(5)
Make sure that the reservoir of the Green hydraulic system is depressurized (Ref. TASK 29-14-00-614-001).
Subtask 32-31-38-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU L/G/LGCIU/SYS1/NORM 1GA C09 121VU HYDRAULIC/LGCIU/SYS2 2GA Q35 121VU HYDRAULIC/LGCIU/SYS1/GRND SPLY 52GA Q34 121VU HYDRAULIC/G HYD/PUMP ENG1/CTL 1701GK R35 121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
Subtask 32-31-38-941-051
C. Safety Precautions
(1) Make sure that the warning notices are in position to tell persons not to pressurize the Green hydraulic system: - on the panel 40VU in the cockpit, - on the ground service panel of the Green hydraulic system.
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Subtask 32-31-38-560-050
D. Preparation for Installation (Ref. Fig. 401/TASK 32-31-38-991-001)
(1) Clean the component interface and/or the adjacent area.
(2) Do an inspection of the component interface and/or the adjacent area.
(3) Make sure that the parts retained from the removed component are clean and in the correct condition.
(4) Loosen the nuts (3).
(5) Remove the blanking plugs.
(6) Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(7) Lubricate the threads of the swivel joints (5) with 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).
4. Procedure_________
(Ref. Fig. 401/TASK 32-31-38-991-001)
Subtask 32-31-38-420-050
A. Installation of the MLG Door Swivel-Joint Assembly 2763GM (2764GM)
(1) Put the swivel joints (5) in position and install the connectors (8). Do not tighten at this time.
R R R R (2) Move the bracket (4) until it is in the middle of the swivel joints (5) and install the bolt (6) and the nut (3) and TORQUE the nuts (3) to between 1.58 and 1.81 m.daN (11.65 and 13.34 lbf.ft).
R R NOTE : The installation position of bracket (4) is changed (Refer to____ figure 401).
R (3) Tighten the connectors (8) and TORQUE to between 2.9 and 3.2 m.daN (21.38 and 23.59 lbf.ft).
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R (4) Put the flexible hoses (1) in position and connect the connectors (2) to the swivel joints (5) TORQUE the connectors (2) to between 1.24 and 1.47 m.daN (109.73 and 130.08 lbf.in).
R (5) Mark all the connectors with PAINTS FOR DETAIL (INTERNAL AND EXTERN AL) (Material No. 07-010).
Subtask 32-31-38-865-052
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1GA, 2GA, 52GA, 1701GK, 1702GK.
Subtask 32-31-38-860-052
C. Preparation for Test
(1)
Connect the PTU isolation coupling (Ref. TASK 29-23-00-860-002).
(2)
If the flight configuration precautions were obeyed, put the aircraft back to the serviceable condition (Ref. TASK 32-00-00-860-002).
(3)
Remove the warning notice(s).
(4)
Remove the access platform(s).
(5)
Remove the container.
(6)
Close the applicable MLG door (Ref. TASK 32-12-00-410-001).
(7)
If necessary fill the reservoir of the Green hydraulic system to the correct level (Ref. TASK 12-12-29-611-001).
Subtask 32-31-38-710-050
D. Do the operational test of the MLG doors (Ref. TASK 32-31-00-710-002).
(1)
Open the applicable MLG door (Ref. TASK 32-12-00-010-001).
(2)
Make sure that there is no hydraulic fluid leakage from the swivel joint assembly 2563GM (2564GM).
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5. Close-up
________ Subtask 32-31-38-410-050
A. Close Access
(1)
Apply corrosion protection to the swivel joints and the 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).
(4)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
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