(2)
Remove the sleeve (5) from around the clamp sensor assembly (1) and the clamp (2).
(3)
Disconnect the two wires of the clamp sensor assembly (1) from the terminal strip.
(4)
Put blanking caps on the disconnected electrical connectors.
(5)
On the potable water pipe, remove the screws (3) and (4) from the clamp sensor assembly (1) and the clamp (2).
(6)
Remove the clamp (2).
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Potable-Water De-icing Sensor
Figure 401/TASK 30-73-17-991-002
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(7) Remove the clamp sensor assembly (1).
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TASK 30-73-17-400-002
Installation of the Potable-Water De-icing Sensor (10DW)
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 m (6 ft. 7 in.)
B. 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 30-73-00-720-001 Functional Test of the Potable Water Ice-Protection 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 30-73-17-991-002 Fig. 401
3. Job Set-up
__________
Subtask 30-73-17-860-051
A. Aircraft Maintenance Configuration
(1) Make sure that the ground service network is energized (Ref. TASK 24-42-00-861-001).
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Subtask 30-73-17-010-053
B. Get Access
(1)
Make sure that the access platform is in position at the FWD cargo-compartment door 825 (Ref. TASK 52-30-00-860-001).
(2)
Make sure that the FWD cargo-compartment 825 is open.
(3)
Make sure that the CARGO COMPT LIGHT switch 6LU is at ON.
(4)
In the FWD cargo-compartment, make sure that the panel 131HW is removed.
Subtask 30-73-17-865-054
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
R C/B NOT APPLICABLE
4. Procedure
_________
(Ref. Fig. 401/TASK 30-73-17-991-002)
Subtask 30-73-17-420-052
A. Installation of the Sensor
(1)
On the potable water pipe, install the clamp sensor assembly (1) and the clamp (2) with the screws (3) and (4).
(2)
Tighten the screws (3) and (4).
(3)
Remove the blanking caps from the electrical connectors.
(4)
Make sure that the electrical connectors are clean and in the correct condition.
(5)
Connect the two wires of the sensor to the terminal strip.
(6)
Install the sleeve (5) around the clamp sensor assembly (1).
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(7)
Make sure that the sleeve (5) is correctly installed around the sensor and the pipes.
(8)
Install the velcro tape (6) to attach the sleeve (5) around the clamp sensor assembly (1).
Subtask 30-73-17-865-055
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1DW, 2DW.
Subtask 30-73-17-720-050
C. Do the functional test of the potable-water ice protection (Ref. TASK 30-73-00-720-001).
5. Close-up
________ Subtask 30-73-17-410-051
A. Close Access
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