(5)
Install the blower (12) with the bolts (9), the washers (10) and the nuts (11).
(6)
Connect the electrical connections (13).
(7)
Install the cover (7) with the bolts (4), the washers (5) and the nuts (6).
(8)
Install the fan assembly (1) with the screws (2) and the washers (3).
(9)
Connect the electrical connector (8).
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Subtask 34-42-45-865-052
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): FOR 3SA1 1SA1 FOR 3SA2 1SA2
Subtask 34-42-45-750-050
C. Do the fan test of the radio altimeter system (Ref. TASK 34-42-00-750-001).
5. Close-up
________ Subtask 34-42-45-410-050
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 152HW.
(3)
Remove the access platform(s).
(4) Close the AFT Cargo Door 826 (Ref. TASK 52-30-00-860-002). Subtask 34-42-45-862-050
B. De-energize the ground service network
(Ref. TASK 24-42-00-862-001)
1EFF : ALL 1 34-42-45Page 407 1 1 Feb 01/98 1 1 1CES 1
FAN - RADIO ALTIMETER TRANSCEIVER (3SA1,3SA2) - CLEANING/PAINTING
_________________________________________________________________
TASK 34-42-45-100-001
Cleaning of the Radio Altimeter Transceiver Fan
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific air blower
No specific circuit breaker(s) safety clip(s)
No specific soft brush
No specific access platform 2 m (6 ft. 7 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
22-97-00-710-001 Operational Test of the LAND CAT III Capability 24-42-00-861-001 Energize the Ground Service Network from the External Power 24-42-00-862-001 De-energize the Ground Service Network Supplied from
the External Power 34-42-00-740-002 BITE Test of the Radio Altimeter 34-42-00-750-001 Detailed Inspection and Operational Check of the
Radio Altimeter Fan 34-42-33-000-001 Removal of the Radio Altimeter Transceiver 2SA1 and 2SA2 34-42-33-400-001 Installation of the Radio Altimeter Transceiver 2SA1 and 2SA2 34-42-45-000-001 Removal of the Radio Altimeter-Transceiver Fan 3SA1 (3SA2) 34-42-45-400-001 Installation of the Radio Altimeter-Transceiver Fan 3SA1 (3SA2) 52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump
1EFF : ALL 1 34-42-45Page 701 1 1 Aug 01/02 1 1 1CES 1 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
52-30-00-860-002 Close the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump
3. Job Set-up
__________ Subtask 34-42-45-861-051
A. Energize the ground service network
(Ref. TASK 24-42-00-861-001)
Subtask 34-42-45-865-053
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 3SA1
121VU COM NAV/RAD ALTM/1 1SA1 K11 FOR 3SA2
121VU COM NAV/RAD ALTM/2 1SA2 K12
Subtask 34-42-45-010-051
C. Get Access
(1)
Open the AFT Cargo Door 826 (Ref. TASK 52-30-00-860-001).
(2)
Put the access platform at the aft cargo door 826.
(3)
Remove the access panel 152HW.
4. Procedure
_________ Subtask 34-42-45-020-053
A. Remove the radio altimeter units
(1)
Remove the radio altimeter transceiver (Ref. TASK 34-42-33-000-001).
(2)
Remove the radio altimeter transceiver fan (Ref. TASK 34-42-45-000-001).
1EFF : ALL 1 34-42-45Page 702 1 1 Aug 01/02 1 1 1CES 1 Subtask 34-42-45-100-052
B. Cleaning
(1) Use a soft brush and/or an air blower to clean the fan or the fan housing.
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