3. Job Set-up
__________
Subtask 27-54-53-860-057
A. Aircraft Maintenance Configuration
(1)
Make sure that the flaps are retracted to the 0 degree position (Ref. TASK 27-50-00-866-009).
(2)
Make sure that the LOCKING TOOL - FLAP/SLAT CONTROL LEVER (98D27803000000) is installed (Ref. TASK 27-00-00-480-002) on the slat/flap control lever.
(3)
Make sure that the access platform is in position at the main gear main door opening.
(4)
Make sure that the Green and Yellow hydraulic systems are depressurized and put them in the maintenance configuration (Ref. TASK 29-00-00-864-001).
(5)
Make sure that the reservoirs of the Green and the Yellow hydraulic systems are depressurized (Ref. TASK 29-14-00-614-001).
(6)
Make sure that the warning notice is in position to tell persons not to pressurize the hydraulic systems.
(7)
Put a container in position below the Power Control Unit (PCU) (1).
Subtask 27-54-53-865-054
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1 6CV B07 121VU FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2 8CV Q21
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4. Procedure
_________
(Ref. Fig. 402/TASK 27-54-53-991-002) Subtask 27-54-53-420-051
A. Installation of the Solenoid Valve
(1)
Clean the component interface and/or the adjacent area.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Apply HYDRAULIC FLUIDS (Material No. 02-003) to the back-up ring (6),the back-up ring (7),the O-ring (9),and the O-ring (10).
(4)
Install the new back-up rings (6),(7) and the new O-rings (9),(10), O-ring (15), O-ring (16) on the solenoid valve (1).
(5)
Carefully install the solenoid valve (1) to the valve block (12).
(6)
Install the washers (5) and the bolts (4).
(7)
TORQUE the bolts (4) to between 0.25 and 0.27 m.daN (22.12 and 23.89 lbf.in).
Subtask 27-54-53-860-059
B. Preparation for the Test
(1)
Pressurize the reservoirs of the Green and the Yellow hydraulic systems (Ref. TASK 29-14-00-614-002).
(2)
Make sure that the level of the fluid in the relevant hydraulic reservoir is correct. Add fluid as necessary (Ref. TASK 12-12-29-611-001), (Ref. TASK 12-12-29-611-002).
(3)
Remove the LOCKING TOOL - FLAP/SLAT CONTROL LEVER (Ref. TASK 27-00-00-080-002) from the slat/flap control lever.
(4)
Make sure that the work area is clean and clear of tool(s) and other items.
(5)
Remove the warning notice(s).
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