(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)
Depressurize the reservoir of the Yellow hydraulic system (Ref. TASK 29-14-00-614-001).
(4)
Disconnect the isolation coupling of the Power Transfer Unit (PTU) (Ref. TASK 29-23-00-860-001).
(5)
Put the warning notices 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.
(6)
Put the spillage container below the proximity switch of the applicable door actuator to collect the hydraulic fluid.
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4. Procedure
_________
(Ref. Fig. 402/TASK 52-36-18-991-003) Subtask 52-36-18-020-051
A. Removal of the Proximity Switch
(1)
Disconnect the electrical connector (1) from the proximity switch (2).
(2)
Put blanking caps on the disconnected electrical connector (1) and on the receptacle of the proximity switch (2).
(3)
Cut and remove the lockwire from the proximity switch (2).
(4)
Remove the proximity switch (2) together with the O-ring (4) and the back-up ring (3) from the switch housing (5).
(5)
Discard the O-ring (4) and the back-up ring (3).
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Proximity Switch
Figure 402/TASK 52-36-18-991-003
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1 1 Feb 01/98
1 1
1CES 1
TASK 52-36-18-400-002
Installation of the Proximity Switch
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific spillage container R No specific Torque Wrench : range 0.00 to 1.20 m.daN R (0.00 to 9.00 lbf.ft)
B. Consumable Materials
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
No specific lockwire, corrosion-resistant steel, dia. 0.8 mm
(0.032 in.)
Material No. 05-002 USA MIL-P-8116 PUTTY, ZINC CHROMATE GENERAL PURPOSE (Ref. 20-31-00)
C. Expendable Parts
-------------------------------------------------------------------------------
FIG.ITEM |DESIGNATION |IPC-CSN
-------------------------------------------------------------------------------
3 back-up ring 52-36-18 01 -060 4 O-ring 52-36-18 01 -050
1EFF : ALL 1 52-36-18Page 418 1 1 May 01/05 1 1 1CES 1R 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) 29-24-00-863-001 Pressurize the Yellow Hydraulic System with the Electric Pump 52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump 52-30-00-860-002 Close the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump 52-36-00-600-001 Hydraulic System for the Cargo Compartment Doors -Servicing
3. Job Set-up
__________
Subtask 52-36-18-865-054
A. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/HYD POWER/Y 3803GX N30 122VU DOORS/CARGO 1MJ T12 123VU Y HYD/ELEC/PUMP 3802GX AB06 123VU Y HYD/ELEC/ELEC PUMP/NORM 3801GX AB03
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