(1)
Disconnect the thermostat (14) (Ref. TASK 30-71-54-000-001).
(2)
Disconnect the wire (13) of the heating disk (Ref. TASK 30-71-55-000-001) at its terminal.
(3)
Remove the screws (4) and the washers (5) from the bracket (3).
(4)
Remove the nut (18) and the screw (16) with the washer (17).
(5)
Remove the nut (27) and the screw (25) with the washer (26).
(6)
Remove the bracket (3) with the bonding strap (6) from the structure.
(7)
Release the tapes (10) from the insulation box. At the same time
remove the lower lid (12).
(8)
Remove the sides (9), (15) of the insulation box and the insulation plate (2).
(9)
Remove the screw (8), the washer (7) and the bonding strap (6).
(10)
Remove the bracket (3) with the bonding strap (6).
(11)
Support the air-stop drain valve (11).
(12)
Remove the remaining screws (4), the washers (5) and the insulation plate (2) from the bracket (19).
(13)
Remove the air-stop drain valve (11) with the top lid (1).
TASK 25-53-51-400-001
Installation of the Air-Stop Drain Valve 5000MM (5001MM)
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific access platform 2.1 m (6 ft. 11 in.)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 05-002 USA MIL-P-8116 PUTTY, ZINC CHROMATE GENERAL PURPOSE (Ref. 20-31-00) Material No. 05-005 USA MIL-C-16173 GRADE II CORROSION PREVENTIVE (Ref. 20-31-00)
Material No. 15-006 AIB TN 10138 TYPE I GRADE 3 CORROSION PREVENTIVE TEMPORARY PROTECTIVE COMPOUND (Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
20-28-00-912-004 Electrical Bonding of Components With Conductive Bolts and Screws and Bonding Straps in the Fuselage and in the Wings (this does not include the tanks)-
25-53-00-400-001 Installation of Drainage - FWD or AFT Cargo
Compartments 30-71-54-400-001 Installation of the Thermostat 7DU (57DU) 30-71-55-000-001 Removal of the Heating Disk 6DU (56DU) 52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the
Yellow Electric Pump -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
52-30-00-860-002 Close the FWD or AFT Cargo-Compartment Door with the
Yellow Electric Pump 53-22-14-400-001 Installation of the FWD Cargo-Compartment
Floor-Panels 53-42-14-400-001 Installation of the AFT Cargo-Compartment
Floor-Panels Zone 150 25-53-51-991-001 Fig. 401 25-53-51-991-002 Fig. 402
3. Job Set-up
__________
Subtask 25-53-51-860-051
A. Aircraft Maintenance Configuration
(1)
Make sure that the FWD and/or AFT cargo-compartment door is opened and safetied with the actuator safety locks (Ref. TASK 52-30-00-860-001).
(2)
Make sure that the access platform is in position at the opening of the applicable cargo compartment door.
(3)
Make sure that the warning notice is in position at the applicable control panel of the cargo loading system.
Subtask 25-53-51-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------2000VU SEMI AUTO CLS/FWD 2MY B3 2000VU SEMI AUTO CLS/FWD 3MY B1 2000VU ICE PROT/DRAINMAST/FWD 1DU D2 2000VU ICE PROT/CARGO DRAIN/VALVE 20DU D4 2001VU SEMI AUTO CLS/AFT 102MY E3 2001VU SEMI AUTO CLS/AFT 103MY E1 2001VU DRAIN MAST/MID 21DU D6 2001VU CARGO DRAIN/VALVE 32DU D8
4. Procedure
_________
(Ref. Fig. 401/TASK 25-53-51-991-001, 402/TASK 25-53-51-991-002) Subtask 25-53-51-910-050
A. Preparation for Installation
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