(2)
Make sure the check valve (4) and the coupling nuts (1), (3) and (5) do not leak.
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Subtask 29-12-37-864-057
F. Depressurize the Hydraulic Systems
(1) Depressurize the Blue hydraulic system (Ref. TASK 29-10-00-864-003).
5. Close-up
________
Subtask 29-12-37-865-058
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1 6CV B07 121VU FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2 8CV Q21
Subtask 29-12-37-410-051
B. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
R (2) Install the applicable access panel:
-
FOR 2170GM R install 575DB (Ref. TASK 57-51-37-400-004)
-
FOR 2405GM R install 675DB (Ref. TASK 57-51-37-400-004).
Subtask 29-12-37-865-059
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 6CV, 8CV.
Subtask 29-12-37-866-051
D. Aircraft Configuration
(1)
Retract the flaps fully (Ref. TASK 27-50-00-866-009).
(2)
Put the No. 3 spoiler back to the servicable condition (Ref. TASK 27-60-00-866-002).
(3)
On the servo-control, make sure that the pointer on the hex. head is
opposite the letter '0' on the housing. Subtask 29-12-37-942-051
E. Removal of Equipment
(1)
Install the safety collar on the circuit breakers 10CV and 12CV.
(2)
Remove the safety barriers.
(3)
Remove the warning notice(s).
(4)
Remove the access platform(s).
(5)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
CHECK VALVE-RAT DELIVERY - REMOVAL/INSTALLATION
_______________________________________________ TASK 29-12-38-000-001 Removal of the Check Valve (2055GM)
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 5.0 l (1.3208 USgal)
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 29-12-38-991-001 Fig. 401
3. Job Set-up
__________ Subtask 29-12-38-865-050
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
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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)
Open the access door 195BB.
(6)
Put a container below the check valve (2055GM).
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