(16)
 Apply STRUCTURE PAINTS (Material No. 16-003) to the connection of the bonding jumper (5) and the pressure switch switch (2).

 Subtask 29-34-11-790-052
 B. Leak Test of the Hydraulic Connections
 (1)
 Pressurize the reservoir of the Yellow hydraulic system (Ref. TASK 29-14-00-614-002).

 (2)
 Apply SPECIAL MATERIALS (Material No. 05-004) to the connection of the pressure switch (2) and the reservoir and make sure that there are no leaks.

 Subtask 29-34-11-865-060
 C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1831GQ, 1832GQ, 3700GD, 3801GX, 3802GX, 3803GX Subtask 29-34-11-710-052

 D. Do an operational test of the low air pressure warning (Ref. TASK 29-34-00-710-001).
 5. Close-up
________ Subtask 29-34-11-860-053
 A. Put the aircraft back to the serviceable condition.
 (1)
 Connect the isolation coupling of the power transfer unit (PTU) (Ref. TASK 29-23-00-860-002).

 (2)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (3)
 Close the access door 197BB.

 (4)
 Remove the warning notices from the cockpit and the ground service panel of the Yellow hydraulic system.

 Subtask 29-34-11-865-061
 B. Make sure that this(these) circuit breaker(s) is(are) closed:
 1831GQ, 1832GQ, 3700GD, 3801GX, 3802GX, 3803GX

 PRESSURE SWITCH - AIR, BLUE RESERVOIR (2387GH) - REMOVAL/INSTALLATION
_____________________________________________________________________ TASK 29-34-13-000-001 Removal of the Air Pressure Switch (2387GH)
 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 plugs
 No specific circuit breaker(s) safety clip(s)
 No specific warning notices
 No specific access platform 2.40 m (7 ft. 10 in.)

 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
 Configuration before Maintenance Action 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 29-34-13-991-001 Fig. 401
 3. Job Set-up
__________ Subtask 29-34-13-865-050
 A. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/B RSVR/AIR/PRESS/XMTR 2386GH P34 123VU B HYD/ELEC PUMP 2701GJ AB09
R 1EFF : 001-049, 051-061, 101-105, 201-203, 1 29-34-13Page 401 1 1 May 01/05 1 1 1CES 1 Subtask 29-34-13-860-050

 B. Aircraft Maintenance Configuration
 (1)
 Make sure that the Blue hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).

 (2)
 Depressurize the reservoir of the Blue hydraulic system (Ref. TASK 29-14-00-614-001).

 (3)
 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.
 (4)
 Put an access platform in position. Subtask 29-34-13-010-050

 C.
 Open the access door 197FB.

 4. Procedure
_________
 (Ref. Fig. 401/TASK 29-34-13-991-001) Subtask 29-34-13-020-050
 A. Removal of the Air Pressure Switch
 (1)
 Remove the pressure switch (2) from the reservoir and discard the O-ring (3).

 (2)
 Disconnect the electrical connector (1) from the pressure switch (2).

 (3)
 Cut and remove the lockwire from the pressure switch (2).

 (4)
 Put the blanking plugs in the open end of the pressure switch (2) and in the port of the tee-fitting (4).

R 1EFF : 001-049, 051-061, 101-105, 201-203, 1 29-34-13Page 402 1 1 May 01/05 1 1 1CES 1

 Air Pressure Switch
 Figure 401/TASK 29-34-13-991-001

R 1EFF : 001-049, 051-061, 101-105, 201-203, 1 29-34-13Page 403 1 1 May 01/05 1 1 1CES 1 TASK 29-34-13-400-001
　
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