C. Drain/Flush and Disinfect the Waste System
(1)
Drain and flush the waste holding tank (Ref. TASK 38-31-00-680-001).
(2)
Disinfect the waste system: WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE THE
_______
SPECIAL MATERIAL.
THIS MATERIAL IS DANGEROUS.
(a) Put 2 l (0.528 USgal) of DISINFECTANTS (Material No. 14-001A) in each toilet bowl and flush them through.
NOTE : This step is done to make sure that the complete toilet
____
system is disinfected.
Subtask 38-31-00-860-059
D. Aircraft Maintenance Configuration
(1) Put the warning notice(s) in position to tell persons not to use:
-
The toilet system
-
The waste drain system
-
The potable water system.
4. Procedure
_________
(Ref. Fig. 704/TASK 38-31-00-991-011) Subtask 38-31-00-790-055
A. Do the Leak Test
(1) Do the leak test of the vacuum toilet system and make a note of the test results (Ref. TASK 38-31-00-790-002).
NOTE : This test is done to compare the leak test values before and
____
after the installation.
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Subtask 38-31-00-010-083
B. Open the Waste Line
WARNING : ALWAYS WEAR RUBBER GLOVES, GOGGLES AND PROTECTIVE CLOTHES WHEN
_______
YOU DO THIS TASK.
(1)
Put a plastic sheet over the outflow valve and the adjacent area to prevent contamination from sewage.
(2)
Put an applicable container below the waste line (1) to collect sewage.
(3)
Remove the clamp (4), the plugs (3) and (5).
(4)
Remove and discard the O-ring (2).
Subtask 38-31-00-140-051
C. Remove the Blockage
WARNING : ALWAYS WEAR RUBBER GLOVES, GOGGLES AND PROTECTIVE CLOTHES WHEN
_______
YOU DO THIS TASK.
(1)
Make sure that the applicable container is set below the opened waste line.
(2)
Use an applicable tool (flexible spiral (diameter 8mm) or rod) for the removal of blockages and waste particles:
NOTE : To prevent damage to the waste-holding tank-diverter:
____
-Don't use the spiral or rod in a length of more than the distance between the waste line access and the diverter (6).
(a)
Put a rod in waste line (1) access area view A and carefully remove:
-The blockages
-All residuals from the inside of the waste line
-The waste particles and other particles from the inner sides of the waste line (1).
(b)
Put the spiral in waste line (1) access area view A and carefully remove:
-The blockages
-All residuals from the inside of the waste line
-The waste particles and other particles from the inner sides of the waste line (1).
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(c) Put the spiral in waste line (1) access area view A and carefully remove the waste at the tank inlet area view C.
NOTE : Make sure that you do not damage the waste line or and the
____ diverter when you do this work.
(3)
Remove the spiral and the rod. Subtask 38-31-00-100-054
D.
Clean and disinfect the rod, the spiral and the container. Subtask 38-31-00-410-080
E. Close the Waste Line
(1)
Make sure that the items which you install are in a good condition.
(2)
Lubricate the new O-ring (2) with grease COMMON GREASE (Material No. 04-011) and install it on the waste line (1).
(3)
Lubricate the plug (3) with COMMON GREASE (Material No. 04-011) and move the plug (3) into the waste line (1).
(4)
Put the plugs (3) and (5) in position and install the clamp (4).
(5)
Make sure that the work area is clean and clear of tool(s) and other items.
Subtask 38-31-00-790-056
F. Do the Leak Test
(1) Do the leak test of the vacuum toilet system and make a note of the result of the test (Ref. TASK 38-31-00-790-002).
NOTE : Make sure that the values are correct.
____ Subtask 38-31-00-710-065
G. Do the Test of the Free Flow
(1) Put 2 l (0.528 USgal) of water (Ref. TASK 38-31-00-100-005) in each toilet bowl and flush them through.
NOTE : The use of vinegar and crushed ice with 2 l (0.528 USgal) make
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