FILTER - LP (2002GM) - SERVICING
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TASK 29-12-44-610-001
Servicing of the LP-Filter (2002GM)
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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Self Explanatory
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 warning notices
No specific container 3.0 l (0.7925 USgal)
No specific access platform 3.0 m (9 ft. 10 in.)
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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2 filter element 29-12-44 01 -030 3 O-ring 29-12-44 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 29-12-44-991-001 Fig. 301
3. Job Set-up
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Subtask 29-12-44-865-050
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 29-12-44-010-051
B. Open the access panel 197FB.
Subtask 29-12-44-860-052
C. 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 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.
(3)
Make sure that the Blue hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(4)
Depressurize the reservoir of the Blue hydraulic system (Ref. TASK 29-14-00-614-001).
(5)
Put the access platform in position.
(6)
Put the container below the filter to collect any hydraulic fluid.
4. Procedure
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(Ref. Fig. 301/TASK 29-12-44-991-001) Subtask 29-12-44-020-050
A. Removal of the Filter Element
(1)
Cut and remove the lockwire between the filter bowl (4) and the filter head (1).
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