Subtask 30-71-53-865-056
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
R 2000VU POT/WASTE WIP HEATER LINE 1DW A02 R 2000VU POT/WASTE WIP HEATER CTL 2DW A01
4. Procedure
_________
(Ref. Fig. 401/TASK 30-71-53-991-003)
Subtask 30-71-53-020-053
A. Removal of the Heater Element
(1)
Remove and discard the cable ties (2) of the identification and warning labels (1).
(2)
Remove the clamps (11) and the spacers (10).
(3)
Remove the velcro tape (3), the adhesive tape (9) and the insulation muffs (4).
(4)
Carefully remove and discard the adhesive tape (7) which is on the longitudinal cut of the insulation sleeve (8).
(5)
Remove the insulation sleeve (8).
(6)
Disconnect the three wires of the heater element (5) from the
terminal block.
NOTE : Identify all the electrical wires before you disconnect them.
____
(7)
If necessary, remove the related temperature sensor (Ref. TASK 30-71-17-000-001).
(8)
Remove and discard the heat-shrink sleeve that safeties both ends of the glass fiber tape (6).
NOTE : Do not damage the waste water line when you remove the
____
heat-shrink sleeve.
(9) Remove and discard the glass fiber tape (6) that attaches the heater element (5).
(10) Remove the heater element (5).
1EFF : 301-399, 1 30-71-53Page 403 1 1 Config-3 Aug 01/05R 1 1 1CES 1
Heater Element Figure 401/TASK 30-71-53-991-003- 12 (SHEET 1)
1EFF : 301-399, 1 30-71-53Page 404 1 1 Config-3 May 01/04 1 1 1CES 1
Heater Element Figure 401/TASK 30-71-53-991-003- 22 (SHEET 2)
1EFF : 301-399, 1 30-71-53Page 405 1 1 Config-3 May 01/04 1 1 1CES 1 TASK 30-71-53-400-003
Installation of the Waste-Water De-icing Heater Elements (142DU, 146DU, 147DU)
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific lint-free cloth
No specific access platform 2 m (6 ft. 7 in.)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 08-001 USA DOD-A-82720 GENERAL PURPOSE ADHESIVE HONEYCOMB FILLER (Ref. 20-31-00)
Material No. 11-001 USA MIL-D-16791 TYPE I DETERGENT (Ref. 20-31-00)
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 30-71-00-710-002 Operational Test of the Waste-Water Ice-Protection Heater-Elements 30-71-17-400-001 Installation of the Waste-Water De-icing Sensor (40DU) 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 30-71-53-991-003 Fig. 401
3. Job Set-up
__________
Subtask 30-71-53-860-052
A. Aircraft Maintenance Configuration
(1)
Make sure that the ground service network is energized (Ref. TASK 24-42-00-861-001).
(2)
Make sure that the access platform is in position at the door 825.
Subtask 30-71-53-010-056
B. Get Access
(1)
Make sure that the FWD cargo-compartment door 825 is open (Ref. TASK 52-30-00-860-001).
(2)
Make sure that the CARGO COMPT LIGHT switch 6LU is at ON.
(3)
Make sure that in the FWD cargo-compartment, the panels: FOR 142DU 131GW FOR 146DU 131GW, 131HW FOR 147DU 131HW, 131MW are removed.
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