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,
29-11-15-991-001 Fig. 401 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
29-11-15-991-001-A Fig. 401A
**ON A/C ALL
3. Job Set-up
__________
Subtask 29-11-15-865-050
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/G HYD/PUMP ENG1/CTL 1701GK R35 121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
Subtask 29-11-15-860-052
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 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.
(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)
Depressurize the reservoir of the Green hydraulic system (Ref. TASK 29-14-00-614-001).
(5)
Open one of 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 Green 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 29-11-15-991-001) R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
(Ref. Fig. 401A/TASK 29-11-15-991-001-A)
**ON A/C 001-049, 051-058, 101-101,
Subtask 29-11-15-020-050
A. Removal of the 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 connectors (29),(36).
(2)
Put blanking caps on the disconnected electrical connectors.
(3)
Remove the nut (48), the bolt (44) and the washer (45) and disconnect the bonding jumper (46) from the structural attachment (47).
(4)
Remove the nut (53), the bolt (49) and the washer (50) and disconnect the bonding jumper (51) from the structural attachment (52).
(5)
Loosen the pipe end-fittings (8),(40) and remove the pipe (7).
(6)
Loosen the pipe end-fittings (33),(42) and remove the pipe (32).
PTU Manifold
Figure 401/TASK 29-11-15-991-001
R 1EFF : 001-049, 051-058, 101-101, 1 29-11-15Page 404 1 1 May 01/05 1 1 1CES 1
PTU Manifold
Figure 401A/TASK 29-11-15-991-001-A
R 1EFF : 059-099, 102-149, 151-199, 201-299, 1 29-11-15Page 405 1301-399, 401-499, 1Aug 01/05 1 1 1CES 1
(7)
Loosen the pipe end-fitting (2) and disconnect the pipe (1) from the union (3).
(8)
Loosen the pipe end-fittings (18),(54) and remove the pipe (17).
(9)
Loosen the pipe end-fitting (22) and disconnect the pipe (21) from the union (23).
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