R 1EFF : 401-499, 1 21-52-23Page 421 1 1 Aug 01/05 1 1 1CES 1
R (14) TORQUE the nuts (1) to between 0.85 and 1.0 m.daN (75.22 and 88.49
lbf.in).
R NOTE : Hold the hexagon part of the retaining cables (3) to prevent____
R twisting of the cables when you torque the nuts (1).
R Make sure that there is no tension in the cables (3).
R This will give a safe and flexible connection.
R (15) Wipe clean the excess COMMON GREASE (Material No. 04-012) from the
R retaining cables (3).
R (16) Make sure that the half-clamps (10) and the clamp (13) are in the
R correct position.
R (17) TORQUE the clamp (13) to between 0.28 and 0.38 m.daN (24.77 and 33.62
R lbf.in) and safety with annealed stainless-steel lockwire, diameter
R 0.8 mm (0.0314 in.) MISCELLANEOUS (Material No. 19-010).
R (18) Remove the blanking cap from the electrical connector (6).
R (19) Make sure that the electrical connectors are clean and in the correct
condition.
R (20) Connect the electrical connector (6).
R (21) 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 21-52-23-865-060
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit
breaker(s):
R (1) FOR 10HM11
- 1HH, 2HH, 3HH, 4HH,
R (2) FOR 11HM11
- 21HH, 22HH, 23HH, 24HH.
R **ON A/C 401-499,
Subtask 21-52-23-865-060-A
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
R (1) FOR 10HM11
-49HH, 50HH, 51HH, 52HH, R (2) FOR 11HM11
-53HH, 54HH, 55HH, 56HH.
**ON A/C ALL
Subtask 21-52-23-710-050
D. Test
(1)
Do the pre-conditioning through the HP ground connector (Ref. TASK 12-33-21-618-001) or with the APU (Ref. TASK 12-33-21-618-001).
(2)
Do a leak check of the pipe assembly. NOTE : Minimum leakage is permitted. After the pack operates some
____ minutes, the leakage of air will reduce because the seals have their correct operating temperature.
(3)
Do a leak check of the sense line connections.
NOTE : Leaks are not permitted.
____
(4)
After approx. 15 minutes stop the pre-conditioning (Ref. TASK 12-33-21-618-001) or (Ref. TASK 12-33-21-618-001).
(5)
Do the operational test of the cockpit and cabin temperature control (Ref. TASK 21-63-00-710-004).
5. Close-up
________ Subtask 21-52-23-410-056
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install the access panel (Ref. TASK 53-35-13-400-002).
FOR 10HM11
191KB,
FOR 11HM11
192KB.
(3) Remove the warning notice(s). Subtask 21-52-23-862-050
B. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
1EFF : ALL 1 21-52-23Page 424 1 1 Aug 01/05R 1 1 1CES 1
TASK 21-52-23-000-002
Removal of the Pipe Assembly between the Anti-Ice Valve (if installed), the Bypass Valve and the Air Cycle Machine 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.
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
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