R (2151GN), Pressure Transducer (2065GN) and the associated Indicating System of the Blue Hydraulic System 29-12-17-991-001 Fig. 401
3. Job Set-up
__________
Subtask 29-12-17-860-052
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 Blue hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(3)
Make sure that the reservoir of the Blue hydraulic system is depressurized. (Ref. TASK 29-14-00-614-001).
(4)
Make sure that the access panel 195BB is open.
(5)
Make sure that the container is in position.
(6)
Make sure that the warning notices are 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.
Subtask 29-12-17-865-053
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------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 29-12-17-991-001) Subtask 29-12-17-420-050
A. Installation of the Electric Pump Pressure Switch
(1)
Clean the component interface and/or the adjacent area.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Lubricate the new O-ring (3) with HYDRAULIC FLUIDS (Material No. 02-003)
(4)
Remove the blanking plugs from the ports of the manifold.
(5)
Put the new O-ring (3) in position on the pressure switch (2).
(6)
Install the pressure switch (2) in the T-fitting (4) and TORQUE it to between 3.186 and 3.470 m.daN (23.49 and 25.58 lbf.ft)
(7)
Safety the pressure switch (2) with lockwire 0.8 mm (0.032 in.).
(8)
Remove the blanking cap from the electrical connector (1).
(9)
Make sure that the electrical connectors are clean and in the correct condition.
(10)
Connect the electrical connector (1). Subtask 29-12-17-865-052
B.
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 2701GJ, 2702GJ
Subtask 29-12-17-860-051
C. Preparation for the Test
(1)
Remove the warning notices from the ground service panel and from the overhead panel.
(2)
Pressurize the reservoir of the Blue hydraulic system (Ref. TASK 29-14-00-614-002).
(3)
Pressurize the Blue hydraulic system with the electric pump (Ref. TASK 29-10-00-863-003).
Subtask 29-12-17-710-050
D. Test
(1)
Do the operational test of the hydraulic pressure indicating-system (Ref. TASK 29-32-00-710-002).
(2)
Examine the connection of the pressure switch and make sure that there are no leaks.
(3)
Depressurize the Blue hydraulic system (Ref. TASK 29-10-00-864-003).
5. Close-up
________ Subtask 29-12-17-860-053
A. Put the aircraft back to the serviceable condition.
(1) Remove the container.
(2)
Remove the warning notice(s). Subtask 29-12-17-410-050
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.
DETECTOR - PHASE UNBALANCE BLUE ELECTRIC PUMP (2707GJ) - REMOVAL/INSTALLATION
_____________________________________________________________________________ TASK 29-12-18-000-001 Removal of the Blue Electric Pump Phase-Unbalance Detector (2707GJ)
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
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