R 1EFF : 004-049, 053-099, 101-149, 151-199, 1 38-30-00Page 4 1201-299, 301-399, 401-499, 1Aug 01/05 1 1 1CES 1

 WASTE DISPOSAL - MAINTENANCE PRACTICES
______________________________________
 TASK 38-30-00-615-002
 Blockage Removal (Orbital Flush Valve)
 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
 WATER.
 THIS WILL PREVENT INFECTION (TOILET WASTE IS DANGEROUS FOR HEALTH).

 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific 3/16 inch open wrench
 No specific 1 COVER - PLASTIC, FILM R No specific Torque Wrench : range 0.00 to 1.20 m.daN R (0.00 to 9.00 lbf.ft)
 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
No specific tape

 C. Referenced Information

 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
12-16-38-613-001 Servicing of the Toilet System 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 25-45-22-000-001 Removal of the Toilet Shroud and the Seat 25-45-22-400-001 Installation of the Toilet Shroud and the Seat 38-31-00-710-009 Operational Test of the Toilet Unit CMM 383416 38-31-41-000-001 Removal of a Toilet Assembly (for corrective action)
 **ON A/C 001-003, 051-052,
 38-30-00-991-001 Fig. 201

R **ON A/C 004-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 38-30-00-991-001-A Fig. 201A
 **ON A/C ALL
 3. Job Set-up
__________
 Subtask 38-30-00-861-055
 A. Energize the ground service network
 (Ref. TASK 24-42-00-861-001)

 Subtask 38-30-00-010-059
 B. Get Access
 **ON A/C 001-003, 051-052,
 (Ref. Fig. 201/TASK 38-30-00-991-001)

 Toilet Flush Valve - Blockage Removal
 Figure 201/TASK 38-30-00-991-001

R 1EFF : 001-003, 051-052, 1 38-30-00Page 203 1 1 May 01/05 1 1 1CES 1R **ON A/C 004-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,

 (Ref. Fig. 201A/TASK 38-30-00-991-001-A)
 **ON A/C ALL

 WARNING : ALWAYS WEAR RUBBER GLOVES, GOGGLES AND PROTECTIVE CLOTHES WHEN
_______
 YOU DO THIS TASK.

 (1)
 Get access to the toilet which is blocked.

 (2)
 Remove the toilet shroud (Ref. TASK 25-45-22-000-001).

 (3)
 Cover the toilet bowl with COVER - PLASTIC, FILM and secure it with tape.

 (4) Open the circuit breaker of the effected lavatory.
 Subtask 38-30-00-020-060

 C. Removal of the Motor/Gear Assembly WARNING : ALWAYS WEAR RUBBER GLOVES, GOGGLES AND PROTECTIVE CLOTHES WHEN
_______
 YOU DO THIS TASK.

 (1)
 Remove the screws (2), the lock washers (3) and the washers (4).

 (2)
 Pull the motor/gear assembly (1) from the orbital valve body. NOTE : The shaft (5) of the disk of the orbital valve is now exposed.

____
 4. Procedure
_________
 Subtask 38-30-00-160-051

 A. Blockage Removal
 **ON A/C 001-003, 051-052,

 (Ref. Fig. 201/TASK 38-30-00-991-001) R **ON A/C 004-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 (Ref. Fig. 201A/TASK 38-30-00-991-001-A) Toilet Flush Valve - Blockage Removal Figure 201A/TASK 38-30-00-991-001-A

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 **ON A/C ALL

 WARNING : ALWAYS WEAR RUBBER GLOVES, GOGGLES AND PROTECTIVE CLOTHES WHEN
　
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