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 AMM 38-31-57-400-001 Installation of the Flush Valve
 AMM 38-31-57-820-001 Adjustment of the Open and Close Limit Switches
 ASM 38-31/14
 38-31-00-991-001 Fig. 201
 3. Fault Confirmation
__________________
 A. Do a test of the vacuum toilet system (Ref. AMM TASK 38-31-00-710-009).
 B. Do the bite test (Ref. AMM TASK 38-31-00-740-001).
 4. Fault Isolation
_______________
 A. If the test gives a different maintenance message, you can find the related trouble shooting procedure in the applicable Page Block 101.
 B. If the operational test does not operate:
 - Refer to the bite test last leg or previous leg report. (Ref. Fig. 201/TASK 38-31-00-991-001)
 (1) If the TROUBLE SHOOTING DATA page gives the maintenance message LAV X FCU:
 - replace the FCU (Ref. AMM TASK 38-31-12-000-001) and (Ref. AMM TASK 38-31-12-400-001).
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 051-099, 101-105, 151-199, ∞∞38-31-00∞∞∞∞∞∞∞∞∞∞Page 243
 201-299, May 01/05 CES If the fault continues:

 - do a check and repair the wiring between the:
 - FCU connector J2/B / J2/A / J2/C and flush valve motor (Ref. ASM 38-31/14).
 C. If the operational test does not operate:
 - Refer to the bite test last leg or previous leg report.
 (Ref. Fig. 201/TASK 38-31-00-991-001)

 (1) If the TROUBLE SHOOTING DATA page gives the maintenance message LAV X WATER VALVE:
 - replace the WATER VALVE, (Ref. AMM TASK 38-31-55-000-001) and (Ref. AMM TASK 38-31-55-400-001).
 D. If the operational test does not operate:
 - Refer to the bite test last leg or previous leg report.
 (Ref. Fig. 201/TASK 38-31-00-991-001)

 (1) If the TROUBLE SHOOTING DATA page gives the maintenance message LAV X FLUSH VALVE MOTOR:

 - make sure that the flush valve is not blocked.

 - if blocked, remove the blockage (Ref. AMM TASK 38-30-00-615-002).

 

 (2) If the fault continues:

 - replace the FLUSH VALVE, (Ref. AMM TASK 38-31-57-000-001) and (Ref. AMM TASK 38-31-57-400-001).
 E. If the operational test does not operate:
 - Refer to the bite test last leg or previous leg report.
 (Ref. Fig. 201/TASK 38-31-00-991-001)

 (1) If the TROUBLE SHOOTING DATA page gives the maintenance message LAV X FLUSH VALVE CLOSED LIMIT SWITCH: or LAV X FLUSH VALVE OPEN LIMIT SWITCH:

 - adjust the closed or the open limit switch (Ref. AMM TASK 38-31-57-820-001).

 (2) If the fault continues:

 - replace the FLUSH VALVE, (Ref. AMM TASK 38-31-57-000-001) and (Ref. AMM TASK 38-31-57-400-001).
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 051-099, 101-105, 151-199, ∞∞38-31-00∞∞∞∞∞∞∞∞∞∞Page 244
 201-299, May 01/05 CES

 F. Test

 (1) Do the test as given in paragraph 3. A. to check the correct operation.

 (2) After the subsequent flight, make sure that the fault does not continue.

 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 051-099, 101-105, 151-199, ∞∞38-31-00∞∞∞∞∞∞∞∞∞∞Page 245
 201-299, May 01/05 CES

 TASK 38-31-00-810-833

 Vacuum Toilet System Indicates INOP on FAP
 1. Possible Causes
_______________
 - XMTR-LEVEL PHASE OFF (40MG)

 - Liquid Level Transmitter (LLT) REFERENCE LINE

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R AMM 38-31-00-100-009 Cleaning of the Liquid Level Transmitter (LLT)
 Reference Line AMM 38-31-00-710-009 Operational Test of the Toilet Unit AMM 38-31-00-740-001 BITE Test of the Vacuum Toilet System AMM 38-31-62-000-001 Removal of the Liquid Level Transmitter (40MG) AMM 38-31-62-400-001 Installation of the Liquid Level Transmitter (40MG) 38-31-00-991-001 Fig. 201
 3. Fault Confirmation
__________________
 A. Fault Confirmation Test
 (1) Make sure that the circuit breakers of the vacuum toilet system are closed.

 (2) Do an operational test of the vacuum toilet system (Ref. AMM TASK 38-31-00-710-009).
　
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