(6)
If the pressure difference is:
(a)
below 1.5 psi (0.1034 bar) no corrective action is required.
(b)
between 1.5 psi (0.1034 bar) and 2.0 psi (0.1378 bar) you must clean the reheater (11) (Ref. TASK 21-52-00-100-002).
(c)
more than 2.0 psi (0.1378 bar) you must replace the reheater (11) (Ref. TASK 21-52-31-000-001) and (Ref. TASK 21-52-31-400-001).
1EFF : ALL 1 21-52-00Page 512 1 1 Aug 01/05R 1 1 1CES 1
Subtask 21-52-00-860-052
F. Aircraft Maintenance Configuration
(1) Do the stop procedure of the APU: - (Ref. TASK 49-00-00-860-004) or, - (Ref. TASK 49-00-00-860-006) or, - (Ref. TASK 49-00-00-860-009),
(2) Do the EIS stop procedure (Ref. TASK 31-60-00-860-002).
Subtask 21-52-00-865-068
G. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 10HM3
R **ON A/C 401-499,
49VU AIR COND/TEMP CTL/SYS 1 CHAN B/28VDC 52HH D08
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
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 122VU AIR COND/PACK TEMP CTL SYS2/1/28VDC 4HH Y19
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
R 122VU AIR COND/PACK TEMP CTL SYS2/1/115VAC 2HH Y18
R **ON A/C 106-149, 303-399,
R 122VU 4HH Y19
R -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------**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 122VU AIR COND/TEMP CTL SYS 1/CHAN B/115VAC 49HH 51HH 50HH X22 X21Y18
**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 21-52-00-080-050
H. Removal of the Test Equipment
(1) Carefully disconnect the hoses (7), the three-way valve (9) and the pressure gauge (8).
NOTE : You must slowly disconnect the hoses (7) to release any____ residual pressure which may be present in the test system.
(2) Remove the adaptors (6) and discard the packings (2).
(3)
Clean the component interface and/or the adjacent area.
(4)
Put a new packing (2) on the sealing plug (1) and on the temperature sensor (5).
(5)
Install the sealing plug (1) in the pressure tapping port (3) and the pressure sensor (5) in the pressure sensor port (10).
(6)
TORQUE the sealing plug (1) to between 0.45 and 0.55 m.daN (39.82 and
48.67 lbf.in).
(7)
TORQUE the temperature sensor (5) to between 0.5 and 1.0 m.daN (44.24 and 88.49 lbf.in).
(8)
Safety the sealing plug (1) and the temperature sensor (5) with MISCELLANEOUS (Material No. 19-010).
(9)
Remove the blanking caps from the disconnected electrical connectors.
(10)
Make sure that the electrical connectors are clean and in the correct condition.
(11)
Connect the electrical connector (4)
(12)
Make sure that the work area is clean and clear of tool(s) and other items.
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
Subtask 21-52-00-865-062
J. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
R (1) FOR 10HM3 1HH, 2HH, 3HH, 4HH.
R (2) FOR 11HM3 21HH, 22HH, 23HH, 24HH.
R **ON A/C 401-499,
Subtask 21-52-00-865-062-A
J. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
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