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 plugs
No specific circuit breaker(s) safety clip(s)
No specific warning notices
No specific container 1.0 l (0.2641 USgal)
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
20-23-21-911-001 Removal/Installation of the Bobbins from their Housings and Installation of O-rings, Square Seals, and Back-up Rings on the Bobbins
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
R **ON A/C 001-049, 051-058, 101-101,
29-12-32-991-001 Fig. 401 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
29-12-32-991-001-A Fig. 401A
**ON A/C ALL
3. Job Set-up
__________
Subtask 29-12-32-865-050
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU HYD/HYD PWR/B WARN/& CTL 2702GJ C12 123VU B HYD/ELEC PUMP 2701GJ AB09
Subtask 29-12-32-010-050
B. Get Access
(1) Open the access door 197EB.
(2)
Open the access panel 195BB.
Subtask 29-12-32-860-050
C.
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 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.
(3)
Make sure that the Blue hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(4)
Depressurize the reservoir of the Blue hydraulic system (Ref. TASK 29-14-00-614-001).
(5)
Put a container below the HP manifold of the Blue hydraulic system.
4. Procedure
_________
**ON A/C 001-049, 051-058, 101-101,
(Ref. Fig. 401/TASK 29-12-32-991-001) R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
(Ref. Fig. 401A/TASK 29-12-32-991-001-A)
**ON A/C ALL
Subtask 29-12-32-020-051
A. Removal of the Pressure Relief Valve
(1)
Remove the nut (9), the bolt (6) and the washer (7) and disconnect the bonding jumper (8).
(2)
Hold the pressure relief valve (1) and remove the bolts (2) and the washers (3).
(3)
Remove the pressure relief valve (1).
(4)
Remove the bobbins (5) (Ref. TASK 20-23-21-911-001).
(5)
Install the blanking plugs in the ports of the pressure relief valve
(1) and in the HP manifold.
Pressure Relief Valve
Figure 401/TASK 29-12-32-991-001
R 1EFF : 001-049, 051-058, 101-101, 1 29-12-32Page 404 1 1 May 01/05 1 1 1CES 1
Pressure Relief Valve Figure 401A/TASK 29-12-32-991-001-A
R 1EFF : 059-099, 102-149, 151-199, 201-299, 1 29-12-32Page 405 1301-399, 401-499, 1Aug 01/05 1 1 1CES 1 TASK 29-12-32-400-001
Installation of the Pressure Relief Valve of the Blue Hydraulic System (2063GM)
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
______________________
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