**ON A/C 001-049, 051-058, 101-101,
29-11-33-991-001 Fig. 401
R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
29-11-33-991-001-A Fig. 401A **ON A/C ALL
3. Job Set-up
__________ Subtask 29-11-33-860-051
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 main doors of the main gear are open (Ref. TASK 32-12-00-010-001).
(6)
Make sure that the access platform is in position.
(7)
Make sure that a container is in position below the HP manifold of the Green hydraulic system.
(8)
Make sure that the isolation coupling of the power transfer unit (PTU) is disconnected (Ref. TASK 29-23-00-860-001).
1EFF : ALL 1 29-11-33Page 408 1 1 May 01/05R 1 1 1CES 1
Subtask 29-11-33-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/LOW/LVL/IND 1832GQ N32 121VU HYDRAULIC/HYD/QTY/IND 1831GQ P35 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 29-11-33-991-001)
R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
(Ref. Fig. 401A/TASK 29-11-33-991-001-A)
**ON A/C ALL
Subtask 29-11-33-560-050
A. Preparation for Installation
(1)
Remove the blanking plugs from the priority valve (1).
(2)
Apply HYDRAULIC FLUIDS (Material No. 02-003) to the new:
-back-up rings (4), (7),
-square-section seals (6) and
-O-rings (8).
(3)
Put the back-up rings (7) in position on the sides of the bobbins (5) without the identification grooves (equipment side).
(4)
Put the square-section seals (6) in position on the sides of the bobbins (5) without the identification grooves (equipment side).
(5)
Put the back-up rings (4) in position on the sides of the bobbins (5) with the identification grooves (manifold side).
(6)
Put the O-rings (8) in position on the sides of the bobbins (5) with the identification grooves (manifold side).
(7)
Install the bobbins (5) with the identification grooves in the ports of the manifold (Ref. TASK 20-23-21-911-001).
Subtask 29-11-33-420-050
B. Installation of the Priority Valve
(1)
Clean the component interface and/or the adjacent area.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Install the priority valve (1) on the manifold.
(4)
Install the bolts (2) and the washers (3).
(5)
TORQUE the bolts (2) to between 0.8 and 0.9 m.daN (70.79 and 79.64 lbf.in).
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