14 back-up ring 52-36-04 04A-096
14 back-up ring 52-36-04 04B-096
16 back-up ring 52-36-04 04A-094
16 back-up ring 52-36-04 04B-094
17 square-section seal 52-36-04 04A-093
17 square-section seal 52-36-04 04B-093
D. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
20-21-11-911-001 20-23-21-911-001 20-28-00-912-002 Tightening Torques for Standard Threaded FastenersRemoval/Installation of the Bobbins from their Housings and Installation of O-rings, Square Seals, and Back-up Rings on the BobbinsElectrical Bonding of Components With Conductive Bolts and Screws in the Tanks
29-00-00-864-001 29-00-00-910-002 29-10-00-864-002 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 SystemDepressurize the Yellow Hydraulic SystemDepressurization of the Hydraulic ReservoirsPressurization of the Hydraulic Reservoirs through the Ground Connector
29-23-00-860-001 29-23-00-860-002 29-24-00-863-001 52-30-00-860-001 52-30-00-860-004 52-36-12-991-002 Disconnection of the Isolation Coupling of the Power Transfer Unit (PTU)Connection of the Isolation Coupling of the Power Transfer Unit (PTU)Pressurize the Yellow Hydraulic System with the Electric PumpOpen the FWD or AFT Cargo-Compartment Door with the Yellow Electric PumpClose the FWD or AFT Cargo-Compartment Door with the Hand PumpFig. 401
1EFF : ALL 1 52-36-12Page 406 1 1 Feb 01/05R 1 1 1CES 1
3. Job Set-up
__________
Subtask 52-36-12-860-054
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 Yellow 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 Yellow hydraulic system is depressurized. (Ref. TASK 29-14-00-614-001).
(4)
Make sure that the isolation coupling of the Power Transfer Unit (PTU) is disconnected (Ref. TASK 29-23-00-860-001).
(5)
Make sure that the warning notices are in position to tell persons not to pressurize the Yellow hydraulic system:
-In the cockpit on the hydraulic section 40VU of the overhead panel,
-On the ground service panel of the Yellow hydraulic system.
(6)
Put the spillage container below the double check valve 3717GM to collect hydraulic fluid.
(7)
Make sure that the access panel 198CB is opened.
Subtask 52-36-12-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/HYD POWER/Y 3803GX N30 122VU DOORS/CARGO 1MJ T12 123VU Y HYD/ELEC/PUMP 3802GX AB06
R 123VU Y HYD/ELEC/ELEC PUMP/NORM 3801GX AB03
1EFF : ALL 1 52-36-12Page 407 1 1 Feb 01/99 1 1 1CES 1
4. Procedure
_________
(Ref. Fig. 401/TASK 52-36-12-991-002) Subtask 52-36-12-860-053
A. Preparation of the Selector Valve before Installation
(1)
Clean the component interface and/or the adjacent area.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Prepare the bobbins (4) as follows:
(a)
Remove the O-ring (2), the back-up rings (3) and (5) and the square-section seal (6) from the bobbin (4).
(b)
Lubricate the the new O-ring (2), the new back-up ring (3), the new back-up ring (5) and the new square-section seal (6) with HYDRAULIC FLUIDS (Material No. 02-003).
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