(2)
Make sure that the PTU isolation coupling is disconnected (Ref. TASK 29-23-00-860-002).
(3)
Make sure that the flight configuration precautions were obeyed (Ref. TASK 32-00-00-860-001).
(4)
Make sure that the Green hydraulic system is depressurized (Ref. TASK 29-10-00-864-001).
(5)
Make sure that the reservoir of the Green hydraulic system is depressurized (Ref. TASK 29-14-00-614-001).
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Subtask 32-42-12-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/BRAKING AND STEERING/SYS2/SPLY 4GG M36 121VU HYDRAULIC/BRAKING AND STEERING/SYS2/CTL 3GG M35 121VU HYDRAULIC/BRAKING AND STEERING/SYS1/CTL 1GG M34 121VU HYDRAULIC/BRAKING AND STEERING/SYS1/IND AND/SPLY 2GG M33 121VU HYDRAULIC/G HYD/PUMP ENG1/CTL 1701GK R35 121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
Subtask 32-42-12-560-050
C. Preparation of the Replacement Component (Ref. Fig. 401/TASK 32-42-12-991-001)
(1) Remove the unions (2) from the removed hydraulic brake filter (4).
(2) Remove and discard the packings (3).
R R R R R (3) Apply HYDRAULIC FLUIDS (Material No. 02-003), HYDRAULIC FLUIDS (Material No. 02-003A), HYDRAULIC FLUIDS (Material No. 02-003B), HYDRAULIC FLUIDS (Material No. 02-003C) or HYDRAULIC FLUIDS (Material No. 02-003D) to the new packings (3) and the threads of the unions (2).
(4) Install the packings (3) on the unions (2).
(5) Install the unions (2) in the new hydraulic brake filter (4) and TORQUE them to between 3.186 and 3.470 m.daN (23.49 and 25.58 lbf.ft).
Subtask 32-42-12-560-053
D. Preparation for Installation
(1) Clean the component interface and/or the adjacent area.
(2) Make sure that the parts retained from the removed component are clean and in the correct condition.
(3) Do an inspection of the component interface and/or the adjacent area.
(4) Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002). WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE THE
_______
SPECIAL MATERIAL.
THIS MATERIAL IS DANGEROUS.
(a) Apply SEALANTS (Material No. 09-018) to the component interface.
4. Procedure
_________
(Ref. Fig. 401/TASK 32-42-12-991-001) Subtask 32-42-12-420-050
A. Installation of the Hydraulic Brake Filter (4) .
(1)
Put the hydraulic brake filter (4) in position and install the washers (5) and the bolts (6).
(2)
Remove the blanking plugs and install the connectors (1) to the unions (2).
(3)
TORQUE the connectors (1) to between 5.4 and 5.9 m.daN (39.82 and
43.51 lbf.ft).
(4)
Mark the connectors with PAINTS FOR DETAIL (INTERNAL AND EXTERN AL) (Material No. 07-010).
Subtask 32-42-12-865-052
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1GG, 2GG, 3GG, 4GG, 1701GK, 1702GK.
Subtask 32-42-12-860-054
C. Preparation for Test
(1)
Connect the PTU isolation coupling (Ref. TASK 29-23-00-860-002).
(2)
If necessary fill the reservoir of the Green hydraulic system to the correct level (Ref. TASK 12-12-29-611-001).
(3)
Remove the container.
(4)
Remove the access platform(s).
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(5) Remove the warning notice(s). Subtask 32-42-12-710-050
D. Test
(1)
Do the operational test of the normal braking system (Ref. TASK 32-42-00-710-001).
(2)
Make sure that there is no hydraulic fluid leakage from the hydraulic brake filter 2584GM.
5. Close-up
________ Subtask 32-42-12-410-050
A. Close Access
(1)
Apply corrosion protection to the connectors, unions and adjacent areas (Ref. TASK 51-75-13-916-002).
(2)
Make sure that the work area is clean and clear of tool(s) and other items.
(3)
Close the applicable MLG door (Ref. TASK 32-12-00-410-001).
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