Subtask 29-14-17-010-052
C. Open the access door 196BB.
4. Procedure
_________ (Ref. Fig. 401/TASK 29-14-17-991-001) Subtask 29-14-17-020-052
A. Removal of the Air Relief 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.
(1)
Cut, remove and discard the lockwire.
(2)
Hold the air relief valve (2) and disconnect the union nut (1).
(3)
Remove the air relief valve (2) and discard the O-ring (3).
(4)
Install the blanking plugs on the open connections.
TASK 29-14-17-400-003
Installation of the Air Relief Valve of the Yellow Hydraulic System (3005GM)
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______
GEAR.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notices
No specific Torque Wrench : range 0.20 to 3.60 m.daN
(2.00
to 26.00 lbf.ft) No specific Torque Wrench : range 1.00 to 10.00 m.daN
(8.00 to 75.00 lbf.ft)
B.
Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
No specific lockwire 0.8 mm (0.032 in.)
R Material No. 02-003 F NSA 307110 TYPE 4 HYDRAULIC FLUID (PHOSPHATE ESTER BASE) (Ref. 20-31-00)
Material No. 05-004 USA MIL-L-25567 TYPE I
OXYGEN LEAK DETECTOR (Ref. 20-31-00)
C. Expendable Parts
-------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
O-ring 29-14-03 11 -020
D. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action 29-00-00-910-002 Safety Procedures of the Hydraulic System 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 29-14-00-614-002 Pressurization of the Hydraulic Reservoirs through
the Ground Connector 29-14-17-991-001 Fig. 401
3. Job Set-up
__________
Subtask 29-14-17-860-056
A. Aircraft Maintenance Configuration
(1)
Make sure that the warning notices are in position to tell persons not to pressurize the hydraulic system:
-In the cockpit on the hydraulic section 40VU of the overhead panel,
-On the ground service panel of the Yellow hydraulic system.
(2)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(3)
Make sure that the Yellow 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 Yellow hydraulic system is depressurized (Ref. TASK 29-14-00-614-001).
(5)
Make sure that the access door 196BB is open.
Subtask 29-14-17-865-057
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 POWER/Y 3803GX N30 121VU HYDRAULIC/HYD/QTY/IND 1831GQ P35 123VU Y HYD/ELEC/PUMP 3802GX AB06
R 123VU Y HYD/ELEC/ELEC PUMP/NORM 3801GX AB03
4. Procedure
_________
(Ref. Fig. 401/TASK 29-14-17-991-001)
Subtask 29-14-17-420-052
A. Installation of the Air Relief 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
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