3. Job Set-up
__________
Subtask 29-13-33-860-051
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 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)
Make sure that the reservoir of the Yellow hydraulic system is depressurized (Ref. TASK 29-14-00-614-001).
(5)
Make sure that the access door 198CB and the access panel 196BB are open.
(6)
Make sure that the container is in position below the PTU manifold.
(7)
Make sure that the isolation coupling of the Power Transfer Unit (PTU) is disconnected (Ref. TASK 29-23-00-860-001).
Subtask 29-13-33-865-051
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 POWER/Y 3803GX N30 121VU HYDRAULIC/HYD/QTY/IND 1831GQ P35 123VU Y HYD/ELEC/PUMP 3802GX AB06 123VU Y HYD/ELEC/ELEC PUMP/NORM 3801GX AB03
1EFF : ALL 1 29-13-33Page 408 1 1 May 01/04R 1 1 1CES 1
4. Procedure
_________
**ON A/C 001-049, 051-058, 101-101,
(Ref. Fig. 401/TASK 29-13-33-991-001) R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
(Ref. Fig. 401A/TASK 29-13-33-991-001-B)
**ON A/C 001-049, 051-058, 101-101,
Subtask 29-13-33-560-050
A. Preparation for Installation
(1)
Remove the blanking plugs from the PTU manifold and the priority valve (1).
(2)
Apply HYDRAULIC FLUIDS (Material No. 02-003) to the O-rings (4), the back-up rings (7), (8) and the square-section seals (6).
(3)
Position the new back-up rings (7) on the sides of the bobbins (5) without the identification grooves (equipment side).
(4)
Position the new square-section seals (6) on the sides of the bobbins
(5) without the identification grooves (equipment side).
(5)
Position the new back-up rings (8) on the sides of the bobbins (5) with the identification grooves (manifold side).
(6)
Position the new O-rings (4) 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).
R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
Subtask 29-13-33-560-050-A
A. Preparation for Installation
(1)
Remove the blanking plugs from the PTU manifold and the priority valve (1).
(2)
Apply HYDRAULIC FLUIDS (Material No. 02-003) to the O-rings (4), the back-up rings (7), (8) and the square-section seals (6).
(3)
Position the new back-up rings (7) on the sides of the bobbins (5) without the identification grooves (equipment side).
(4)
Position the new square-section seals (6) on the sides of the bobbins
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