(3)
If the clogging indicator comes out, push it in to set it again. If it will not stay in, do the trouble-shooting of the filter assembly to find the cause.
(4)
Stop the operation of the left (No. 1) engine (Ref. TASK 71-00-00-710-001).
Case Drain Filters of the Engine Driven Pumps
Figure 401/TASK 29-10-00-991-002
1EFF : ALL 1 29-10-00 Page 404
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5. Close-up
________ Subtask 29-10-00-410-057
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the left fan cowl door of the left (No. 1) engine (Ref. TASK 71-13-00-410-040).
TASK 29-10-00-440-001
Reactivation of the Case Drain Filter (1084GM) of the Engine Driven Pump of the Green Hydraulic System
1. Reason for the Job
__________________
Refer to the MMEL TASK: 29-10-07
Main Hydraulic Power - Filters
Case Drain Filters
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific warning notices
No specific container 2.0 l (0.5283 USgal)
B. Consumable Materials
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
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
R 29-10-00-991-002 Fig. 401
3. Job Set-up
__________
Subtask 29-10-00-860-085
A. 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 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 29-10-00-010-058
B. Open the left fan cowl door of the left (No. 1) engine (Ref. TASK 71-13-00-010-040).
Subtask 29-10-00-941-051
C. Put a container in position under the filter to collect the hydraulic fluid.
4. Procedure_________
(Ref. Fig. 401/TASK 29-10-00-991-002)
Subtask 29-10-00-440-050
A. Reactivation of the Case Drain Filter (1084GM)
R R (1) Do the troubleshooting of the system to find the cause of the clogged filter and do the applicable corrective action.
(2) Remove and discard the lockwire between the filter bowl (3) and the filter head (1).
(3) Remove the filter bowl (3).
(4) Make sure that the O-ring (4) is correctly installed on the new filter element (2).
(5) Apply HYDRAULIC FLUIDS (Material No. 02-003) to the O-ring (4) and to the threads of the filter bowl (3).
(6) Do a check of the filter element (2) and make sure that it is clean and not damaged.
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