(11)
Close the access door 198CB.
1EFF : ALL 1 29-13-14Page 425 1 1 May 01/04R 1 1 1CES 1
Subtask 29-13-14-865-053
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1841GN, 1881GP, 3801GX, 3802GX, 3803GX MANIFOLD - PTU (3013GM) - REMOVAL/INSTALLATION
______________________________________________
TASK 29-13-15-000-001
Removal of the Power Transfer Unit (PTU) Manifold of the Yellow Hydraulic
System
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______
GEAR.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific blanking caps
No specific blanking plugs
No specific circuit breaker(s) safety clip(s)
No specific warning notices
No specific access platform 2.4 m (7 ft. 10 in.)
No specific container 4.0 l (1.0566 USgal)
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
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)
32-12-00-010-001 Open the Main Gear Doors for Access
R **ON A/C 001-049, 051-058, 101-101,
29-13-15-991-001-A Fig. 401 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
29-13-15-991-001-C Fig. 401A
**ON A/C ALL
3. Job Set-up
__________
Subtask 29-13-15-865-050
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/HYD POWER/Y 3803GX N30 123VU Y HYD/ELEC/PUMP 3802GX AB06 123VU Y HYD/ELEC/ELEC PUMP/NORM 3801GX AB03
Subtask 29-13-15-860-052
B. Aircraft Maintenance Configuration
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Put 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.
(3)
Make sure that the Yellow hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(4)
Depressurize the reservoir of the Yellow hydraulic system (Ref. TASK 29-14-00-614-001).
(5)
Open the main doors of the main gear (Ref. TASK 32-12-00-010-001).
(6)
Put the access platform in position at the main doors of the main gear.
(7)
Put a container below the PTU manifold of the Yellow hydraulic system to collect unwanted hydraulic fluid.
(8)
Disconnect the isolation coupling of the Power Transfer Unit (PTU) (Ref. TASK 29-23-00-860-001).
4. Procedure
_________
**ON A/C 001-049, 051-058, 101-101,
(Ref. Fig. 401/TASK 29-13-15-991-001-A) R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
(Ref. Fig. 401A/TASK 29-13-15-991-001-C)
**ON A/C 001-049, 051-058, 101-101,
Subtask 29-13-15-020-050-A
A. Removal of the PTU Manifold 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)
Disconnect the electrical connector (29) from the PTU solenoid valve 3012GL.
(2)
Put blanking caps on the disconnected electrical connectors.
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