A. Aircraft Maintenance Configuration
 (1) Make sure that the aircraft electrical circuits are energized (Ref. TASK 24-41-00-861-002).

 **ON A/C 001-049, 051-099, 101-105,
 Subtask 38-32-41-865-053
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and
 tagged -------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------2000VU LAV FWD - HOT WATER 1MB F02 2001VU LAVATORY AFT HOT WATER 2MB B02 2001VU LAVATORY AFT HOT WATER 9MB B03
 **ON A/C 106-149, 201-299,
 Subtask 38-32-41-865-053-A
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and
 tagged -------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------2000VU LAV FWD - HOT WATER A 1MB F02 2001VU LAVATORY AFT - HOT WATER D 2MB B02 2001VU LAVATORY AFT - HOT WATER E 9MB B03
 **ON A/C 151-199,
 Subtask 38-32-41-865-053-C
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and
 tagged -------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------2000VU LAV FWD - HOT WATER 1MB F02 2001VU LAVATORY AFT - HOT WATER D 2MB B02 2001VU LAVATORY AFT - HOT WATER E 9MB B03
 1EFF : 001-049, 051-099, 101-149, 151-199, 1 38-32-41Page 408 1201-299, 1Aug 01/05R 1 1 1CES 1

 **ON A/C 301-399,
 Subtask 38-32-41-865-053-B
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and
 tagged -------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------
2000VU LAV FWD & MID - HOT WATER 2000VU LAV FWD & MID - HOT WATER 2001VU LAVATORY AFT - HOT WATER 2001VU LAVATORY AFT - HOT WATER

R **ON A/C 401-499,
R Subtask 38-32-41-865-053-D
A  1MB  F02
10MB  F03
D/L  2MB  B02
E  9MB  B03 

R B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and R tagged R -------------------------------------------------------------------------------R PANEL SERVICE IDENT. LOCATION R -------------------------------------------------------------------------------R 2000VU LAVATORY FWD - HOT WATER 1MB C03 R 2001VU LAVATORY AFT - HOT WATER 2MB E02 R 2001VU LAVATORY AFT - HOT WATER 6MB E04
 **ON A/C ALL
 4. Procedure
_________
 **ON A/C 001-003, 051-052,
 (Ref. Fig. 401/TASK 38-32-41-991-001)

R **ON A/C 004-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 (Ref. Fig. 401A/TASK 38-32-41-991-001-A) **ON A/C ALL

 Subtask 38-32-41-420-051
 A. Installation of the Drain Valve 4251MM
 (1)
 Put the drain valve (5) in position.

 (2)
 Install the washers (4) and the screws (3).

 (3)
 Remove the blanking plugs and install the hoses (2) and (6).

 (4)
 Install the clamps (1).

 (5)
 Open the shut off valve (7).

 (6)
 Close the access panel to the potable water shut off valve.

 **ON A/C 001-049, 051-099, 101-105,
 Subtask 38-32-41-865-054
 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit
 breaker(s): -------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------2000VU LAV FWD - HOT WATER 1MB F02 2001VU LAVATORY AFT HOT WATER 2MB B02 2001VU LAVATORY AFT HOT WATER 9MB B03
 **ON A/C 106-149, 201-299,
 Subtask 38-32-41-865-054-A
 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit
 breaker(s): -------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------2000VU LAV FWD - HOT WATER A 1MB F02 2001VU LAVATORY AFT - HOT WATER D 2MB B02 2001VU LAVATORY AFT - HOT WATER E 9MB B03
 1EFF : ALL 1 38-32-41Page 410 1 1 Aug 01/05R 1 1 1CES 1

 **ON A/C 151-199,
 Subtask 38-32-41-865-054-C
 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): -------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------2000VU LAV FWD - HOT WATER 1MB F02 2001VU LAVATORY AFT - HOT WATER D 2MB B02 2001VU LAVATORY AFT - HOT WATER E 9MB B03
　
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