(1)
Clean the waste water line with CLEANING AGENTS (Material No. 11-001) and a lint free cloth.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Put the heater element (7) in position on the waste water line.
(4)
Attach the heater element (7) to the waste water line with the BONDING AND ADHESIVE COMPOUNDS (Material No. 08-001) (6) and with the heat-skrink sleeve (8).
(5)
Make sure that the electrical connectors are clean and in the correct condition.
(6)
Connect the three wires (5) of the heater element (7) to the terminal strip.
NOTE : Connect the electrical wires as identified during the removal
____
procedure.
(7) If necessary, install the waste-water de-icing sensor (141DU) (Ref. TASK 30-71-17-400-002).
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(8) Insulate all the waste water lines with the insulation sleeve (10).
NOTE : Make sure that the electrical connections do not touch the
____
insulation sleeve (10).
(9) Put BONDING AND ADHESIVE COMPOUNDS (Material No. 08-001) (9) on the longitudinal cut of the insulation sleeve (10).
(10)
Install the insulation muffs (4), the adhesive tape and safety it with the velcro tape (3).
(11)
Install the spacers (2) and the clamps (1).
(12)
Attach the identification and warning labels with the new cable ties. NOTE : Do not damage the insulation sleeve (10) with the cable ties.
____
Subtask 30-71-53-865-067
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit
breaker(s): R C/B NOT APPLICABLE
Subtask 30-71-53-710-055
C. Do an operational test of the waste-water ice-protection (Ref. TASK 30-71-00-710-002).
5. Close-up
________
Subtask 30-71-53-410-056
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
In the FWD cargo compartment, install the access panel(s): FOR 48DU 131GW, 131HW FOR 49DU 131HW, 131EG, 131DG, 131CG FOR 142DU 131GW.
(3)
Set the CARGO COMPT LIGHT switch 6LU to OFF.
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(4) Close the FWD cargo-compartment door 825 (Ref. TASK 52-30-00-860-002).
(5) Remove the access platform(s). Subtask 30-71-53-862-055
B. De-energize the ground service network
(Ref. TASK 24-42-00-862-001).
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HEATER ELEMENT (142DU,146DU,147DU) - REMOVAL/INSTALLATION
_________________________________________________________ TASK 30-71-53-000-003 Removal 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 circuit breaker(s) safety clip(s) No specific access platform 2 m (6 ft. 7 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External
Power 30-71-17-000-001 Removal 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 30-71-53-991-003 Fig. 401
3. Job Set-up
__________ Subtask 30-71-53-861-052
A. Energize the ground service network
(Ref. TASK 24-42-00-861-001).
Subtask 30-71-53-010-055
B. Get Access
(1)
Put an access platform in position at the FWD cargo-compartment door
825.
(2)
Open the FWD cargo-compartment door 825 (Ref. TASK 52-30-00-860-001).
(3)
Set the CARGO COMPT LIGHT switch 6LU to ON position.
(4)
In the FWD cargo-compartment, remove the panels:
FOR 142DU
131GW
FOR 146DU
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