(3)
Pressurize the Blue hydraulic system (Ref. TASK 29-10-00-863-003).
(4)
Examine the connections of pulsation dampener (3) and make sure that there are no leaks.
(5)
Depressurize the Blue hydraulic system (Ref. TASK 29-10-00-864-003).
5. Close-up
________ Subtask 29-12-46-942-050
A. Put the aircraft back to the serviceable condition.
(1)
Remove the container.
(2)
Remove the warning notice(s).
Subtask 29-12-46-410-050
B. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the access panel 195BB.
PUMP - ELECTRIC, BLUE (2075GJ) - REMOVAL/INSTALLATION
_____________________________________________________
TASK 29-12-51-000-001
Removal of the Electric Pump (2075GJ)
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______ START A TASK ON OR NEAR:
-
THE FLIGHT CONTROLS
-
THE FLIGHT CONTROL SURFACES
-
THE LANDING GEAR AND THE RELATED DOORS
-COMPONENTS THAT MOVE.
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES ARE
_______ CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
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 29-12-51-991-001 Fig. 401
3. Job Set-up
__________ Subtask 29-12-51-010-050
A. Open the access door 195BB. Subtask 29-12-51-860-050
B. 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 under the electric pump. Subtask 29-12-51-865-050
C.
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
4. Procedure_________
(Ref. Fig. 401/TASK 29-12-51-991-001)
Subtask 29-12-51-020-050
A. Removal of the Electric Pump
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.
R R NOTE : You will need a second person to hold the pump while you remove____ the nuts (14). The pump weighs approximately 15 Kg (33 lb.).
R (1) Cut and remove the lockwire from the electrical connector (9).
(2) Disconnect the electrical connector (9) from the pump (6).
(3) Install blanking caps on the electrical connector (9) and the receptacle.
(4) Remove the clamp (7) and disconnect the air hose (8) from the pump (6).
R (5) Remove the access panel 195AB with the air hose (8).
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