B. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the
 External Power 38-31-00-680-001 Draining of the Toilet System 38-31-00-790-002 Leak Test of the Vacuum Toilet System 52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the
 Yellow Electric Pump
 38-31-74-991-001 Fig. 401

 3. Job Set-up
__________
 Subtask 38-31-74-861-050
 A. Energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-861-002).

 Subtask 38-31-74-680-050
 B. Drain the waste holding tank 3300 MM (Ref. TASK 38-31-00-680-001).
 Subtask 38-31-74-790-050
 C. Do the leak test of the vacuum toilet system and record the result of the test (Ref. TASK 38-31-00-790-002).

R **ON A/C 001-049, 051-099, 101-105,
 Subtask 38-31-74-865-059
 D. 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 A08R **ON A/C 106-149, 151-199, 201-299,

 Subtask 38-31-74-865-059-A
 D. 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 38-31-74-865-059-B
 D. 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 38-31-74-010-050
 E. Get Access
 (1)
 Open the AFT cargo compartment door (Ref. TASK 52-30-00-860-001).

 (2)
 Put the ACCESS PLATFORM 2M (6 FT) in position at the AFT cargo-compartment door Z826 and at the waste service panel 172AR.

 (3)
 Remove the access panel 162DW.

 4. Procedure
_________
 (Ref. Fig. 401/TASK 38-31-74-991-001) Subtask 38-31-74-020-050
 A. Removal of the Waste Tank-Drain Line WARNING : ALWAYS WEAR RUBBER GLOVES, GOGGLES AND PROTECTIVE CLOTHES WHEN
_______ YOU DO THIS TASK.
 (1)
 Remove the quick-coupler clamp (1).

 (2)
 Move the sleeve (2) to the rear.

 (3)
 Remove and discard the O-rings (4).

 (4)
 Remove the nuts (10) and washers (9) and bolts (8).

 (5)
 Remove the bonding strap (7).

 (6)
 Remove the tank drain line (5).

 (7)
 Remove and discard the O-ring (6).

 (8)
 Put blanking plugs on the disconnected line ends.

 1EFF : ALL 1 38-31-74Page 404 1 1 Feb 01/05R 1 1 1CES 1

 Waste Tank Drain Line Figure 401/TASK 38-31-74-991-001
 1EFF : 1 1R 1CES  ALL  1 11 1 38-31-74 Page 405 Feb 01/05

 TASK 38-31-74-400-001

 Installation of the Waste Tank Drain Line
 WARNING : DO NOT DO WORK ON THE TOILET WASTE SYSTEM AND THE POTABLE WATER
_______ SYSTEM AT THE SAME TIME. THIS WILL PREVENT CONTAMINATION OF THE POTABLE WATER SYSTEM. SUCH CONTAMINATION CAN BE DANGEROUS TO HEALTH.
 WARNING : ALWAYS USE RUBBER GLOVES WHEN YOU DO WORK:
_______
 -
ON THE TOILET WASTE SYSTEM, OR

 -
ON PARTS THAT HAVE CONTAMINATION FROM THE WASTE SYSTEM.
 WHEN YOU COMPLETE THE WORK PROCEDURE, CLEAN YOUR HANDS WITH SOAP AND
　
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