C. Expendable Parts
 -------------------------------------------------------------------------------
FIG.ITEM |DESIGNATION  |IPC-CSN
 -------------------------------------------------------------------------------
4 back-up rings 29-11-14 02B-260 10 square-section seals 29-11-14 02B-280 11 back-up rings 29-11-14 02B-270 12 O-rings 29-11-14 02B-250
 D. 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
 20-23-21-911-001  Removal/Installation of the Bobbins from their Housings and Installation of O-rings, Square Seals, and Back-up Rings on the Bobbins
 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 29-10-00-864-001 Depressurize 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
 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)
 32-12-00-010-001 Open the Main Gear Doors for Access
 32-12-00-410-001 Close the Main Gear Doors after Access

 **ON A/C 001-049, 051-058, 101-101,
 29-11-32-991-001  Fig. 401
R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
 29-11-32-991-001-A  Fig. 401A **ON A/C ALL

 3. Job Set-up
__________ Subtask 29-11-32-860-051
 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 in position to tell persons not to pressurize the Green hydraulic system:

 -in the cockpit on 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 access door 197CB is open.

 (6)
 Make sure that one of the main doors of the main gear is open (Ref. TASK 32-12-00-010-001).

 (7)
 Make sure that the access platform is in position at the main door of the main gear.

 (8)
 Make sure that the container is in position below the HP manifold.

 (9)
 Make sure that the isolation coupling of the power transfer unit (PTU) is disconnected (Ref. TASK 29-23-00-860-001).

 1EFF : ALL 1 29-11-32Page 409 1 1 Nov 01/00R 1 1 1CES 1

 Subtask 29-11-32-865-051
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/G HYD/PUMP ENG1/CTL 1701GK R35 121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
 4. Procedure
_________
 **ON A/C 001-049, 051-058, 101-101,

 (Ref. Fig. 401/TASK 29-11-32-991-001) R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
 (Ref. Fig. 401A/TASK 29-11-32-991-001-A)
 **ON A/C ALL

 Subtask 29-11-32-560-050
 A. Preparation of the Relief Valve before Installation
 (1)
 Remove the blanking plugs from the ports of the pressure relief valve

 (1) and the HP manifold.

 (2)
 Apply HYDRAULIC FLUIDS (Material No. 02-003) to the new O-rings (12), the back-up rings (4), the back-up rings (11) and the square-section seals (10).

 (3)
 Put the back-up rings (11) in position on the sides of the bobbins

 (5) without the identification groove (equipment side).

 (4)
 Put the square-section seals (10) in position on the sides of the bobbins (5) without the identification groove (equipment side).

 (5)
 Put the back-up rings (4) in position on the sides of the bobbins (5) with the identification groove (manifold side).
　
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