2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
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REFERENCE QTY DESIGNATION
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No specific warning notices
No specific container 2.0 l (0.5283 USgal)
B. Consumable Materials
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REFERENCE DESIGNATION
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No specific lockwire, corrosion-resistant steel, dia. 0.8 mm
(0.032 in.)
R Material No. 02-003 F NSA 307110 TYPE 4 HYDRAULIC FLUID (PHOSPHATE ESTER BASE) (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 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 29-14-00-614-002 Pressurization of the Hydraulic Reservoirs through
the Ground Connector 71-00-00-710-001 Dry Motoring Check 71-13-00-010-040 Opening of the Fan Cowl Doors 71-13-00-410-040 Closing of the Fan Cowl Doors 29-10-00-991-002 Fig. 401
3. Job Set-up
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Subtask 29-10-00-860-083
A. Aircraft Maintenance Configuration
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
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(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 Green hydraulic system:
-in the cockpit on the hydraulic section 40VU of the overhead panel, - on the ground service panel of the Green hydraulic system.
(3)
Make sure that the Green hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(4)
Depressurize the reservoir of the Green hydraulic system (Ref. TASK 29-14-00-614-001).
Subtask 29-10-00-010-057
B. Open the left fan cowl door of the left (No. 1) engine (Ref. TASK 71-13-00-010-040).
Subtask 29-10-00-941-050
C. Put a container in position under the filter to collect the hydraulic fluid.
4. Procedure
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(Ref. Fig. 401/TASK 29-10-00-991-002) Subtask 29-10-00-040-050
A. Deactivation of the Case Drain Filter (1084GM)
(1)
Remove and discard the lockwire between the filter bowl (3) and the filter head (1).
(2)
Remove the filter bowl (3) together with the filter element (2). NOTE : You may have to pull the filter element (2) to release it from
____
the filter head (1).
(3)
Discard the filter element (2).
(4)
Clean the filter bowl (3) and apply HYDRAULIC FLUIDS (Material No. 02-003) to its threads.
(5)
Install the filter bowl (3) in the filter head (1) and tighten it with your hands.
(6)
Safety the filter bowl (3) to the filter head (1) with lockwire, corrosion-resistant steel, dia. 0.8 mm (0.032 in.).
(7)
If the red clogging indicator is out, push it in to set it again. Subtask 29-10-00-860-084
B.
Preparation for the Test
(1)
Make sure that the content of the reservoir of the Green hydraulic system is correct. Add fluid as necessary (Ref. TASK 12-12-29-611-001) or (Ref. TASK 12-12-29-611-002).
(2)
Pressurize the reservoir of the Green hydraulic system (Ref. TASK 29-14-00-614-002).
(3)
Remove the warning notice(s).
(4)
Remove the container. Subtask 29-10-00-710-051
C.
Test
(1)
Dry-motor the left (No. 1) engine (Ref. TASK 71-00-00-710-001).
(2)
Make sure that there are no hydraulic leaks from the filter assembly, and that the clogging indicator stays in.
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