R 1EFF : ALL 1 21-43-15Page 412 1 1 May 01/05 1 1 1CES 1

 (e) On the panel 30VU:
 1_ The APU BLEED pushbutton switch is in the off position (the ON legend is off).
 2_ The ENG 1 BLEED and the ENG 2 BLEED pushbutton switches are in the off position (the OFF legends are on).
 3_ The warning notice to tell persons not to operate these pushbutton switches is in position.
 (f) On the HP and the LP ground connectors the warning notice to tell persons not to supply ground air is in position. 
R  **ON A/C 001-049, 051-099, 101-149, 201-299, 301-399, 
R  Post SB  21-1141 For A/C 001-049,051-099,101-105,201-213,
 Subtask 21-43-15-860-050-A
 A. Aircraft Maintenance Configuration
 (1) Make sure that:
 (a) The AFT cargo-compartment door 826 is open (Ref. TASK 52-30-00-860-001).
 (b) The access platform is in position at the AFT cargo-compartment door 826.
 (c) The access panels are removed: 
R  1_ FOR 13HC - 151EW (Ref. TASK 25-55-11-000-003). 
R  2_ FOR 14HC - 161DW (Ref. TASK 25-55-11-000-003).
 (d) The aircraft electrical circuits are energized (Ref. TASK 24-41-00-861-002).
 (e) On the panel 30VU:
 1_ The APU BLEED pushbutton switch is in the off position (the ON legend is off). 

R 1EFF : 001-049, 051-099, 101-149, 201-299, 1 21-43-15Page 413 1301-399, 1May 01/05 1 1 1CES 1 2 The ENG 1 BLEED and the ENG 2 BLEED pushbutton switches are in

_ the off position (the OFF legends are on).
 3 The warning notice to tell persons not to operate these
_ pushbutton switches is in position.
 (f) On the HP and the LP ground connectors the warning notice to tell persons not to supply ground air is in position. R **ON A/C 151-199, 401-499,
 Post SB 21-1141 For A/C 151-199,
 Subtask 21-43-15-860-050-B

 A. Aircraft Maintenance Configuration
 (1) Make sure that:
 (a)
 The AFT cargo-compartment door 826 is open (Ref. TASK 52-30-00-860-001).

 (b)
 The access platform is in position at the AFT cargo-compartment door 826.

 (c) The access panels are removed: R 1_FOR 13HC
 -151UW (Ref. TASK 25-55-11-000-003). R 2_FOR 14HC
 -161DW (Ref. TASK 25-55-11-000-003).
 (d)
 The aircraft electrical circuits are energized (Ref. TASK 24-41-00-861-002).

 (e)
 On the panel 30VU: 1 The APU BLEED pushbutton switch is in the off position (the ON

_
 legend is off).

 2 The ENG 1 BLEED and the ENG 2 BLEED pushbutton switches are in
_ the off position (the OFF legends are on).
 3 The warning notice to tell persons not to operate these
_ pushbutton switches is in position.

 (f) On the HP and the LP ground connectors the warning notice to tell persons not to supply ground air is in position.
 **ON A/C ALL
 Subtask 21-43-15-865-051
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------

R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
 122VU AIR COND/AFT CARGO VENT/FAN 30HN S22 R **ON A/C ALL
 Subtask 21-43-15-865-056
 C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION FIN LOCATION -------------------------------------------------------------------------------122VU AIR COND/AFT CARGO VENT/CTL AND/MONG 31HN 20 S or alternative location :-
49VU AIR COND/AFT CARGO/VENT/CTL & MONG 31HN 07 C
 4. Procedure
_________
 **ON A/C 001-049, 051-099, 101-105, 201-213,

 (Ref. Fig. 401/TASK 21-43-15-991-001) R **ON A/C 151-199, 401-499,
 (Ref. Fig. 401A/TASK 21-43-15-991-001-A)
 **ON A/C 001-049, 051-099, 101-149, 201-299, 301-399,
 Post SB 21-1141 For A/C 001-049,051-099,101-105,201-213,

 (Ref. Fig. 401B/TASK 21-43-15-991-001-B) **ON A/C ALL

 Subtask 21-43-15-420-050
 A. Installation of the Temperature Sensors
 (1)
 Clean the component interface and/or the adjacent area.

 (2)
 Make sure that the parts retained from the removed component are clean and in the correct condition.

 (3)
 FOR 13HC

 (a)
 Preparation for Installation WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE
　
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