WARNING : MAKE SURE THAT THE FWD AVIONICS ACCESS DOOR 811 IS OPEN. WITH A
_______ WARNING PLACARD ATTACHED TO IT. THE WARNING NOTICE MUST TELL PERSONS NOT TO CLOSE THE DOOR. THIS PREVENTS ACCIDENTAL PRESSURIZATION OF THE AIRCRAFT.
 CAUTION : MAKE SURE THAT THE GROUND-AIR SUPPLY IS FREE FROM OIL CONTAMINATION.
_______ OIL CONTAMINATION CAN CAUSE THE SMELL OF OIL IN THE CABIN AND MAKE THE AIR-CONDITIONING PACKS UNSERVICEABLE.
 CAUTION : MAKE SURE THAT THE GROUND AIR-SUPPLY UNIT IS NOT TOO NEAR THE
_______ AIRCRAFT AND THAT THE ENGINE EXHAUST PIPE OF THE GROUND AIR- SUPPLY UNIT POINTS AWAY FROM THE AIRCRAFT. HEAT FROM THIS UNIT AND FROM THE EXHAUST CAN CAUSE DAMAGE TO THE AIRCRAFT STRUCTURE.
 NOTE : The ground air-supply unit supplies air to the air conditioning packs
____
 10HM/11HM.

 1.
 Reason for the Job

__________________
 For maintenance procedures

 2.
 Job Set-up Information

______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
 from the External Power
 31-60-00-860-001 EIS Start Procedure
 31-60-00-860-002 EIS Stop Procedure

R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 12-33-21-991-001 Fig. 201

 -------------------------------------------------------------------------------
REFERENCE DESIGNATION -------------------------------------------------------------------------------
**ON A/C 301-399,
 12-33-21-991-001-A Fig. 201A
 **ON A/C ALL
 3. Job Set-up
__________
 Subtask 12-33-21-865-053
 A. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
 -------------------------------------------------------------------------------
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
 49VU AIR COND/FLOW/CTL &/IND1 1HB D07
 **ON A/C ALL
 49VU AIR COND/AVNCS VENT/CTL 6HQ D06
 49VU AIR COND/AVNCS VENT/CTL 5HQ D05
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
 122VU AIR COND/FLOW/MIXER/FLAP 3HB V22 122VU AIR COND/FLOW/CTL AND IND/2 2HB V21 122VU AIR COND/ZONE TEMP CTL/28VDC/SYS2 4HK V20 122VU AIR COND/ZONE TEMP CTL/28VDC/SYS1 3HK V19 122VU AIR COND/ZONE TEMP CTL/115VAC/SYS2 2HK V18 122VU AIR COND/ZONE TEMP CTL/115VAC/SYS1 1HK V17 122VU AIR COND/PACK TEMP/CTL SYS1/2/115VAC 21HH W22 122VU AIR COND/PACK TEMP/CTL SYS1/2/28VDC 23HH W21 122VU AIR COND/PACK TEMP/CTL SYS1/1/115VAC 1HH X22 122VU AIR COND/PACK TEMP/CTL SYS1/1/28VDC 3HH X21 122VU AIR COND/PACK TEMP CTL SYS2/2/28VDC 24HH Y21

 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION
 -------------------------------------------------------------------------------
R  122VU AIR COND/PACK TEMP CTL SYS2/2/115VAC  22HH  Y20 
R  **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302, 
R R  122VU AIR COND/PACK TEMP CTL SYS2/1/28VDC **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,  4HH  Y19 
R  122VU AIR COND/PACK TEMP CTL SYS2/1/115VAC **ON A/C ALL  2HH  Y18
R R R R R R R  122VU AIR COND/LAV/GALLEY VENT CTL/EXTRACT FAN/CTL 122VU AIR COND/LAV/GALLEY VENT CTL/EXTRACT FAN/SPLY 122VU AIR COND/RECIRC FAN/R/CTL 122VU AIR COND/RECIRC FAN/R/SPLY 122VU AIR COND/RECIRC FAN/L/CTL 122VU AIR COND/RECIRC FAN/L/SPLY 122VU AIR COND/AVNCS/VENT/MONG **ON A/C 106-149, 303-399,  5HU 6HU 11HG 3HG 2HG 1HG 3HQ  U21 U19 W20 W18 X20 X18Y17 
R  122VU  4HH  Y19 
R  **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 123VU AVNCS VENT/EXTC/FAN **ON A/C ALL 2HQ  AE02
 123VU AVNCS VENT/BLOWER/FAN **ON A/C 301-399, 1HQ  AD10
 123VU AVNCS VENT/EXTC/FAN  2HQ  AC04

 **ON A/C ALL
 Subtask 12-33-21-010-054
 B. Get Access
 (1)
 Open the avionics-bay access door 811.

 (2)
 Put a warning notice in position to tell persons not to close the avionics-bay access door 811.

 (3) Open the access door 191DB.
 Subtask 12-33-21-860-050

 C. Aircraft Maintenance Configuration
　
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