUMP ENG1/CTL 1701GK R35 121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
 Subtask 29-11-21-860-052
 B. Aircraft Maintenance Configuration
 (1)
 Put the warning notices 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.

 (2)
 Make sure that the Green hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).

 (3)
 Depressurize the reservoir of the Green hydraulic system (Ref. TASK 29-14-00-614-001).

 (4)
 Open the left main door of the main gear (Ref. TASK 32-12-00-010-001).

 (5)
 Put an access platform in position at the left door of the main gear.

 (6)
 Disconnect the isolation coupling of the Power Transfer Unit (PTU) (Ref. TASK 29-23-00-860-001).

 4. Procedure
_________
 **ON A/C 001-001, 051-052,

 (Ref. Fig. 401/TASK 29-11-21-991-001) R **ON A/C 002-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 (Ref. Fig. 401A/TASK 29-11-21-991-001-A)
 **ON A/C ALL

 Subtask 29-11-21-614-051
 A. Depressurization of the Power Accumulator (1070GM)
 (1) Remove the endcap from the charging valve (5).
 (2)
 Turn the nut to the OPEN position and release the nitrogen pressure. Subtask 29-11-21-020-050

 B.
 Removal of the Pressure Gage

 (1)
 Cut, remove and discard the lockwire from the pressure gage (2).

 (2)
 Hold the pressure gage (2) and release the nut (3).

 (3)
 Remove the pressure gage (2).

 (4)
 Install blanking plugs on the pressure gage and the adapter.

 Pressure Gage
 Figure 401/TASK 29-11-21-991-001

R 1EFF : 001-001, 051-052, 1 29-11-21Page 404 1 1 May 01/05 1 1 1CES 1

 Pressure Gage Figure 401A/TASK 29-11-21-991-001-A
R 1EFF : 002-049, 053-099, 101-149, 151-199, 1 29-11-21Page 405 1201-299, 301-399, 401-499, 1Aug 01/05 1 1 1CES 1 TASK 29-11-21-400-001

 Installation of the Accumulator-Air Pressure Gage (1072GM)
 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 access platform 2.8 m (9 ft. 2 in.)
 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 0.8 mm
 (0.032 in.)
R Material No. 02-003  F NSA 307110 TYPE 4 HYDRAULIC FLUID (PHOSPHATE ESTER BASE) (Ref. 20-31-00)
 Material No. 05-004  USA MIL-L-25567 TYPE I
 OXYGEN LEAK DETECTOR (Ref. 20-31-00)

 C. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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 12-14-29-614-001 Fill the Hydraulic Power Accumulators 1070GM/2070GM/3070GM with Nitrogen 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 29-10-00-863-001 Pressurize the Green Hydraulic System 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 29-14-00-614-002 Pressurization of the Hydraulic Reservoirs through
　
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