Waste-Water Ice Protection - Electrical Schematic R Figure 301C (SHEET 2)
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : 301-399, ∞∞30-71-00∞∞∞∞∞∞∞∞∞∞Page 307
May 01/05 CESR Waste-Water Ice Protection - Electrical Schematic R Figure 302
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : 051-051, ∞∞30-71-00∞∞∞∞∞∞∞∞∞∞Page 308
May 01/05 CES
WATER SERVICING PANELS HEATING - FAULT ISOLATION PROCEDURES
___________________________________________________________
TASK 30-72-00-810-801
Failure of heated Fill/Drain Nipple
1. Possible Causes
_______________
- THERMOSTAT-FILL AND DRAIN NIPPLE (12DV)
- NIPPLE-FILL AND DRAIN (11DV)
- wiring
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific cooling spray
No specific access platform 2 m (6 ft. 7 in.)
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power AMM 30-72-52-000-001 Removal of the Heated Fill/Drain Nipple 11DV and/or Overflow Nipple 13DV AMM 30-72-52-400-001 Installation of the Heated Fill/Drain Nipple 11DV
and/or Overflow Nipple 13DV
AMM 52-30-00-860-006 Open the Bulk Cargo-Compartment Door
ASM 30-72/01
3. Fault Confirmation
__________________
A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(2) Put an access platform in position at the potable-water service panel 171AL.
(3) Open the BULK cargo-compartment door (Ref. AMM TASK 52-30-00-860-006).
(4) Open the sidewall panel 161DW to get access to the thermostat 12DV.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞30-72-00∞∞∞∞∞∞∞∞∞∞Page 201
Feb 01/98 CES B. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------
PANEL SERVICE IDENT. LOCATION
-------------------------------------------------------------------------------
2001VU WATER SERVICE PANEL HEATER 15DV E08
**ON A/C 051-051,
B. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------
PANEL SERVICE IDENT. LOCATION
-------------------------------------------------------------------------------
2001VU ICE PROT -SERVICE PANEL HTR 15DV E08
R **ON A/C 151-199, 301-399, 401-499,
B. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------
PANEL SERVICE IDENT. LOCATION
-------------------------------------------------------------------------------
2001VU HEATER SERV PANEL 15DV D01
**ON A/C ALL
C. Do this test:
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. At the potable-water service At the potable-water service panel
panel (inboard side): (outboard side):
- apply cooling spray on and - make sure that the heated fill/drain around the thermostat 12DV for nipple 11DV becomes warm. at least 10 s.
4. Fault Isolation
_______________
A. If the heated fill/drain nipple 11DV stays cold:
- replace the THERMOSTAT-FILL AND DRAIN NIPPLE (12DV) (Ref. AMM TASK 30-72-52-000-001) and (Ref. AMM TASK 30-72-52-400-001).
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