A. Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
Subtask 38-31-71-680-050
B. Drain the waste holding tank 3300MM (Ref. TASK 38-31-00-680-001).
Subtask 38-31-71-790-050
C. Do the leak test of the vacuum toilet system and record the result of the test (Ref. TASK 38-31-00-790-002).
**ON A/C 001-049, 051-099, 101-105,
Subtask 38-31-71-865-059
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 A08
**ON A/C 106-149, 151-199, 201-299,
Subtask 38-31-71-865-059-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 38-31-71-865-059-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
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**ON A/C ALL
Subtask 38-31-71-010-050
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.
(3)
Open the access panel 162DW.
4. Procedure
_________ R **ON A/C 001-049, 052-099, 101-149, 151-199, 201-299, 301-399, 401-499,
(Ref. Fig. 401/TASK 38-31-71-991-001)
**ON A/C 051-051,
(Ref. Fig. 401A/TASK 38-31-71-991-001-A)
**ON A/C ALL
Subtask 38-31-71-020-050
A. Removal of the Waste Drain Valve 3340MM WARNING : ALWAYS WEAR RUBBER GLOVES, GOGGLES AND PROTECTIVE CLOTHES WHEN
_______ YOU DO THIS TASK.
(1)
Remove the tank drain line (10) (Ref. TASK 38-31-74-000-001).
(2)
Remove the nut (3) and the washer (2).
(3)
Remove the bolt (1) .
(4)
Remove the control lever (5).
(5)
Remove the nuts (8) and washers (7) and bolts (6).
(6)
Remove the waste drain valve 3340MM (9) and discard the o ring (4).
Waste Drain Valve
Figure 401/TASK 38-31-71-991-001
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R Waste Drain Valve
R Figure 401A/TASK 38-31-71-991-001-A
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1 1 May 01/05
1 1
1CES 1
(7)
Put blanking plugs on the disconnected line ends.
(8)
Clean the component interface and/or the adjacent area.
1EFF : ALL 1 38-31-71Page 407 1 1 May 01/05R 1 1 1CES 1
TASK 38-31-71-400-001
Installation of the Waste Drain Valve 3340MM
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.
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