(3)
Remove the screws (2), (5), (9) and the washers (1), (6) and (10).
(4)
Remove the support (11) that holds the sensing element (12).
(5)
Cut and remove the lockwire from the nuts (3) and (7). Remove the nuts (3) and (7).
(6)
Remove the sensing element (12). The grommets (14) are installed on it.
(7)
Remove the grommets (14) from the sensing element (12).
(8)
Put blanking caps on the disconnected electrical connectors.
TASK 36-22-15-400-001
Installation of the Pylon Overheat Sensing Element (1HF1, 1HF2)
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 caps No specific compressed air or nitrogen source 25 to 30 psi (1.75
to 2.1 bar)
No specific corrosion resistant steel lockwire 0.8 mm dia.
No specific corrosion resistant steel lockwire 0.8 mm.
No specific spray gun
No specific warning notice
No specific access platform 3.5 m (11 ft. 6 in.)
R No specific Torque Wrench : range 0.00 to 1.20 m.daN
R (0.00 to 9.00 lbf.ft)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 11-022 USA ASTM-D95-46B
CLEANING (Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
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 24-42-00-861-001 Energize the Ground Service Network from the External
Power 36-22-00-710-001 Operational Test of the Overheat Detection System 36-22-15-991-001 Fig. 401
3. Job Set-up
__________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
Subtask 36-22-15-860-050
A. Aircraft Maintenance Configuration
(1)
Make sure that the aircraft electrical circuits are energized (Ref. TASK 24-41-00-861-002).
(2)
On the ENG panel 115VU:
-make sure that the warning notice is in position to tell persons not to start the engine.
(3)
On the AIR COND panel 30VU:
-
make sure that the ENG 1(2) BLEED pushbutton switch is released (OFF legend is on),
-
make sure that the APU BLEED pushbutton switch is released (ON legend is off),
-
make sure that the warning notice is in position to tell persons not to operate the pneumatic system.
(4)
On the HP ground connector:
-make sure that the warning notice is in position to tell persons not to pressurize the pneumatic system.
(5)
On the MAINTENANCE panel 50VU:
-
make sure that the ON legend of the ENG/FADEC GND PWR/1(2) is off.
-
make sure that the warning notice is in position to tell persons not to energize the FADEC system 1(2).
(6) Make sure that the access platform is in position at the pylon
access.
R **ON A/C 301-399,
R Subtask 36-22-15-860-050-A
R A. Aircraft Maintenance Configuration
R (1) Make sure that the aircraft electrical circuits are energized
R (Ref. TASK 24-42-00-861-001).
R (2) On the ENG panel 115VU:
R - make sure that the warning notice is in position to tell persons
R not to start the engine.
R (3) On the AIR COND panel 30VU:
R - make sure that the ENG 1(2) BLEED pushbutton switch is released
R (OFF legend is on),
R - make sure that the APU BLEED pushbutton switch is released (ON
R legend is off),
R - make sure that the warning notice is in position to tell persons
R not to operate the pneumatic system.
R (4) On the HP ground connector:
R - make sure that the warning notice is in position to tell persons
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