R **ON A/C ALL
 Subtask 21-43-15-865-055
 C. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------
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
 Subtask 21-43-15-941-050
 D. Safety Precautions
 (1)
 On the panel 30VU:

 (a)
 Make sure that:

 -
the APU BLEED pushbutton switch is in the off position (the ON legend is off) and,

 -
the ENG 1 BLEED and the ENG 2 BLEED pushbutton switches are in the off position (the OFF legends are on).

 (b)
 Put a warning notice in position to tell persons not to operate these pushbutton switches.

 (2)
 On the HP and the LP ground connectors put a warning notice in position to tell persons not to supply the ground air.

 **ON A/C 001-049, 051-099, 101-105, 201-213,
 Subtask 21-43-15-010-050
 E. Get Access
 (1)
 Open the AFT cargo-compartment door 826 (Ref. TASK 52-30-00-860-001).

 (2)
 Put the access platform in position at the AFT cargo-compartment door

 826.

 (3)
 Remove the access panel:

 (a)
 FOR 13HC

 -151EW (Ref. TASK 25-55-11-000-003).

 (b)
 FOR 14HC

 -151BC (Ref. TASK 25-55-11-000-002).
 **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,
 Subtask 21-43-15-010-050-A

 E. Get Access
 (1)
 Open the AFT cargo-compartment door 826 (Ref. TASK 52-30-00-860-001).

 (2)
 Put the access platform in position at the AFT cargo-compartment door

 826.

 (3)
 Remove the access panel:

 (a)
 FOR 13HC

 -151EW (Ref. TASK 25-55-11-000-003).

 (b)
 FOR 14HC

 -161DW (Ref. TASK 25-55-11-000-003).
R  **ON A/C 151-199, 401-499, Post SB 21-1141 For A/C 151-199, Subtask 21-43-15-010-050-B
 E. Get Access
 (1)
 Open the AFT cargo-compartment door 826 (Ref. TASK 52-30-00-860-001).

 (2)
 Put the access platform in position at the AFT cargo-compartment door

 826.
 (3) Remove the access panel: R (a) FOR 13HC
 -151UW (Ref. TASK 25-55-11-000-003).

R (b) FOR 14HC
 -161DW (Ref. TASK 25-55-11-000-003).
 **ON A/C ALL

 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 21-43-15-020-050
 A. Removal of the Temperature Sensors
 (1)
 FOR 13HC

 (a)
 Disconnect the electrical connector (1).

 (b)
 Put blanking caps on the disconnected electrical connectors.

 (c)
 Remove and discard the locking wire from the temperature sensor (2).

 (d)
 Remove the temperature sensor (2) and the O-ring (3).

 (e)
 Put blanking plugs on the disconnected line ends.

 (2)
 FOR 14HC

 (a)
 Disconnect the electrical connector (5).

 (b)
 Put blanking caps on the disconnected electrical connectors.

 Temperature Sensors - Aft Cargo Compartment
 Figure 401/TASK 21-43-15-991-001

R 1EFF : 001-049, 051-099, 101-105, 201-213, 1 21-43-15Page 406 1 1 May 01/05 1 1 1CES 1

 Temperature Sensors - Aft Cargo Compartment Figure 401A/TASK 21-43-15-991-001-A
R 1EFF : 151-199, 401-499, 1 21-43-15Page 407 1 1 Aug 01/05 1 1 1CES 1

 Temperature Sensors - Aft Cargo Compartment Figure 401B/TASK 21-43-15-991-001-B
R 1EFF : 001-049, 051-099, 101-149, 201-299, 1 21-43-15Page 408 1301-399, 1May 01/05 1 1 1CES 1

 (c)
 Remove and discard the locking wire from the temperature sensor (6).
　
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