DAMPENER - HYDRAULIC PULSATION BLUE ELECTRIC PUMP (2092GM)
__________________________________________________________ REMOVAL/INSTALLATION
____________________
TASK 29-12-46-000-001
Removal of the Pulsation Dampener (2092GM) of the Blue Hydraulic System
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
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking plugs No specific circuit breaker(s) safety clip(s) No specific container No specific warning notices
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 29-12-46-991-001 Fig. 401
3. Job Set-up
__________ Subtask 29-12-46-865-050
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 29-12-46-010-050
B. Open the access panel 195BB. Subtask 29-12-46-860-050
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 in position below the pulsation dampener 2092GM.
4. Procedure
_________ (Ref. Fig. 401/TASK 29-12-46-991-001) Subtask 29-12-46-020-050
A. Removal of the Pulsation Dampener 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)
Loosen the pipe end-fitting (2) and disconnect the hose (1) from the pulsation dampener (3).
(2)
Loosen the pipe end-fitting (5) and disconnect the hose (6) from the pulsation dampener (3).
(3)
Hold the pulsation dampener (3) and remove the nut (4).
(4)
Remove the pulsation dampener (3).
(5)
Put blanking plugs on the disconnected line ends.
Hydraulic Pulsation Dampener
Figure 401/TASK 29-12-46-991-001
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TASK 29-12-46-400-001
Installation of the Pulsation Dampener (2092GM) of the Blue Hydraulic System
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
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific container
No specific plastic or wooden scraper
No specific warning notices
No specific Torque Wrench : range 1.00 to 10.00 m.daN
(8.00 to 75.00 lbf.ft)
B. Consumable Materials
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