C. Expendable Parts -------------------------------------------------------------------------------
FIG.ITEM --------- |DESIGNATION ---------------------------------------- |IPC-CSN------------------------------
3 O-ring 29-34-03 02 -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 29-23-00-860-001 Disconnection of the Isolation Coupling of the Power Transfer Unit (PTU) 29-23-00-860-002 Connection of the Isolation Coupling of the Power Transfer Unit (PTU) 29-34-00-710-001 Operational Test of Reservoir Low Air Pressure Warning 29-34-11-991-001 Fig. 401
3. Job Set-up
__________
Subtask 29-34-11-860-058
A. Aircraft Maintenance Configuration
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Make sure that the Yellow hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(3)
Make sure that the reservoir of the Yellow hydraulic system is depressurized. (Ref. TASK 29-14-00-614-001).
(4)
Make sure that the warning notices are in position to tell persons not to pressurize the Yellow hydraulic system:
-In the cockpit on the hydraulic section 40VU of the overhead panel,
-On the ground service panel of the Yellow hydraulic system.
(5)
Make sure that the access panel 196BB is open.
(6)
Make sure that the isolation coupling of the Power Transfer Unit (PTU) is disconnected (Ref. TASK 29-23-00-860-001).
Subtask 29-34-11-865-059
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 121VU HYDRAULIC/Y HYD/PUMP ENG2/MONG 3700GD Q37 123VU Y HYD/ELEC/PUMP 3802GX AB06
R 123VU Y HYD/ELEC/ELEC PUMP/NORM 3801GX AB03
4. Procedure
_________
(Ref. Fig. 401/TASK 29-34-11-991-001)
Subtask 29-34-11-420-052
A. Installation of the Reservoir Pressure Switch
(1)
Clean the component interface and/or the adjacent area.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Remove the blanking plugs from the pressure switch and the port on the top of the reservoir.
(4)
Apply HYDRAULIC FLUIDS (Material No. 02-003) to the new O-ring (3).
(5)
Install the O-ring (3) on the pressure switch (2).
(6)
Install the pressure switch (2) on the reservoir.
(7)
TORQUE the pressure switch (2) to between 1.21 and 1.32 m.daN (107.07
and 116.81 lbf.in).
(8)
Safety the pressure switch (2) with lockwire 0.8 mm (0.032 in.).
(9)
Make sure that the bonding jumper (5) and the area of the pressure switch (2) which it touches are clean.
(10)
Apply COMMON GREASE (Material No. 04-012) to the parts of the bonding jumper (5) and the pressure switch (2) which touch.
(11)
Connect the bonding jumper (5) to the pressure switch (2).
(12)
Install the bolt (7), the washer (6) and the nut (4). Tighten the nut (4).
(13)
Remove the blanking caps from the electrical connector (1) and the pressure switch (2).
(14)
Make sure that the electrical connectors are clean and in the correct condition.
(15)
Connect the electrical connector (1) and the pressure switch (2).
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