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TRANSMITTER - OIL PRESSURE (4003EN) - REMOVAL/INSTALLATION
__________________________________________________________ TASK 79-33-15-000-041 Removal of the Oil Pressure Transmitter (4003EN)
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
No specific container 1 USgal (4 l)
No specific protective covers
No specific warning notice
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
71-13-00-010-040 Opening of the Fan Cowl Doors 79-33-15-991-300 Fig. 401
3. Job Set-up
__________ Subtask 79-33-15-941-050
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a warning notice to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
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(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a warning notice to tell persons not to energize the FADEC 1(2).
Subtask 79-33-15-865-050
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 1000EM1
121VU ENGINE/ENG1/OIL/PRESS 2EN1 N40 FOR 1000EM2 121VU ENGINE/ENG2/OIL/PRESS 2EN2 N42
Subtask 79-33-15-010-050
C. Open the fan cowl doors: (Ref. TASK 71-13-00-010-040)
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
4. Procedure
_________
(Ref. Fig. 401/TASK 79-33-15-991-300)
Subtask 79-33-15-020-050
A. Removal of the Oil Pressure Transmitter
(1) Disconnect the electrical connector 4003ENA from the oil pressure transmitter (25).
(2) Put a container 1 USgal (4 l) below the transmitter (25) to catch the drained oil.
(3) Disconnect the tube from the union (20) and let the oil drain into the container.
(4) Disconnect the tee fitting from the union (20).
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Oil Pressure Transmitter
Figure 401/TASK 79-33-15-991-300
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(5) Remove the bolts (5) and the clamps (10) that attach the transmitter
(25) to the bracket.
(6) Remove the unions (20) and the packings (15) from the transmitter (25). Discard the packings.
(7) Put protective covers on the electrical connector, the transmitter (25), the tee fitting and tube coupling nuts.
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TASK 79-33-15-400-041
Installation of the Oil Pressure Transmitter (4003EN)
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific protective covers
No specific warning notice
No specific Torque Wrench : range 36.00 to 220.00 lbf.in
(0.40 to 2.60 m.daN)
B. Consumable Materials
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