R No specific flashlight No specific spillage container No specific access platform 2.10 m (6 ft. 11 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R 25-55-11-000-001 Removal of the AFT Cargo-Compartment Partition FR47 25-55-11-000-002 Removal of the Ceiling Panels in the AFT Cargo Compartment - FR47/FR59 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 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 29-23-00-860-001 Disconnection of the Isolation Coupling of the Power
Transfer Unit (PTU) 52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump 52-36-13-991-001 Fig. 401
1EFF : ALL 1 52-36-13Page 401 1 1 May 01/04 1 1 1CES 1
3. Job Set-up
__________
**ON A/C 001-049, 051-099, 101-149, 201-299,
Subtask 52-36-13-010-050
A. Get Access
(1)
Open the AFT cargo compartment door (referred to as cargo door) and install the actuator safety locks (Ref. TASK 52-30-00-860-001).
(2)
Put the access platform in position below the opened cargo door.
(3)
Remove the ceiling panel 151AC to get access to the double check valve at FR47 (Ref. TASK 25-55-11-000-002).
R **ON A/C 151-199, 401-499,
Subtask 52-36-13-010-050-A
A. Get Access
(1)
Open the AFT cargo compartment door (referred to as cargo door) and install the actuator safety locks (Ref. TASK 52-30-00-860-001).
(2)
Put the access platform in position below the opened cargo door.
(3)
Remove the ceiling panel 151EC to get access to the double check valve at FR47 (Ref. TASK 25-55-11-000-002).
**ON A/C 301-399,
Subtask 52-36-13-010-050-B
A. Get Access
(1)
Open the AFT cargo compartment door (referred to as cargo door) and install the actuator safety locks (Ref. TASK 52-30-00-860-001).
(2)
Put the access platform in position below the opened cargo door.
1EFF : ALL 1 52-36-13Page 402 1 1 Aug 01/05 1 1 1CES 1 1EFF : ALL 1 52-36-13Page 403 1 1 May 01/04 1 1 1CES 1
R R (3) Remove the partition panel 151AW to get access to the double check valve at FR47 (Ref. TASK 25-55-11-000-001).
R R NOTE : Be careful, in the space between FR47 and FR47.2 there is no____ light and no floor panels. Therefore use a flashlight.
**ON A/C ALL
Subtask 52-36-13-865-050
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/HYD POWER/Y 3803GX N30 122VU DOORS/CARGO 1MJ T12 123VU Y HYD/ELEC/PUMP 3802GX AB06 123VU Y HYD/ELEC/ELEC PUMP/NORM 3801GX AB03
Subtask 52-36-13-860-051
C. Aircraft Maintenance Configuration
(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) Depressurize the reservoir of the Yellow hydraulic system (Ref. TASK 29-14-00-614-001).
(4) Disconnect the isolation coupling of the Power Transfer Unit (PTU) (Ref. TASK 29-23-00-860-001).
(5) Put the warning notices 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.
4. Procedure
_________ (Ref. Fig. 401/TASK 52-36-13-991-001) Subtask 52-36-13-020-050
A. Removal of the Double Check Valve CAUTION : USE A SECOND WRENCH TO APPLY COUNTERTORQUE TO THE UNION WHEN
_______ YOU DISCONNECT/CONNECT HYDRAULIC LINES ON UNIONS. IF YOU USE THE SECOND WRENCH, YOU WILL NOT LOOSEN OR TIGHTEN THE UNION TOO MUCH.
(1)
Cut and discard the tie-wraps (4) and remove the spray cover halves (3),(5) from the hydraulic connections of the double check valve (6).
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