3. Job Set-up
__________ Subtask 29-12-41-865-057
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 123VU B HYD/ELEC PUMP 2701GJ AB09
Subtask 29-12-41-010-052
B. Get Access
(1) Put the access platform in position at the access door 197FB.
(2)
Open the access door 197FB. Subtask 29-12-41-860-052
C.
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 40VU 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)
Drain the reservoir of the Blue hydraulic system (Ref. TASK 29-10-00-680-003).
(6)
Put a container below the reservoir.
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4. Procedure
_________
(Ref. Fig. 403/TASK 29-12-41-991-005) Subtask 29-12-41-020-052
A. Removal of the Low Level Switch
(1)
Disconnect the electrical connector (11).
(2)
Put blanking caps on the disconnected electrical connector (11) and on the receptacle.
(3)
Remove the bolts (10) and the washers (9).
(4)
Remove the low level switch (8) from the reservoir (1).
(5)
Discard the O-ring (7).
(6)
Put a blanking plug in the port of the reservoir (1).
(7)
Put the low level switch (8) into a plastic bag to keep it clean.
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TASK 29-12-41-400-003 Installation of the Low Level 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 container
No specific warning notices
No specific access platform 2.3 m (7 ft. 7 in.)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R Material No. 02-003 F NSA 307110 TYPE 4 HYDRAULIC FLUID (PHOSPHATE ESTER BASE) (Ref. 20-31-00)
C. Expendable Parts
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