3. Job Set-up
__________
Subtask 52-36-15-865-060
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
R **ON A/C 001-049, 051-099, 101-149, 201-299, 301-399,
Subtask 52-36-15-860-054
B. Aircraft Maintenance Configuration
(1)
Make sure that the applicable cargo door is opened and safetied with the actuator safety devices (Ref. TASK 52-30-00-860-003).
(2)
Make sure that the necessary floor panel you removed to get access to the applicable manual selector valve is removed (Ref. TASK 53-22-14-000-001) (Ref. TASK 53-42-14-000-001).
(3)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(4)
Make sure that the Yellow hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(5)
Make sure that the reservoir of the Yellow hydraulic system is depressurized (Ref. TASK 29-14-00-614-001).
(6)
Make sure that the WARNING NOTICE is in position:
-in the cockpit on the hydraulic section 40VU of the overhead panel, - on the ground service panel of the Yellow hydraulic system.
(7)
Make sure that the lint-free cloth is below the hydraulic connections of the manual selector valve to collect the hydraulic fluid.
(8)
Make sure that the isolation coupling of the power transfer unit is disconnected (Ref. TASK 29-23-00-860-001).
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Subtask 52-36-15-860-054-A
B. Aircraft Maintenance Configuration
(1)
Make sure that the applicable cargo door is opened and safetied with the actuator safety devices (Ref. TASK 52-30-00-860-003).
(2)
Make sure that the necessary floor panel you removed to get access to the applicable manual selector valve is removed (Ref. TASK 53-22-14-000-001) (Ref. TASK 53-42-14-000-001).
(3)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(4)
Make sure that the Yellow hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(5)
Make sure that the reservoir of the Yellow hydraulic system is depressurized (Ref. TASK 29-14-00-614-001).
(6)
Make sure that the WARNING NOTICE is in position:
-in the cockpit on the hydraulic section 40VU of the overhead panel, - on the ground service panel of the Yellow hydraulic system.
(7)
Make sure that the lint-free cloth is below the hydraulic connections of the manual selector valve to collect the hydraulic fluid.
(8)
Make sure that the isolation coupling of the power transfer unit is disconnected (Ref. TASK 29-23-00-860-001).
**ON A/C ALL
4. Procedure
_________
Subtask 52-36-15-910-051
A. Preparation for Installation
(1)
Make sure that the electrical connectors are clean and in the correct condition.
(2)
Clean the component interface and/or the adjacent area.
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(3)
Do an inspection of the component interface and/or the adjacent area.
(4)
Aply a layer of SPECIAL MATERIALS (Material No. 05-002) on the mating surface of the proximity switch (12) and the valve body (13).
(5)
Lubricate the new O-ring (24) with HYDRAULIC FLUIDS (Material No. 02-003).
Subtask 52-36-15-420-052
B. Installation of the Proximity Switch
(1)
Install the new O-ring (24) and the back-up ring (23) in the valve body (13).
(2)
Install the proximity switch (12) on the valve body (13).
(3)
TORQUE the proximity switch (12) to 0.2 m.daN (17.69 lbf.in).
(4)
Remove the blanking caps from the electrical connector (11) and from the receptacle of the proximity switch (12).
(5)
Connect the electrical connector (11) to the proximity switch (12).
(6)
Safety the proximity switch (12) with lockwire, corrosion-resistant steel, dia. 0.8 mm (0.032 in.).
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