Trailing-Edge Probe Filter - Component Location Figure 301/TASK 21-51-51-991-005
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(3) Filter Installation
CAUTION : MAKE SURE THAT THE PROBE AND THE FILTER ARE CORRECTLY
_______ INSTALLED. INCORRECT INSTALLATION CAN CAUSE THE FILTER TO BECOME CLOGGED QUICKLY. A CLOGGED FILTER CAN CAUSE A PACK-OVERHEAT CONDITION. THIS CAN CAUSE DAMAGE TO THE AIR-CONDITIONING PACK.
(a) Put the filter (3) together with the seal (2) in position in the flow control valve.
NOTE : Make sure that the seal (2) is in the correct position and
____ is 'centered' under the filter (3).
(b)
TORQUE the filter (3) to between 0.90 and 1.10 m.daN (79.64 and
97.34 lbf.in).
(c)
Safety the filter (3) to the set-screw (1) with MISCELLANEOUS (Material No. 19-009).
Subtask 21-51-51-865-059
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): FOR 11HB 1HH, 2HH, 3HH, 4HH, 1HB. FOR 8HB 21HH, 22HH, 23HH, 24HH, 2HB.
Subtask 21-51-51-710-051
D. Test and Check
(1)
Do the operational test of the flow control and indicating system (Ref. TASK 21-51-00-710-002).
(2)
Leak Check
WARNING : PUT ON PROTECTIVE GOGGLES AND THERMAL GLOVES WHEN YOU GO
_______ NEAR AN AIR-CONDITIONING PACK WHEN IT OPERATES. THERE CAN BE LEAKAGE OF HOT AIR, WHICH CAN CAUSE INJURIES.
(a) During the operational test you must do a check for leaks at the filter installation. Leaks are not permitted.
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5. Close-up
________ Subtask 21-51-51-410-056
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install the access panels (Ref. TASK 53-35-13-400-002):
(a)
FOR 11HB
191KB and 191BB.
(b)
FOR 8HB
192KB and 191BB.
Subtask 21-51-51-942-052
B. Remove the warning notice(s). Subtask 21-51-51-862-051
C. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
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VALVE - PACK FLOW CONTROL (8HB,11HB,23HB,24HB) - REMOVAL/INSTALLATION
_____________________________________________________________________
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
TASK 21-51-51-000-001
Removal of the Pack Flow-Control Valve
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.
NOTE : The procedure is the same for the pack flow-control valves 8HB and 11HB.
____
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
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REFERENCE QTY DESIGNATION
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No specific blanking caps
No specific blanking plugs
No specific circuit breaker(s) safety clip(s)
B. Referenced Information
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REFERENCE DESIGNATION
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21-51-41-000-001 Removal of the Ozone Filter (Converter) 100HM (101HM) 21-51-51-000-002 Removal of the Air Duct upstream of the Flow Control Valve 21-51-51-200-001 Attachment Components (In-Service Wear Limits) - Flow Control Valve (Unit) 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 53-35-13-000-002 Removal of the Quick-Release Access Panels from the Belly Fairing Structure
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REFERENCE DESIGNATION -------------------------------------------------------------------------------
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