Subtask 34-11-15-220-050
A. Inspection/Check of the Pitot Probe (9DA1,9DA2,9DA3)
(1) Do a general visual inspection of the Pitot Probe.
(a)
Color During the ageing of the probe, the color of the tube becomes brownish and/or blackish. This coloration has no effect on the operation of the probe.
(b)
Internal Obstruction (b) CAUTION : DO NOT USE SHARP AND/OR METAL TOOLS OR OBJECTS TO CLEAN
_______ THE PITOT PROBE. SUCH TOOLS OR OBJECTS CAN CAUSE DAMAGE TO THE PITOT PROBE.
It must be possible to insert 40 mm (1.5748 in.) of a nylon rod (diameter 4 mm (0.1574 in.)) into the tube without any friction or blockage. If not, remove the pitot probe (Ref. TASK 34-11-15-000-001), blow compressed air into the pitot tube at the pneumatic connector and out of the tube entrance. Maximum air pressure: 57 psi (3.9300 bar).
NOTE : The compressed air line must have an oil trap to make sure
____ that no oil gets into the pitot probe.
Install the pitot probe (Ref. TASK 34-11-15-400-001).
(c) Make sure that the drain holes are not blocked. R **ON A/C 106-149, 201-299, 301-399, 401-499,
Subtask 34-11-15-220-050-A
A. Inspection/Check of the Pitot Probe (9DA1,9DA2,9DA3)
(1) Do a general visual inspection of the Pitot Probe.
(a) Color During the ageing of the probe, the color of the tube becomes brownish and/or blackish. This coloration has no effect on the operation of the probe.
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(b) Internal Obstruction (b)
CAUTION : DO NOT USE SHARP AND/OR METAL TOOLS OR OBJECTS TO CLEAN_______ THE PITOT PROBE. SUCH TOOLS OR OBJECTS CAN CAUSE DAMAGE TO THE PITOT PROBE.
R R R R Make sure that pitot probe is clean, without obstruction. If not, remove the pitot probe (Ref. TASK 34-11-15-000-001), blow compressed air into the pitot tube at the pneumatic connector and out of the tube entrance. Maximum air pressure: 57 psi (3.9300 bar).
NOTE : The compressed air line must have an oil trap to make sure____ that no oil gets into the pitot probe.
Install the pitot probe (Ref. TASK 34-11-15-400-001).
(c) Make sure that the drain holes are not blocked.
**ON A/C ALL
5. Close-up________
Subtask 34-11-15-860-053
A. Put the aircraft back to its initial configuration.
(1) Install the cover on the pitot probe.
(2) Make sure that the work area is clean and clear of tool(s) and other items.
(3) Remove the access platform.
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): FOR 9DA1 3DA1 FOR 9DA2 3DA2 FOR 9DA3 3DA3
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PROBE - STATIC (7DA1,7DA2,7DA3,8DA1,8DA2,8DA3) - REMOVAL/INSTALLATION
_____________________________________________________________________
TASK 34-11-16-000-001
Removal of the Static Probe (7DA1,7DA2,7DA3,8DA1,8DA2,8DA3)
WARNING : MAKE SURE THAT THE CIRCUIT BREAKERS RELATED TO THE WEATHER RADAR ARE
_______
OPENED, SAFETIED AND TAGGED.
WARNING : MAKE SURE THAT:
_______
-
THE STATIC PROBE IS NOT HOT
-
THE ELECTRICAL SUPPLY TO THE HEATING ELEMENT OF THE PROBE IS ISOLATED BEFORE YOU START THE TASK.
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific blanking plug
No specific circuit breaker(s) safety clip(s)
No specific access platform 1.6 m (5 ft. 3 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-220, 229-230,
34-11-16-991-001 Fig. 401 R **ON A/C 106-149, 221-228, 231-299, 301-399, 401-499,
34-11-16-991-001-A Fig. 401A
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3. Job Set-up
__________
Subtask 34-11-16-865-050
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
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