(2)
Make sure that the warning notices are in position to tell persons not to pressurize the Green hydraulic system:
-in the cockpit on the hydraulic section 40VU of the overhead panel, - on the ground service panel of the Green hydraulic system.
(3)
Make sure that the Green hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(4)
Make sure that the reservoir of the Green hydraulic system is depressurized (Ref. TASK 29-14-00-614-001).
(5)
Make sure that the access panel 197BB is removed (Ref. TASK 53-35-13-000-002).
(6)
Make sure that the access door 197BB is open.
Subtask 29-14-16-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/LOW/LVL/IND 1832GQ N32 121VU HYDRAULIC/HYD/QTY/IND 1831GQ P35 121VU HYDRAULIC/G HYD/PUMP ENG1/CTL 1701GK R35
4. Procedure
_________
(Ref. Fig. 401/TASK 29-14-16-991-001)
Subtask 29-14-16-560-050
A. Preparation of the Replacement Component
WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL
_______ MATERIALS ONLY WITH A GOOD SUPPLY OF AIR. OBEY THE MANUFACTURERS INSTRUCTIONS. PUT ON PROTECTIVE CLOTHING. DO NOT GET THEM IN YOUR MOUTH. DO NOT SMOKE. DO NOT BREATHE THE GAS. THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
(1) Remove the parts which are attached to the removed depressurization valve as follows:
(a)
Hold the depressurization valve (4) and remove the reducer (2).
(b)
Remove and discard the O-ring (3).
(c)
Put blanking plugs on the open ends of the reducer (2) and the depressurization valve (4).
1EFF : ALL 1 29-14-16Page 406 1 1 May 01/02R 1 1 1CES 1
Depressurization Valve
Figure 401/TASK 29-14-16-991-001
1EFF : ALL 1 29-14-16 Page 407
1 1 Feb 01/98
1 1
1CES 1
(2)
Install the removed parts on the depressurization valve as follows:
(a)
Remove the blanking plugs from the depressurization valve (4) and the reducer (2).
(b)
Lubricate the threads of the adapter (2) and the new O-ring (3) with HYDRAULIC FLUIDS (Material No. 02-003).
(c)
Put the new O-ring (3) in position on the reducer (2).
(d)
Install the reducer (2).
(e)
TORQUE the reducer (2) to between 3.20 and 3.50 m.daN (23.59 and
25.81 lbf.ft).
(3)
Make sure that the contact surface of the depressurization valve (4) and the ground service panel is clean.
(4)
Apply SEALANTS (Material No. 09-015) to the contact surface of the depressurization valve (4).
(5)
Apply SPECIAL MATERIALS (Material No. 05-002) to the bolts (5). Subtask 29-14-16-420-050
B.
Installation of the Reservoir Pressurization Valve CAUTION : USE A SECOND WRENCH TO APPLY COUNTERTORQUE TO THE UNION WHEN
_______ YOU DISCONNECT/CONNECT HYDRAULIC LINES ON UNIONS. IF YOU USE THE SECOND WRENCH, YOU WILL NOT LOOSEN OR TIGHTEN THE UNION TOO MUCH.
CAUTION : YOU MUST INSTALL HYDRAULIC TUBES WITH HYDRAULIC FLUID AS
_______
LUBRICANT.
(1)
Clean the component interface and/or the adjacent area.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Install the depressurization valve (4) in the ground service panel.
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