WARNING : BE CAREFUL WHEN YOU WORK ON THE ENGINE COMPONENTS IMMEDIATELY AFTER
_______ THE ENGINE IS SHUTDOWN. THE ENGINE COMPONENTS CAN STAY HOT FOR UP TO ONE HOUR.
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
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REFERENCE QTY DESIGNATION
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No specific blanking plugs
No specific circuit breaker(s) safety clip(s)
No specific warning notice
No specific access platform 2 m (6 ft. 7 in.)
B. Referenced Information
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REFERENCE DESIGNATION
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24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-210,
36-11-43-991-001 Fig. 401 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
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R **ON A/C 106-149, 211-299, 301-399, 401-499,
36-11-43-991-001-A Fig. 401A
**ON A/C ALL
3. Job Set-up
__________
Subtask 36-11-43-861-050
A. Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
Subtask 36-11-43-941-050
B. Safety Precautions
(1)
Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(2)
On the AIR COND panel 30VU:
-
make sure that the ENG 1(2) BLEED pushbutton switch is released (the OFF legend is on),
-
make sure that the APU BLEED pushbutton switch is released (the ON legend is off),
-put a warning notice to tell persons not to operate the pneumatic system.
(3)
On the ENG panel 115VU:
-put a warning notice to tell persons not to start the engine 1(2).
(4)
On the HP ground connector:
-Put a warning notice to tell persons not to pressurize the pneumatic system.
(5)
On the ENG section of the panel 50VU:
-make sure that the ON legend of the ENG/FADEC GND PWR 1(2) pushbutton switch is off,
-put a warning notice to tell persons not to energize the FADEC 1(2).
Subtask 36-11-43-865-056
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AIR BLEED/ENG 1/CTL 3HA1 D12 49VU AIR BLEED/ENG 1/MONG 2HA1 D11 122VU AIR BLEED/ENG 2/CTL 3HA2 Z23 122VU AIR BLEED/ENG 2/MONG 2HA2 Z22
Subtask 36-11-43-010-050
D. Get Access
(1)
Put the access platform in position below the engine.
(2)
Open the access door :
FOR 7170HM1
413DL
FOR 7170HM2
423DL
4. Procedure
_________
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-210,
(Ref. Fig. 401/TASK 36-11-43-991-001) R **ON A/C 106-149, 211-299, 301-399, 401-499,
(Ref. Fig. 401A/TASK 36-11-43-991-001-A)
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-210,
Subtask 36-11-43-020-052-A
A. Removal of the Fan Air Valve Control Thermostat
(1)
Remove and discard the lockwire from the sense line (1).
(2)
Disconnect the sense line (1) from the union (9).
Fan Air Valve Control Thermostat
Figure 401/TASK 36-11-43-991-001
R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 36-11-43Page 404 1201-210, 1May 01/05 1 1 1CES 1
Fan Air Valve Control Thermostat
Figure 401A/TASK 36-11-43-991-001-A
R 1EFF : 106-149, 211-299, 301-399, 401-499, 1 36-11-43Page 405 1 1 Aug 01/05 1 1 1CES 1
(3)
Remove the bolts (8) and (2) and the nuts (4) and (5).
(4)
Remove the thermostat (3).
(5)
Remove the packing (7) and discard it.
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