**ON A/C ALL

 Subtask 38-31-12-020-051
 A. Removal of the Flush Control Unit
 (1) Disconnect the electrical connectors (4, 6, 7 and 8). NOTE : Make match marks on the electrical connectors before you
____ disconnect them.
 (2)
 Put blanking caps on the disconnected electrical connectors.

 (3)
 Remove the nuts (3) the washers (2) and the bolts (1).

 (4)
 Remove the flush control unit (5).

 1EFF : ALL 1 38-31-12Page 406 1 1 May 01/05R 1 1 1CES 1

 TASK 38-31-12-400-001 Installation of the Flush Control Unit NOTE : The installation of the flush control unit in the lavatories is the
____
 same.

 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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
 25-45-22-400-001 Installation of the Toilet Shroud and the Seat
 38-31-00-710-009 Operational Test of the Toilet Unit

 **ON A/C 001-003, 051-052,
 38-31-12-991-001 Fig. 401 R **ON A/C 004-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 38-31-12-991-001-C Fig. 401A
 **ON A/C ALL

 3. Job Set-up
__________
 Subtask 38-31-12-860-050

 A. Aircraft Maintenance Configuration
 (1) Make sure that the ground service network is energized from the external power (Ref. TASK 24-42-00-861-001).

 **ON A/C 001-049, 051-099, 101-105,
 Subtask 38-31-12-865-057
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and
 tagged -------------------------------------------------------------------------------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
 **ON A/C 106-149, 151-199, 201-299,
 Subtask 38-31-12-865-057-A
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and
 tagged -------------------------------------------------------------------------------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 38-31-12-865-057-B
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 38-31-12Page 408 1201-299, 301-399, 1Aug 01/05 1 1 1CES 1

 -------------------------------------------------------------------------------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
_________
 **ON A/C 001-003, 051-052,

 (Ref. Fig. 401/TASK 38-31-12-991-001) R **ON A/C 004-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 (Ref. Fig. 401A/TASK 38-31-12-991-001-C)
 **ON A/C ALL

 Subtask 38-31-12-420-050
 A. Installation of the Flush Control Unit
 (1)
 Clean the component interface and/or the adjacent area.

 (2)
 Do an inspection of the component interface and/or the adjacent area.

 (3)
 Put the flush control unit (5) in position.

 (4)
 Install the bolts (1) the washers (2) and the nuts (3).

 (5)
 Remove the blanking caps from the electrical connectors.

 (6)
 Make sure that the electrical connectors are clean and in the correct condition.
　
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