(Ref. Fig. 401A/TASK 38-31-55-991-001-A) **ON A/C ALL
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install the toilet shroud (Ref. TASK 25-45-22-400-001).

 (3) Close the lavatory door. Subtask 38-31-55-862-050
 B. De-energize the ground service network
 (Ref. TASK 24-42-00-862-001).

 TASK 38-31-55-100-001

 Cleaning of the Water Valve (Rinse Valve) FORWARD of the Wing
 1. Reason for the Job
__________________
 Refer to the MPD TASK: 383155-01 R Refer to the MPD TASK: 383155-51
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
38-31-00-710-009 Operational Test of the Toilet Unit
 38-31-55-000-001 Removal of the Water Valve
 38-31-55-400-001 Installation of the Water Valve
 CMM 383410
 CMM 383416
 CMM 383420

 3. Job Set-up
__________
 Subtask 38-31-55-010-052

 A. Remove the Component
 (1)
 Remove the water valve (Ref. TASK 38-31-55-000-001).

 (2)
 Remove the Rinse Valve Screen

 (a)
 Remove the water supply line to the water valve.

 (b)
 Remove the rinse valve screen.

 4. Procedure
_________

 Subtask 38-31-55-160-050
 A. Clean the Component (in the work shop)
 (1) Clean the water valve and the rinse valve screen:
 -
For the toilet assemblies with the P/N 14400-200 series (Ref. CMM 383410),

 -
For the toilet assemblies with the P/N 14320-001 series (Ref. CMM 383416),

 -
For the toilet assemblies with the P/N 14330-004 series (Ref. CMM 383420).

 5. Close-up
________ Subtask 38-31-55-410-051
 A. Install the Component
 (1)
 Install the water valve (Ref. TASK 38-31-55-400-001).

 (2)
 Install the Rinse Valve Screen

 (a)
 Put the rinse valve screen in position.

 (b)
 Install the water supply line.

 (3)
 Flush the toilet and make sure it flushes correctly (Ref. TASK 38-31-00-710-009)

 1EFF : ALL 1 38-31-55Page 416 1 1 Feb 01/05R 1 1 1CES 1

 TASK 38-31-55-100-002
 Cleaning of the Water Valve (Rinse Valve) AFT of the Wing

 1. Reason for the Job
__________________
 Refer to the MPD TASK: 383155-02 R Refer to the MPD TASK: 383155-52
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
38-31-00-710-009 Operational Test of the Toilet Unit
 38-31-55-000-001 Removal of the Water Valve
 38-31-55-400-001 Installation of the Water Valve
 CMM 383410
 CMM 383416
 CMM 383420

 3. Job Set-up
__________
 Subtask 38-31-55-010-053

 A. Remove the Component
 (1)
 Remove the water valve (Ref. TASK 38-31-55-000-001).

 (2)
 Remove the Rinse Valve Screen

 (a)
 Remove the water supply line to the water valve.

 (b)
 Remove the rinse valve screen.

 4. Procedure
_________ Subtask 38-31-55-160-051
 A. Clean the Component (in the workshop).
 (1) Clean the water valve and the rinse valve screen:
 -
For the toilet assemblies with the P/N 14400-200 series (Ref. CMM 383410),

 -
For the toilet assemblies with the P/N 14320-001 series (Ref. CMM 383416),

 -
For the toilet assemblies with the P/N 14330-004 series (Ref. CMM 383420).

 5. Close-up
________ Subtask 38-31-55-410-052
 A. Install the Component
 (1)
 Install the water valve (Ref. TASK 38-31-55-400-001).

 (2)
 Install the Rinse Valve Screen

 (a)
 Put the rinse valve screen in position.

 (b)
 Install the water supply line.

 (3)
 Flush the toilet and make sure it flushes correctly (Ref. TASK 38-31-00-710-009)

R 1EFF : ALL 1 38-31-55Page 418 1 1 Feb 01/05 1 1 1CES 1 **ON A/C 301-399,
　
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