3. Job Set-up
__________
Subtask 30-73-53-860-053
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 30-73-53-010-057
B. Get Access
(1)
Make sure that the 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 131GW, 131HW, 131MW are removed.
Subtask 30-73-53-865-054
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
124VU SVCE/601PP/602PP/SPLY 1PX BB01 R
4. Procedure
_________
(Ref. Fig. 401/TASK 30-73-53-991-002)
Subtask 30-73-53-420-051
A. Installation of the Heater Elements
(1)
Install the heater elements (10) on the pipe (12). NOTE : Make sure that the heater elements is correctly installed on
(2)
Attach the heater elements (10) with adhesive tape (9).
(3)
Connect the three wires of the heater element (10) to the terminal block.
(4)
Put the glass wool mat (7) on the pipe (12). NOTE : Make sure that the glass wool mat (7) is in correct position
____
on the water pipe.
(5)
Put the adhesive tape (11) on the junction line of the glass wool mat (7).
(6)
Put the insulation muffs (8) in position.
(7)
Put the adhesive tape (6) on the junction line of the insulation muffs (8).
(8)
Put the hook and loop tape in position (5).
(9)
FOR 4DW, 9DW Put the label (1) and the CAUTION label (2) in position. Attach them with ties. FOR 16DW Put the label (1) in position. Attach it with ties.
____
the bridges (13).
(10) FOR 4DW, 9DW Bond the DRINKING WATER marker (4) and the flow direction marker (3).
NOTE : The flow direction arrow on the marker (3) must point forward.
____
FOR 16DW
Not applicable.
(11) Close the protective cover (14).
Subtask 30-73-53-865-055
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit
breaker(s): R 1PX.
Subtask 30-73-53-720-050
C. Do the functional test of the potable-water ice protection (Ref. TASK 30-73-00-720-001).
5. Close-up
________ Subtask 30-73-53-410-051
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 4DW 131GW, 131HW FOR 9DW 131HW, 131MW FOR 16DW 131HW.
(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 30-73-53-862-053
B. De-energize the ground service network (Ref. TASK 24-42-00-862-001).
1EFF : 001-049, 051-099, 101-149, 201-299, 1 30-73-53Page 409 1 1 Config-1 Aug 01/05R 1 1 1CES 1
HEATER ELEMENTS (4DW,16DW) - REMOVAL/INSTALLATION
_________________________________________________ TASK 30-73-53-000-007 Removal of the Potable-Water De-icing Heater Elements (4DW, 16DW, 335DW)
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