-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-33-21-618-001 Pre-conditioning through the HP Ground Connection
12-33-21-618-001 Pre-conditioning with the APU
21-51-00-710-002 Operational Test of the Flow Control and Indicating
System
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the
External Power
24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
from the External Power
53-35-13-000-002 Removal of the Quick-Release Access Panels from the
Belly Fairing Structure
53-35-13-400-002 Installation of the Quick-Release Access Panels on
the Belly Fairing Structure
3. Job Set-up__________
Subtask 21-51-11-860-051
A. Aircraft Maintenance Configuration
(1) Make sure that:
(a)
The aircraft electrical circuits are energized (Ref. TASK 24-41-00-861-002).
(b)
The access panel is removed (Ref. TASK 53-35-13-000-002), FOR 23HB2 191BB, FOR 24HB2 192FB.
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Subtask 21-51-11-865-054
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 23HB2
R **ON A/C 401-499,
R 49VU AIR COND/TEMP CTL/SYS 1 CHAN B/28VDC 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 52HH 49HH 51HH 50HH D08 X22X21Y18
R **ON A/C 106-149, 303-399, 401-499,
FOR 24HB2
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
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4. Procedure
_________
WARNING : MAKE SURE THAT THERE IS A GOOD FLOW OF AIR THROUGH THE WORK AREA
_______ WHEN YOU USE SPECIAL MATERIALS. IF YOU GET ONE OF THESE MATERIALS ON YOUR SKIN, IN YOUR MOUTH OR IN YOUR EYES : -FLUSH IT AWAY WITH A FLOW OF CLEAN WATER FOR BETWEEN 10 AND 15 MINUTES. -GET IMMEDIATE MEDICAL AID IF IRRITATION OCCURS. DO NOT BREATHE THE FUMES FROM THE MATERIAL. DO NOT SMOKE WHEN YOU USE THE MATERIAL. DO NOT USE THE MATERIAL NEAR A FLAME, SPARKS OR SOURCES OF HEAT. THESE MATERIALS ARE DANGEROUS : THEY ARE POISONOUS, FLAMMABLE AND SKIN IRRITANTS.
Subtask 21-51-11-420-052
A. Installation of the Pressure Sensor
(1) Lubrication of the O-rings
WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE
_______ THIS/THESE MATERIAL/S. USE PROTECTIVE CLOTHING AND RUBBER GLOVES.
(a) Apply a small amount of COMMON GREASE (Material No. 04-012) to the new O-ring (11) AS3582-015 and the newO-ring (12) AS3582-011.
(2) Preparation of the Screws
WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE
_______ THIS/THESE MATERIAL/S. USE PROTECTIVE CLOTHING, RUBBER GLOVES AND GOGGLES.
(a) Apply a small amount of COMMON GREASE (Material No. 04-014A) to the threads of the screws (1) and (7).
(3)
Put the O-rings (11) and (12) in position on the sensor boss (10).
(4)
Make sure that the air-transfer holes in the sensor boss (10) are free from grease and other contamination.
(5)
Connect the electrical connector (6)
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(6) Put the sensor (5) in position and insert the sensor boss (10) into the sensor mount (13).
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