C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power 24-42-00-862-001 De-energize the Ground Service Network Supplied from
the External Power 38-31-00-680-001 Draining of the Toilet System 12-16-38-991-001 Fig. 301
3. Job Set-up
__________
Subtask 12-16-38-861-050
A. Energize the ground service network
(Ref. TASK 24-42-00-861-001).
Subtask 12-16-38-680-051
B. You must drain the waste holding tank when the outside air temperature is as shown in the table (Ref. TASK 38-31-00-680-001).
Table 1 - Waste-Holding-Tank Drain Configuration
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------------------------------------------------------------------------------
R | Configuration | | |
R |---------------------------------------------------| Exposure | Waste |
R | Air | Cabin | Outside air | time | holding |
R |conditioning|temperature| temperature | | tank drain|
R |------------|-----------|--------------------------|------------|-----------|
R | | | Between 0 and -15DEG.C | | Not |
R | ON | Above | 32 and 5DEG.F | Any | required |
R | | 10DEG.C |--------------------------|------------|-----------|
R | | | Below -15DEG.C | | |
R | | 50DEG.F | 5DEG.F | 1 h 15 min | |
R |------------|-----------|--------------------------|------------| |
R | | | Between 0 and -7DEG.C | | |
R | | | 32 and 19.4DEG.F | 1 h 30 min | Required |
R | | |--------------------------|------------| |
R | OFF | | Between -7 and -15DEG.C | | |
R | | | 19.4 and 5DEG.F | 0 h 30 min | |
R | | |--------------------------|------------| |
R | | | Below -15DEG.C | | |
R | | | 5DEG.F | Any | |
R |----------------------------------------------------------------------------|
R | After you have drained the waste holding tank, you must refill it with warm|
R | disinfectant at 30DEG.C (86DEG.F) 30 minutes before you start the engines. |
------------------------------------------------------------------------------
Subtask 12-16-38-010-050
C. Get Access
R (1) Put the ACCESS PLATFORM 2M (6 FT) in position.
R (2) Put the CART - SERVICING, TOILET in position.
(3) Open the access door 172AR.
4. Procedure_________
Subtask 12-16-38-680-050
A. Draining of the System
(Ref. Fig. 301/TASK 12-16-38-991-001)
CAUTION : MAKE SURE THAT THE VACUUM PRESSURE IS NOT MORE THAN 6 PSI (0,4_______
BAR) MAXIMUM, IF YOU USE A VACUUM OPERATED TOILET SERVICE
VEHICLE. A HIGHER VACUUM PRESSURE CAN CAUSE DAMAGE TO THE
VACUUM TOILET SYSTEM.
Service Panel - Location
Figure 301/TASK 12-16-38-991-001
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1 1 Feb 01/98
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(1) Open the cap of the toilet drain connection and the fill and rinse connection.
(2) Connect the toilet service-vehicle hose-adapter and the 4-inch diameter drain hose to the toilet drain connection.
(3) Push the PUSH TO OPEN lever (1).
(4) Move the drain valve control-handle 3341MM from the CLOSE to the OPEN position.
NOTE : The waste will drain.____
Subtask 12-16-38-170-050
B. Flushing of the Toilet System
(1) Connect the flush/fill hose (1-inch diameter) of the toilet service vehicle to the fill and rinse connection.
(2) Operate the toilet service vehicle.
R R (3) 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.
R R (4) Flush the toilet system with approximately 57.0 l (15.06 USgal) of water.
NOTE : This will take approximately 90 s.____
NOTE : The drain valve must be in the OPEN position.____
(5) Touch the drain hose and make sure that the fluid has drained completely.
(6) Switch off the toilet service vehicle.
(7) Push the drain valve control-handle 3341M to the CLOSE position.
Subtask 12-16-38-613-051
C. Disinfection of the Waste Holding Tank (Ref. Fig. 301/TASK 12-16-38-991-001)
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