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 1. Reason for the Job__________________
 Self Explanatory
 2. Job Set-up Information______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
R  No specific No specific No specific  blanking capblanking plugs circuit breaker(s) safety clip(s)

 

 B. Referenced Information

 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External
 Power
 25-45-22-000-001 Removal of the Toilet Shroud and the Seat
 38-10-00-614-002 Depressurization of the Potable Water System

 **ON A/C 001-003, 051-052,
 38-31-56-991-001 Fig. 401

R **ON A/C 004-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 38-31-56-991-001-B Fig. 401A
 **ON A/C ALL
 3. Job Set-up
__________
 Subtask 38-31-56-861-050
 A. Energize the ground service network
 (Ref. TASK 24-42-00-861-001).

 **ON A/C 001-049, 051-099, 101-105,
 Subtask 38-31-56-865-059
 B. Open, safety and tag this(these) circuit breaker(s): -------------------------------------------------------------------------------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 38-31-56-865-059-A
 B. Open, safety and tag this(these) circuit breaker(s): -------------------------------------------------------------------------------
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 38-31-56-865-059-B
 B. Open, safety and tag this(these) circuit breaker(s): ------------------------------------------------------------- ------------------
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 38-31-56-010-051
 C. Get Access
 (1)
 Open the lavatory door.

 (2)
 Remove the toilet shroud (Ref. TASK 25-45-22-000-001).

 (3)
 Make sure that the water system is depressurized (Ref. TASK 38-10-00-614-002).

 (4)
 Close the shut off valve (5).

 (5)
 Put a blanking cap in the suction port of the toilet bowl.

 

 

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

 (Ref. Fig. 401/TASK 38-31-56-991-001) R **ON A/C 004-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 (Ref. Fig. 401A/TASK 38-31-56-991-001-B)
 **ON A/C ALL

 Subtask 38-31-56-020-050
 A. Removal of the Anti-Syphon Valve
 (1)
 Remove the coupling clamp (7).

 (2)
 Remove the sleeve (8).

 (3)
 Remove and discard the O-rings (6).

 (4)
 Remove the nuts (3) and the washers (2).

 (5)
 Remove the anti-syphon valve (4).

 (6)
 Remove and discard the O-ring (1).

 (7)
 Put blanking plugs on the disconnected line ends.

 

 Anti-Syphon Valve
 Figure 401/TASK 38-31-56-991-001

R 1EFF : 001-003, 051-052, 1 38-31-56Page 405 1 1 May 01/05 1 1 1CES 1
　
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