C. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
24-42-00-861-001  Energize the Ground Service Network from the External Power
 24-42-00-862-001  De-energize the Ground Service Network Supplied from the External Power
 30-71-00-720-001  Functional Test of the FWD (AFT) Air Stop Drain-Valve Heating-Disk 6DU (56DU)
 30-71-54-991-001  Fig. 401
 FOR FIN 7DU
 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
 53-22-14-000-001  Removal of the FWD Cargo-Compartment Floor-Panels
 53-22-14-400-001  Installation of the FWD Cargo-Compartment Floor-Panels
 FOR FIN 57DU
 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
 53-42-14-000-001  Removal of the AFT Cargo-Compartment Floor-Panels Zone 150
 53-42-14-400-001  Installation of the AFT Cargo-Compartment Floor-Panels Zone 150
 3. Job Set-up__________
 Subtask 30-71-54-860-050
 A. Aircraft Maintenance Configuration
 (1)
 Make sure that the ground service network is energized
 (Ref. TASK 24-42-00-861-001).

 (2)
 FOR 7DU

 (a)
 Make sure that the FWD cargo-compartment door is open (Ref. TASK 52-30-00-860-001).

 (b)
 Make sure that the CARGO COMP LT swith 6LU is set to ON.

 (c)
 Make sure that the floor panels 131TF, 132TF are removed (Ref. TASK 53-22-14-000-001).

 (d)
 Make sure that the insulation of the inlet port of the FWD air-stop drain-valve (5000MM) is removed.

 (3)
 FOR 57DU

 (a)
 Make sure that the AFT cargo-compartment door is open (Ref. TASK 52-30-00-860-001).

 (b)
 Make sure that the CARGO COMP LT swith 8LU is set to ON.

 (c)
 Make sure that the floor panels 151BG, 152BG are removed (Ref. TASK 53-42-14-000-001).

 (d)
 Make sure that the insulation of the inlet port of the AFT air-stop drain-valve (5001MM) is removed.

 Subtask 30-71-54-865-051
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------FOR 7DU 2000VU ICE PROT-CARGO DRAIN VALVE 20DU D04 2000VU CARGO DRAIN VALVE 20DU E02 2000VU SEMI AUTO CLS-FWD 2MY B03 2000VU SEMI AUTO CLS-FWD 3MY B01 FOR 57DU 2001VU ICE PROT-CARGO DRAIN VALVE 32DU D08 2001VU CARGO DRAIN VALVE 32DU D07 2001VU SEMI AUTO CLS-AFT 102MY E03 2001VU SEMI AUTO CLS-AFT 103MY E01

 4. Procedure
_________

 (Ref. Fig. 401/TASK 30-71-54-991-001) Subtask 30-71-54-420-050
 A. Installation of the thermostat 7DU (57DU)
 (1)
 Clean the component interface and/or the adjacent area.

 (2)
 Put the thermostat (2) in position on the thermostat-bracket (1).

 (3)
 Attach the thermostat (2) with the screws (4) and the washers (3) on the thermostat-bracket (1).

 (4)
 Saftey the screws (4) with BONDING AND ADHESIVE COMPOUNDS (Material No. 08-048).

 CAUTION : REFER TO THE MATCH MARKS MADE DURING THE REMOVAL WHEN YOU
_______ CONNECT THE ELECTRICAL WIRES. INCORRECT CONNECTION OF THE WIRES WILL CAUSE DAMAGE TO EQUIPMENT.
 (5) Connect the electrical connections (5) with the insertion-removal tool M15.570-20 to the jiffy-junctions (6).
 (6) Install the electrical wires with the cable ties. Subtask 30-71-54-865-053
 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): FOR 7DU 20DU, 2MY, 3MY FOR 57DU 32DU, 102MY, 103MY
 Subtask 30-71-54-720-050
 C. Do the functional test of the FWD (AFT) air-stop drain-valve heating (Ref. TASK 30-71-00-720-001).

 5. Close-up
________

 Subtask 30-71-54-410-050
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 FOR 7DU

 (a)
 Install the insulation of the FWD air-stop drain valve (5000MM) with adhesive tape.
　
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