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4. At the drain panel 133AL:  At the service panel 2023VU and the
 drain panel 133AL:
 - move the drain handle from the  - the motorized drain valve 4MP opens.
 SHUT to the DRAIN position.  - water flows from the drain port.
 - the drain valve control light 2MP
 stays off.
 5. At the drain panel 133AL and the  At the drain panel 133AL and the
 service panel 2023VU:  service panel 2023VU:
 - move the drain handle from the  - the motorized drain valve 4MP closes.
 DRAIN to the SHUT position.
 - push and turn the control  - the motorized fill/overflow drain
 handle from the DRAIN to the  valve 8MA closes.
 NORMAL position.  - the flow of water stops from both the
 drain ports.
 6. At the circuit breaker panel  At the service panel 2023VU:
 2001VU:
 - close the circuit breaker 1MP.  - the indication light 2MP is off.
 **ON A/C ALL
 5. Close-up________
 Subtask 38-14-00-080-050

 A. Remove the drain hoses from the drain ports. Subtask 38-14-00-613-050
 B. Fill the Potable Water System
 (1)
 Fill the potable water tank 3000MM (Ref. TASK 12-15-38-613-001).

 (2)
 Pressurize the potable water system (Ref. TASK 38-10-00-614-001).

 (3)
 Operate the water faucets to bleed the potable water system.

 (4)
 Turn on all the water heaters.

 1EFF : ALL 1 38-14-00Page 508 1 1 May 01/04R 1 1 1CES 1

 **ON A/C 001-049, 051-099, 101-149, 201-299,
 Subtask 38-14-00-410-050
 C. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Close the access panels 171AL, 133AL, 192NB.

 (3) Remove the access platform(s). R **ON A/C 151-199, 301-399, 401-499,
 Subtask 38-14-00-410-050-A
 C. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Close the access panels 171AL, 133AL.

 (3) Remove the access platform(s).
 **ON A/C ALL

 Subtask 38-14-00-862-050
 D. De-energize the ground service network the aircraft electrical circuits (Ref. TASK 24-42-00-862-001).

 

R **ON A/C 001-049, 051-099, 101-149, 201-299,
 TASK 38-14-00-820-001
 Adjustment of the Limit Switches 3MP and 5MP
 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
 No specific access platform 2.0 m (6 ft. 7 in.)
 No specific access platform 3.0 m (9 ft. 10 in.)

 B. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
12-16-38-613-001 Servicing of the Toilet System 12-24-38-680-001 Draining of the Potable Water System (with Electrical Power) 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 52-30-00-860-002 Close the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump 38-14-00-991-002 Fig. 501
 3. Job Set-up
__________
 Subtask 38-14-00-861-053
 A. Energize the ground service network
 (Ref. TASK 24-42-00-861-001).

R 1EFF : 001-049, 051-099, 101-149, 201-299, 1 38-14-00Page 510 1 1 May 01/05 1 1 1CES 1

 Subtask 38-14-00-010-058

 B. Get Access
 (1)
 Put the warning notices in postion to tell persons not to use the toilets.

 (2)
 Put the access platform in position at the potable water-service panel 171AL.

 (3)
 Put the access platform in position at the AFT cargo compartment door.

 (4)
 Open the AFT cargo compartment door.

 (5)
 Remove the access panel 161DW.

 (6)
 Open the potable water-service panel 171AL.

 Subtask 38-14-00-680-054
 C. Drain the potable water system (Ref. TASK 12-24-38-680-001).

R **ON A/C 001-049, 051-099, 101-105,
　
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