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 B. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 10HM3 
R  **ON A/C 401-499,
R  49VU AIR COND/TEMP CTL/SYS 1 CHAN B/28VDC **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399, 52HH  D08 
R  122VU AIR COND/PACK TEMP/CTL SYS1/1/115VAC 122VU AIR COND/PACK TEMP/CTL SYS1/1/28VDC  1HH 3HH  X22X21 
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 R  122VU AIR COND/PACK TEMP CTL SYS2/1/115VAC **ON A/C 106-149, 303-399,  2HH  Y18 
R  122VU  4HH  Y19 
R  **ON A/C 401-499, 
R R  122VU AIR COND/TEMP CTL SYS 1/CHAN A/115VAC 122VU AIR COND/TEMP CTL SYS 1/CHAN A/28VDC  49HH 51HH  X22 X21

 

 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------122VU AIR COND/TEMP CTL SYS 1/CHAN B/115VAC 50HH Y18
 **ON A/C ALL
 FOR 11HM3 
R  **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
 122VU AIR COND/PACK TEMP/CTL SYS1/2/115VAC 122VU AIR COND/PACK TEMP/CTL SYS1/2/28VDC 122VU AIR COND/PACK TEMP CTL SYS2/2/28VDC 122VU AIR COND/PACK TEMP CTL SYS2/2/115VAC  21HH 23HH 24HH 22HH  W22W21Y21Y20 
R  **ON A/C 401-499,
R R  122VU AIR COND/TEMP CTL SYS 2/CHAN A/115VAC 122VU AIR COND/TEMP CTL SYS 2/CHAN A/28VDC 122VU AIR COND/TEMP CTL SYS 2/CHAN B/28VDC 122VU AIR COND/TEMP CTL SYS 2/CHAN B/115VAC  53HH 55HH 56HH 54HH  W22W21 Y21Y20 
**ON A/C ALL
 Subtask 21-52-31-941-050
 C. 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 ground connector put a warning notice in position to tell persons not to supply the ground air.

 

 Subtask 21-52-31-010-050
 D. Get Access
 (1)
 Remove the access panel/s (Ref. TASK 53-35-13-000-002).

 (a) FOR 10HM3
 -191KB

 (2)
 FOR 11HM3

 -192KB

 (3)
 Remove the water extractor/s (Ref. TASK 21-52-16-000-001).

 (a)
 FOR 10HM3

 -10HM8.

 (b)
 FOR 11HM3

 -11HM8.

 (4)
 Remove the pipe assembly/ies (Ref. TASK 21-52-23-000-003).

 4. Procedure
_________ Subtask 21-52-31-020-051
 A. Removal of the Reheater
 (Ref. Fig. 401/TASK 21-52-31-991-001)

 (1)
 Disconnect the electrical connector (25).

 (2)
 Put blanking caps on the disconnected electrical connectors.

 (3)
 Remove the nut (31), the washer (34), the screw (21) and disconnect the bonding strap (30).

 (4)
 Remove and discard the nuts (13), the washers (14) and disconnect the retaining cables (18) and (27).

 NOTE : Hold the hexagon part of the retaining cables (18) and (27) to
____ prevent twisting of the cables when you remove the nuts (13).
 (5) Disconnect the sleeves (17) and (26) from the flanges (15) and (29). NOTE : Turn the sleeve (26) when you disconnect it.
____
 1EFF : ALL 1 21-52-31Page 404 1 1 Aug 01/05R 1 1 1CES 1

 Reheater Figure 401/TASK 21-52-31-991-001
 1EFF : 1 1R 1CES  ALL  1 11 1 21-52-31 Page 405 Feb 01/05

 

 (6)
 Remove the nut (8), the washer (9), the screw (11) and disconnect the

 bonding strap (10).

 (7)
 Remove the clamp (22).

 (8)
 Remove the nuts (4) and the washers (5).

 (9)
 Hold the reheater (12) and remove the bolts (7) and the bushings (6).

 (10)
 Disconnect the support rods (77) and (81) and remove the reheater (12).

 (11)
 Remove and discard the seals (16) and (28), and the packing (23).

 (12) Put blanking plugs on the disconnected line ends. Subtask 21-52-31-020-052
 B. Removal of the Attachment Components
　
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