(2)
 Open the applicable lavatory door.

 (3)
 Remove the toilet shroud.

 (a) Remove the screws (1).
 (b) Remove the shroud (2).
 Subtask 38-31-00-614-050

 C. Pressurize the potable water system (Ref. TASK 38-10-00-614-001).
 4. Procedure
_________
 Subtask 38-31-00-710-056

 A. Do the Test
 (1) Operate the toilet flush switch.
 (2) Make sure that the toilet flushes satisfactorily.
 Subtask 38-31-00-790-050

 B. Examine the cap of the antisyphon valve for leaks. If leaks are found replace the valve (Ref. TASK 38-31-56-000-001).

 Antisyphon Valve R Figure 502/TASK 38-31-00-991-004
R 1EFF : 001-003, 051-061, 1 38-31-00Page 524 1 1 May 01/05 1 1 1CES 1

 Antisyphon Valve
 Figure 502A/TASK 38-31-00-991-004-A

R 1EFF : 004-049, 062-099, 101-149, 151-199, 1 38-31-00Page 525 1201-299, 301-399, 401-499, 1Aug 01/05 1 1 1CES 1

 5. Close-up
________ Subtask 38-31-00-614-051
 A. Depressurize the potable water system (Ref. TASK 38-10-00-614-002). Subtask 38-31-00-410-061
 B. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install the toilet shroud.

 (a)
 Put the shroud (2) in position.

 (b)
 Install the screws (1).

 (3) Close the lavatory door. Subtask 38-31-00-862-056
 C. De-energize the ground service network
 (Ref. TASK 24-42-00-862-001).

 1EFF : ALL 1 38-31-00Page 526 1 1 May 01/05R 1 1 1CES 1

 TASK 38-31-00-710-007
 Operational Test of the Vacuum Toilet System (vacuum generator not working)

 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-16-38-613-001 Servicing of the Toilet System 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 38-31-00-680-001 Draining of the Toilet System
 3. Job Set-up
__________
 Subtask 38-31-00-861-057

 A. Energize the ground service network
 (Ref. TASK 24-42-00-861-001).

 Subtask 38-31-00-010-066
 B. Get Access
 (1) Get access to the cabin.
 (2) Open the lavatory door (s). R **ON A/C 001-049, 051-099, 101-105,
 Subtask 38-31-00-865-103
 C. Make sure that this(these) circuit breaker(s) is(are) closed: -------------------------------------------------------------------------------

PANEL SERVICE IDENT. LOCATION
 -------------------------------------------------------------------------------
2001VU VACUUM TOILET SYSTEM/LAVATORY POWER 32MG A01
 2001VU VACUUM TOILET SYSTEM/LAVATORY POWER 45MG A02
 2001VU VACUUM TOILET SYSTEM/LAVATORY POWER 39MG A03
 2001VU VACUUM TOILET SYSTEM/LAVATORY POWER 34MG A04
 2001VU VACUUM TOILET SYSTEM/VACUUM SYS 35MG A06
 2001VU VACUUM TOILET SYSTEM/VACUUM GEN 33MG A08

R **ON A/C 106-149, 151-199, 201-299,
 Subtask 38-31-00-865-103-A
 C. Make sure that this(these) circuit breaker(s) is(are) closed: -------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------2001VU VACUUM TOILET SYSTEM/LAVATORY POWER A 32MG A01 2001VU VACUUM TOILET SYSTEM/LAVATORY POWER 45MG A02 2001VU VACUUM TOILET SYSTEM/LAVATORY POWER D 39MG A03 2001VU VACUUM TOILET SYSTEM/LAVATORY POWER E 34MG A04 2001VU VACUUM TOILET SYSTEM/VACUUM SYS 35MG A06 2001VU VACUUM TOILET SYSTEM/VACUUM GEN 33MG A08
 **ON A/C 301-399,
 Subtask 38-31-00-865-103-B
 C. Make sure that this(these) circuit breaker(s) is(are) closed: -------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------
2001VU VACUUM TOILET SYSTEM/LAVATORY POWER A 32MG A01 2001VU VACUUM TOILET SYSTEM/LAVATORY POWER L 45MG A02 2001VU VACUUM TOILET SYSTEM/LAVATORY POWER D 39MG A03 2001VU VACUUM TOILET SYSTEM/LAVATORY POWER E 34MG A04 2001VU VACUUM TOILET SYSTEM/VACUUM SYS 35MG A06 2001VU VACUUM TOILET SYSTEM/VACUUM GEN 33MG A08 **ON A/C ALL

 4. Procedure
　
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