B. 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 29-34-11-991-001 Fig. 401
3. Job Set-up
__________ Subtask 29-34-11-865-054
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU HYD/HYD PWR/B WARN/& CTL 2702GJ C12 121VU HYDRAULIC/LOW/LVL/IND 1832GQ N32 121VU HYDRAULIC/HYD/QTY/IND 1831GQ P35 123VU B HYD/ELEC PUMP 2701GJ AB09
Subtask 29-34-11-860-054
B. Aircraft Maintenance Configuration
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Put the warning notices in position to tell persons not to pressurize the Blue hydraulic system:
-In the cockpit on the hydraulic section of the overhead panel,
-On the ground service panel of the Blue hydraulic system.
(3)
Make sure that the Blue hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(4)
Depressurize the reservoir of the Blue hydraulic system (Ref. TASK 29-14-00-614-001).
(5)
Put an access platform in position.
(6)
Open the access door 197FB.
4. Procedure
_________
(Ref. Fig. 401/TASK 29-34-11-991-001) Subtask 29-34-11-020-051
A. Removal of the Reservoir Pressure Switch
(1)
Disconnect the electrical connector (1) from the pressure switch (2).
(2)
Put blanking plugs on the disconnected line ends.
(3)
Remove the nut (4), the washer (6) and the bolt (7) and remove the bonding jumper (5).
(4)
Cut and remove the lockwire from the pressure switch (2).
(5)
Remove the pressure switch (2) from the reservoir and discard the O-ring (3).
(6)
Put the blanking plugs in the open end of the pressure switch (2) and in the port on the top of the reservoir.
TASK 29-34-11-400-002
Installation of the Reservoir Pressure Switch of the Blue Hydraulic System
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 blanking caps
No specific blanking plugs
No specific warning notices
No specific access platform 2.40 m (7 ft. 10 in.)
No specific Torque Wrench : range 0.20 to 3.60 m.daN
(2.00 to 26.00 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. 04-012 USA VV-P-236 PURE MINERALVASELINE OR PETRO- LATUM (Ref. 20-31-00) Material No. 05-004 USA MIL-L-25567 TYPE I OXYGEN LEAK DETECTOR (Ref. 20-31-00) Material No. 16-003 F ASNB70720 COATING (OBSOLETE USE 16-021) (Ref. 20-31-00)
C. Expendable Parts
-------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
3 O-ring 29-34-04 01 -070 3 O-ring 29-34-04 01A-070
D. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
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