Subtask 30-71-53-865-057
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
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PANEL DESIGNATION IDENT. LOCATION
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R 2000VU POT/WASTE WIP HEATER LINE 1DW A02
R 2000VU POT/WASTE WIP HEATER CTL 2DW A01
4. Procedure
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(Ref. Fig. 401/TASK 30-71-53-991-003) Subtask 30-71-53-420-053
A. Installation of the Heater Element
(1) Preparation for installation: WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE THE
_______
SPECIAL MATERIAL.
THIS MATERIAL IS DANGEROUS.
(a) Clean the waste water line with CLEANING AGENTS (Material No. 11-001) and a lint-free cloth.
(2)
Do a visual inspection of the component interface and/or the adjacent area.
(3)
Put the heater element (5) in position on the waste water line (12).
(4)
Wind the BONDING AND ADHESIVE COMPOUNDS (Material No. 08-001) (6) on the heater element (5) and on the waste water line (12).
NOTE : Make sure that the heater element (5) is correctly installed
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on the waste water line (12).
(5)
Safety both ends of the BONDING AND ADHESIVE COMPOUNDS (Material No. 08-001) with the heat-shrink sleeve.
(6)
Connect the three wires of the heater element (5) to the terminal strip.
NOTE : Connect the electrical wires as identified during the removal
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procedure.
(7)
If removed, install the related temperature sensor (Ref. TASK 30-71-17-400-001).
(8)
Install the insulation sleeve (8) carefully on the waste water line (12).
NOTE : Make sure that the electrical connections do not touch the
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insulation sleeve (8).
(9) Put BONDING AND ADHESIVE COMPOUNDS (Material No. 08-001) (7) on the longitudinal cut of the insulation sleeve (8).
(10)
Install the insulation muffs (4), the adhesive tape (9) and safety it with the velcro tape (3).
(11)
Install the spacers (10) and the clamps (11).
(12)
Attach the identification and warning labels (1) with the cable ties (2).
NOTE : Do not damage the insulation sleeve (8) with the cable ties.
____ Subtask 30-71-53-865-058
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1DW, 2DW
Subtask 30-71-53-710-051
C. Do an operational test of the waste water ice-protection (Ref. TASK 30-71-00-710-002).
5. Close-up
________ Subtask 30-71-53-410-053
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 panel(s):
FOR 142DU
131GW
FOR 146DU
131GW, 131HW
FOR 147DU
131HW, 131MW
(3)
Set the CARGO COMPT LIGHT switch 6LU to OFF.
(4)
Close the FWD cargo-compartment door 825 (Ref. TASK 52-30-00-860-002).
(5)
Remove the access platform(s).
Subtask 30-71-53-862-052
B. De-energize the ground service network (Ref. TASK 24-42-00-862-001).
HEATER ELEMENT (43DU,44DU,45DU,46DU,47DU) - REMOVAL/INSTALLATION
________________________________________________________________ TASK 30-71-53-000-002 Removal of the Heater Elements (43DU, 44DU, 45DU, 46DU, 47DU)
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
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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 30-71-53-991-002 Fig. 401
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