(4)
Loosen the pipe end-fitting (26) and disconnect the pipe (27) from the union (25).
(5)
Loosen the pipe end-fitting (22) and disconnect the pipe (23) from the union (21).
(6)
Hold the manifold (1) and remove the bolts (6) and washers (7).
(7)
Remove the manifold (1).
(8)
Install blanking plugs in all pipe connections and on the unions.
1EFF : ALL 1 29-19-41Page 414 1 1 Nov 01/04R 1 1 1CES 1
TASK 29-19-41-400-002
Installation of the Ground Leakage-Measurement Manifold (2146GM) of the Blue 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 container
No specific plastic or wooden scraper
No specific warning notices
No specific Torque Wrench : range 0.20 to 3.60 m.daN
(2.00
to 26.00 lbf.ft) No specific Torque Wrench : range 1.00 to 10.00 m.daN
(8.00 to 75.00 lbf.ft)
B.
Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R Material No. 02-003 F NSA 307110 TYPE 4 HYDRAULIC FLUID (PHOSPHATE ESTER BASE) (Ref. 20-31-00)
Material No. 09-018 USA AMS 3267/3
CORROSION INHIBITING LOW ADHESION SEALANT
(Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
12-12-29-611-001 Fill the Hydraulic Fluid Reservoir with a Hand Pump 12-12-29-611-002 Fill the Hydraulic Fluid Reservoir with a Hydraulic Service Cart 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 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
R 29-10-00-863-003 Pressurize the Blue Hydraulic System with a Ground
R Power Supply 29-10-00-864-003 Depressurize the Blue Hydraulic System 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 29-14-00-614-002 Pressurization of the Hydraulic Reservoirs through the Ground Connector 29-19-41-991-002 Fig. 402
3. Job Set-up
__________
Subtask 29-19-41-860-062
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 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.
(5)
Make sure that the access door 195BB is open.
(6)
Make sure that the container is in position below the manifold (2146GM) to collect unwanted fluid.
Subtask 29-19-41-865-054
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 121VU HYDRAULIC/SOL VALVES/G/Y/B/LEAK/TST 123VU B HYD/ELEC PUMP
4. Procedure
_________ (Ref. Fig. 402/TASK 29-19-41-991-002) R Subtask 29-19-41-910-051 R A. Preparation for Installation
2702GJ C12
1881GP N35
2701GJ AB09
(1)
Remove the sealant from the mating surface of the manifold (1) and the aircraft structure with a plastic or wooden scraper.
(2)
Examine the structure of the aircraft in the area of the manifold attachment for cracks, corrosion or other damage.
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