R **ON A/C 106-149, 151-199, 201-299,
 Subtask 38-31-00-865-107-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 38-31-00-865-107-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

 Subtask 38-31-00-614-052
 D. Pressurize the potable water system (Ref. TASK 38-10-00-614-001).
 4. Procedure
_________ R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
 Subtask 38-31-00-710-062
 A. Do this test.
 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. In all lavatories:  In the vacuum toilet system:
 - push each flush switch 51MG  - the vacuum generator 37MG operates.
 with a time delay of 15 +3 -3  - approx. 0.2 l (0.05 USgal) of water
 s.  flows into the toilet bowl.
 - air flows out of the ventilation port
 of the vacuum generator.
 - the toilet flush valve opens and the
 suction removes the water.
 2. At the waste service panel:
 - open the waste service-panel
 door 172AR.
 3. In two lavatories:  In the vacuum system:
 - push the flush switch 51MG.  - the vacuum generator 37MG does not
 operate.
 - the toilet does not flush.
 4. At the waste service panel:
 - close the waste service-panel
 door 172AR.
 5. In the lavatory:  In the vacuum toilet system:
 - push the flush switch 51MG.  - the vacuum generator 37MG operates.
 - the toilet flushes correctly.

R **ON A/C 106-149, 301-399, 401-499,
 Subtask 38-31-00-710-062-A
 A. Do this test.
 NOTE : Incorrect failure messages can show on the MCDU or FAP when a
____ toilet flush occurs flight. Make sure that no failure messages show on the Previous Flight Report or Last Leg Report before you do this test.
 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. In all lavatories:  In the vacuum toilet system:
 - push each flush switch 51MG  - the vacuum generator 37MG operates.
 with a time delay of 15 +3 -3  - approx. 0.2 l (0.05 USgal) of water
 s.  flows into the toilet bowl.
 - air flows out of the ventilation port
 of the vacuum generator.
 - the toilet flush valve opens and the
 suction removes the water.
 2. In two lavatories:  In the vacuum system:
 - push the flush switch of both  - the vacuum generator 37MG starts to
 toilets with a delay of 7 s.  operate and remains on until both
 toilets flush are completed.
 3. At the waste service panel:
 - open the waste service-panel
 door 172AR.
 4. In two lavatories:  In the vacuum system:
 - push the flush switch 51MG.  - the vacuum generator 37MG does not
 operate.
 - the toilet does not flush.
 5. At the waste service panel:
 - close the waste service-panel
 door 172AR.
 6. In the lavatory:  In the vacuum toilet system:
 - push the flush switch 51MG.  - the vacuum generator 37MG operates.
 - the toilet flushes correctly. 

R 1EFF : 106-149, 301-399, 401-499, 1 38-31-00Page 555 1 1 Aug 01/05 1 1 1CES 1 **ON A/C ALL

 5. Close-up
________ Subtask 38-31-00-614-053
 A. Release the pressure from the potable water system (Ref. TASK 38-10-00-614-002).
　
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