REFERENCE DESIGNATION
-------------------------------------------------------------------------------
R **ON A/C 004-049, 055-099, 101-149, 151-199, 201-299, 301-399,
Post SB 21-1134 For A/C 004-049,055-099,101-105,151-158,201-209,
21-51-00-991-005-A Fig. 601A
R **ON A/C 004-049, 055-099, 101-149, 151-199, 201-299, 301-399,
3. Job Set-up
__________
Subtask 21-51-00-861-055
A. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
Subtask 21-51-00-865-057
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 10HB, 11HB
122VU AIR COND/PACK TEMP/CTL SYS1/1/115VAC 1HH X22
122VU AIR COND/PACK TEMP CTL SYS2/1/115VAC 2HH Y18
FOR 8HB, 9HB 122VU AIR COND/PACK TEMP/CTL SYS1/2/115VAC 21HH W22 122VU AIR COND/PACK TEMP CTL SYS2/2/115VAC 22HH Y20
Subtask 21-51-00-941-053
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.
R 1EFF : 004-049, 055-099, 101-149, 151-199, 1 21-51-00Page 602 1201-299, 301-399, 1Aug 01/05 1 1 1CES 1
(2) On the HP ground connector put a warning notice in position to tell persons not to supply the ground air.
Subtask 21-51-00-010-053
D. Get Access
(1) Remove the access panels (Ref. TASK 53-35-13-000-002): FOR 10HB and
R (a) FOR 11HB 191KB and 191BB. FOR 8HB and
R (b) FOR 9HB 192KB 191BB.
4. Procedure
_________
Subtask 21-51-00-210-050
A. Sense Line Torque Check and Inspection WARNING : MAKE SURE THAT AIR IS NOT SUPPLIED TO THE AIR CONDITIONING
_______ SYSTEM FROM THE MAIN ENGINE, THE APU OR A GROUND SOURCE. HOT COMPRESSED AIR CAN CAUSE INJURY TO PERSONNEL.
WARNING : DO NOT TOUCH THE COMPONENT UNTIL IT IS SUFFICIENTLY
_______
COOL TO PREVENT BURNS.
**ON A/C 004-049, 055-099, 101-105, 151-158, 201-209,
(Ref. Fig. 601/TASK 21-51-00-991-005) R **ON A/C 004-049, 055-099, 101-149, 151-199, 201-299, 301-399, Post SB 21-1134 For A/C 004-049,055-099,101-105,151-158,201-209, (Ref. Fig. 601A/TASK 21-51-00-991-005-A)
R 1EFF : 004-049, 055-099, 101-149, 151-199, 1 21-51-00Page 603 1201-299, 301-399, 1Aug 01/05 1 1 1CES 1
Sense Lines - Component location Figure 601/TASK 21-51-00-991-005- 12 (SHEET 1)
R 1EFF : 004-049, 055-099, 101-105, 151-158, 1 21-51-00Page 604 1201-209, 1May 01/05 1 1 1CES 1
Sense Lines - Component location Figure 601/TASK 21-51-00-991-005- 22 (SHEET 2)
R 1EFF : 004-049, 055-099, 101-105, 151-158, 1 21-51-00Page 605 1201-209, 1May 01/05 1 1 1CES 1
Sense Lines - Component location
Figure 601A/TASK 21-51-00-991-005-A12 (SHEET 1)
R 1EFF : 004-049, 055-099, 101-149, 151-199, 1 21-51-00Page 606 1201-299, 301-399, 1Aug 01/05 1 1 1CES 1
Sense Lines - Component location
Figure 601A/TASK 21-51-00-991-005-A22 (SHEET 2)
R 1EFF : 004-049, 055-099, 101-149, 151-199, 1 21-51-00Page 607 1201-299, 301-399, 1Aug 01/05 1 1 1CES 1
R **ON A/C 004-049, 055-099, 101-149, 151-199, 201-299, 301-399,
(1) TORQUE
R R (a) Do a check of the torque value of the sense line connections (2). The value must be to between 0.95 and 1.05 m.daN (84.07 and 92.92 lbf.in).
(2) Inspection
(a) Disconnect the quick release connector (4).
R (b) Make sure that the quick release connector (4) and the union (5) are clean and in the correct condition.
(c) Connect the quick release connector (4).
(d) Do a visual inspection of the sense lines (1) and (3) for damage, cracks and fraying of the material.
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