Subtask 30-73-17-010-055
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 door 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 these panel(s) is (are) removed: FOR 10DW 131HW FOR 300DW 131RW, 131PW
Subtask 30-73-17-865-057
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------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 30-73-17-991-003)
Subtask 30-73-17-420-053
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 block.
(6)
Install the sleeve (5) around the clamp sensor assembly (1).
(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 30-73-17-865-058
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1DW, 2DW
Subtask 30-73-17-720-052
C. Do the functional test of the potable water ice-protection (Ref. TASK 30-73-00-720-001).
5. Close-up
________ Subtask 30-73-17-410-052
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install the panel(s):
FOR 10DW
131HW
FOR 300DW
131RW, 131PW
(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 30-73-17-862-052
B. De-energize the ground service network
(Ref. TASK 24-42-00-862-001).
CONTROL UNIT - POTABLE WATER ICE PROTECTION (3DW) - REMOVAL/INSTALLATION
________________________________________________________________________
TASK 30-73-34-000-001
Removal of the Potable and Waste Water Ice Protection Control Unit (3DW)
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking caps
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 52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump 30-73-34-991-001 Fig. 401
3. Job Set-up
__________
Subtask 30-73-34-861-050
A. Energize the ground service network
(Ref. TASK 24-42-00-861-001).
Subtask 30-73-34-865-050
B. Open, safety and tag this(these) circuit breaker(s): R
R R R R R -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------2000VU WATER SYSTEM ICE PROT HTR 1DW D07 2000VU WATER SYSTEM ICE PROT CTL 2DW D08
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