(4)
Depressurize the reservoir of the Blue hydraulic system (Ref. TASK 29-14-00-614-001).
(5)
Put the container below the filter to collect any hydraulic fluid. Subtask 29-12-43-010-050
C.
Open the access panel 195BB
4. Procedure
_________
(Ref. Fig. 301/TASK 29-12-43-991-001) Subtask 29-12-43-020-050
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).
(4)
Discard the filter element (2). NOTE : It is possible that the filter element (2) stays in the filter
____ head (1) and it is necessary to pull it out.
Subtask 29-12-43-560-050
B. Preparation for Installation
(1) Do a check of the correct condition and installation of the O-ring (5).
NOTE : The O-ring (5) is part of the filter element (2).
____
(2)
Lubricate the O-ring (5) in the new filter element (2) with HYDRAULIC FLUIDS (Material No. 02-003).
(3)
Lubricate the threads of the filter bowl (3) with HYDRAULIC FLUIDS (Material No. 02-003).
(4)
If the red clogging indicator (4) is out, push it in to set it again.
1EFF : ALL 1 29-12-43Page 303 1 1 Aug 01/04R 1 1 1CES 1
R Electric Pump Case Drain Filter Figure 301/TASK 29-12-43-991-001
1EFF : 1 1 1CES ALL 1 111 29-12-43 Page 304 Feb 01/05
Subtask 29-12-43-420-050
C. Installation of the Filter Element
(1)
Clean the component interface and/or the adjacent area.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Do a check of the filter element (2) and make sure that it is clean and not damaged.
R (4) Install the filter element (2), together with its O-ring (5) in the R filter bowl (3).
(5) Engage the filter bowl (3) in the filter head (1) and tighten it. NOTE : Tighten the filter bowl with your hands only.
____
Subtask 29-12-43-865-051
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 2701GJ, 2702GJ
Subtask 29-12-43-790-050
E. Test of the Filter
(1)
Remove the warning notice from the ground service panel of the Blue hydraulic system.
(2)
Remove the warning notice from the overhead panel.
(3)
Pressurize the Blue hydraulic reservoir (Ref. TASK 29-14-00-614-002).
(4)
Pressurize the Blue hydraulic system. (Ref. TASK 29-10-00-863-003)
(5)
Make sure that no hydraulic fluid comes out of the filter assembly.
(6)
Make sure that the red clogging indicator stays in.
(7)
Depressurize the Blue hydraulic system. (Ref. TASK 29-10-00-864-003)
5. Close-up
________ Subtask 29-12-43-860-051
A. Put the aircraft back to the serviceable condition.
(1)
Safety the filter bowl (3) to the filter head (1) with lockwire 0.8 mm (0.032 in.).
(2)
Make sure that the fluid level in the reservoir of the Blue hydraulic system is correct. Add fluid as necessary (Ref. TASK 12-12-29-611-001).
(3)
Remove the container from below the filter. Subtask 29-12-43-410-050
B.
Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the access panel 195BB.
TASK 29-12-43-960-001 Replacement of the Clogging Indicator WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______
GEAR.
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES ARE
_______
CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
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