**ON A/C 001-049, 051-058, 101-101,
29-12-33-991-001 Fig. 401
R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
29-12-33-991-001-A Fig. 401A **ON A/C ALL
3. Job Set-up
__________
Subtask 29-12-33-860-051
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 Blue 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 Blue hydraulic system is depressurized. (Ref. TASK 29-14-00-614-001).
(4)
Make sure that the access panel 195BB is open.
(5)
Make sure that the container is in position below the HP manifold.
(6)
Make sure that the warning notices are in position to tell persons not to pressurize the Blue hydraulic system:
-in the cockpit on the hydraulic section 40VU of the overhead panel, - on the ground service panel of the Blue hydraulic system.
Subtask 29-12-33-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU HYD/HYD PWR/B WARN/& CTL 2702GJ C12 121VU HYDRAULIC/LOW/LVL/IND 1832GQ N32 121VU HYDRAULIC/HYD/QTY/IND 1831GQ P35 123VU B HYD/ELEC PUMP 2701GJ AB09
1EFF : ALL 1 29-12-33Page 408 1 1 Feb 01/01R 1 1 1CES 1
4. Procedure
_________
**ON A/C 001-049, 051-058, 101-101,
(Ref. Fig. 401/TASK 29-12-33-991-001) R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
(Ref. Fig. 401A/TASK 29-12-33-991-001-A)
**ON A/C ALL
Subtask 29-12-33-560-050
A. Preparation for Installation
(1)
Remove the blanking plugs from the HP manifold and the priority valve (1).
(2)
Apply HYDRAULIC FLUIDS (Material No. 02-003) to the new:
-back-up rings (8), (7),
-O-rings (4) and
-square-section seals (6).
(3)
Put the two new back-up rings (7) in position on the sides of the bobbins (5) without the identification grooves (equipment side).
(4)
Put the two new square-section seals (6) in position on the sides of the bobbins (5) without the identification grooves (equipment side).
(5)
Put the two new back-up rings (8) in position on the sides of the bobbins (5) with the identification grooves (manifold side).
(6)
Put the two new O-rings (4) in position on the sides of the bobbins
(5) with the identification grooves (manifold side).
(7)
Install the two bobbins (5) with the identification grooves in the ports of the manifold (Ref. TASK 20-23-21-911-001).
Subtask 29-12-33-420-050
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 0.80 and 0.90 m.daN (70.79 and 79.64 lbf.in).
Subtask 29-12-33-790-050
C. Test
(1)
Pressurize the reservoir of the Blue hydraulic system (Ref. TASK 29-14-00-614-001).
(2)
Make sure that the fluid level in the reservoir of the Blue hydraulic system is correct. Add fluid as necessary (Ref. TASK 12-12-29-611-001).
(3)
Remove the warning notices from the cockpit and the ground service panel.
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