FILTER - HP (2048GM) - SERVICING
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TASK 29-12-45-610-001
Servicing of the HP-Filter 2048GM
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
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GEAR.
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES ARE
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CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
1. Reason for the Job
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-Replace the filter element.
2. Job Set-up Information
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A. Fixtures, Tools, Test and Support Equipment
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REFERENCE QTY DESIGNATION
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No specific circuit breaker(s) safety clip(s)
No specific container
No specific hydraulic ground supply
No specific warning notices
No specific container 3.0 l (0.7925 USgal)
B. Consumable Materials
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REFERENCE DESIGNATION
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No specific lockwire 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. Expendable Parts
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FIG.ITEM |DESIGNATION |IPC-CSN
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filter element 29-13-45 01 -020
D. Referenced Information
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REFERENCE DESIGNATION
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12-12-29-611-001 Fill the Hydraulic Fluid Reservoir with a Hand Pump 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 29-12-45-991-001 Fig. 301
3. Job Set-up
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Subtask 29-12-45-865-050
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
Subtask 29-12-45-941-050
B. Put 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.
Subtask 29-12-45-010-051
C. Open the access panel 195BB. Subtask 29-12-45-860-052
D. 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)
Make sure that the Blue hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(3)
Depressurize the reservoir of the Blue hydraulic system (Ref. TASK 29-14-00-614-001).
(4)
Put the container below the filter to collect any hydraulic fluid.
4. Procedure
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(Ref. Fig. 301/TASK 29-12-45-991-001) Subtask 29-12-45-020-050
A. Removal of the Filter Element
(1)
Cut and remove the lockwire between the filter bowl (3) and the filter head (1).
(2)
Remove the filter bowl (3) together with the filter element (2).
(3)
Remove the filter element (2) from the filter bowl (3). Discard the filter element (2).
NOTE : It is possible that the filter element (2) will stay in the
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