(2)
 Open the 1/2 inch shut-off valve of the tank filling-cap assembly and drain the waste holding tank (Ref. TASK 38-31-00-680-001).

 Subtask 38-31-00-170-051
 D. Flush the Waste Holding Tank
 CAUTION: DO NOT USE A VACUUM OPERATED TOILET SERVICE VEHICLE.
 THE VACUUM CAN:

 -DAMAGE THE HOSES OF THE TANK FILLING-CAP ASSEMBLY AND CAN CAUSE INJURY TO PERSONNEL
 -SUCK UNWANTED MATERIALS THROUGH THE HOSES INTO THE WASTE HOLDING TANK WHICH CAN DAMAGE THE WASTE TANK.
 (1)
 Open the cap of the toilet drain connection and the fill and rinse connection at the waste service panel 172AR.

 (2)
 Connect the flush/fill hose (1 inch diameter) of the toilet service vehicle to the fill and rinse connection on the waste service panel 172AR.

 (3)
 Connect the toilet service-vehicle hose-adaptor and 4 inch diameter drain hose to the toilet drain connection on the waste service panel 172AR.

 (4)
 Push the PUSH TO OPEN lever on the waste service panel 172AR.

 (5)
 On the waste service panel 172AR move the drain valve control-handle from the NORMAL to the DRAIN position.

 (6)
 Switch on and operate the toilet service vehicle. Make sure that the water pressure is stable at 2.4 bar (34.81 psi) and the water flow is stable at 38.0 l (10.04 USgal) per minute.

 1EFF : ALL 1 38-31-00Page 730 1 1 May 01/05R 1 1 1CES 1

 (7) Flush the waste holding tank with approximately 57.0 l (15.06 USgal) of water. Make sure that the water (57.O l (15.06 USgal) completely flows out of the waste holding tank and the drain valve.
 NOTE : This will take approximately 90 seconds.
____
 (8)
 Switch off the toilet service vehicle.

 (9)
 Put the drain valve control-handle in the NORMAL position.

 (10)
 Disconnect the flush/fill hose (1 inch diameter) of the toilet service vehicle from the waste service panel 172AR.

 (11)
 Disconnect the toilet service-vehicle adaptor and the 4 inch diameter drain hose from the toilet drain connection on waste service panel 172AR.

 (12)
 Make sure that the work area is clean and clear of tool(s) and other items.

 Subtask 38-31-00-080-056
 E. Remove the Tank Filling-Cap Assembly
 (1)
 Remove, clean and disinfect the tank filling-cap assembly with the applicable tools and items.

 (2)
 Make sure that the work area is clean and clear of tool(s) and other items.

 Subtask 38-31-00-410-082
 F. Install the water separator (Ref. TASK 38-31-67-400-001). R **ON A/C 001-049, 051-099, 101-105,
 Subtask 38-31-00-865-090
 G. Remove the safety clip(s) and the tag(s) and close 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 38-31-00-865-090-A
 G. Remove the safety clip(s) and the tag(s) and close 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 38-31-00-865-090-B
 G. Remove the safety clip(s) and the tag(s) and close 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
　
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