R **ON A/C ALL
Subtask 36-22-15-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 1HF1
49VU AIR BLEED/ENG 1/CTL 3HA1 D12
49VU AIR BLEED/ENG 1/MONG 2HA1 D11
FOR 1HF2 122VU AIR BLEED/ENG 2/CTL 3HA2 Z23 122VU AIR BLEED/ENG 2/MONG 2HA2 Z22
Subtask 36-22-15-010-051
C. Make sure that these access doors are open:
FOR 1HF1
414FR, 413DL
FOR 1HF2
423FL, 423DL
Subtask 36-22-15-110-051
D. Cleaning
WARNING : BEFORE USING XYLENE OR ANY HAZARDOUS MATERIAL, BE AWARE OF ALL
_______ HANDLING, STORAGE AND DISPOSAL PRECAUTIONS RECOMMENDED BY ITS MANUFACTURER OR SUPPLIER. FAILURE TO COMPLY WITH MANUFACTURER'S OR SUPPLIER'S RECOMMENDATIONS MAY RESULT IN PERSONNAL INJURY OR DISEASE.
(1)
Remove the blanking caps from the disconnected electrical connectors.
(2)
Apply the CLEANING AGENTS (Material No. 11-022) with a spray gun:
- on the end fittings of the sensing elements, of the cable assemblies and of all other connectors,
-into the receptacles of the connectors, where necessary, to clean them.
NOTE : Do not use probes, swabs or any other instruments to examine
____ the ends of the connectors when you clean them.
(3)
Rinse all parts of the sensing elements.
(4)
Dry: WARNING : DO NOT EXCEED 30PSIG (2,1KG/CM2) OF PRESSURE AT THE NOZZLE
_______ WHEN USING COMPRESSED AIR OR NITROGEN IN THIS CLEANING PROCESS. ALSO WEAR STURDY GOGGLES OR A FACE SHIELD. PARTICLES OR LIQUID DROPLETS PROPELLED BY HIGH PRESURE CAN CAUSE PERMANENT EYE INJURY.
(a) Dry all the components with a compressed air or nitrogen source 25 to 30 psi (1.75 to 2.1 bar) at a pressure of not more than 30 psi (2.1 bar).
(5) Install the blanking caps on the disconnected electrical connectors.
4. Procedure
_________ (Ref. Fig. 401/TASK 36-22-15-991-001) Subtask 36-22-15-420-050
A. Installation of the Overheat Sensing Element
(1)
Install the four grommets (14) on the sensing element (12).
(2)
Install the sensing element (12) with the grommets (14) on the support (11).
(3)
Put the grommets (14) in the correct position in the clamps (13).
(4)
Lock the clamps (13) with the bolts (15).
(5)
Remove the blanking caps from the disconnected electrical connectors.
(6)
Install the nuts (3) and (7) on the sensing elements (12) and tighten the nuts. Safety the nuts with the corrosion resistant steel lockwire
0.8 mm.
(7)
Install the support (11) with the sensing element (12) in its housing on the bulkhead (18).
(8)
Install the screws (2), (5) and (9) and the washers (1), (6) and (10). Tighten the screws.
1EFF : ALL 1 36-22-15Page 410 1 1 May 01/04R 1 1 1CES 1
(9) Connect the electrical connectors (4) and (8) and safety with the corrosion resistant steel lockwire 0.8 mm dia.. TORQUE the electrical connectors to between 0.58 and 0.69 m.daN (51.32 and 61.06 lbf.in).
Subtask 36-22-15-865-052
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): FOR 1HF1 2HA1, 3HA1 FOR 1HF2 2HA2, 3HA2
Subtask 36-22-15-710-050
C. Do the operational test of the overheat detection system (Ref. TASK 36-22-00-710-001).
5. Close-up
________
Subtask 36-22-15-410-050
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the access doors:
FOR 1HF1
414FR, 413DL
FOR 1HF2
423FL, 423DL
(3)
Remove the warning notice(s).
(4)
Remove the access platform(s).
Subtask 36-22-15-862-050
B. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
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