(3) Install the Electric Master Chip Detector (Ref. TASK 79-00-00-281-002).
5. Close-up
________
Subtask 79-35-00-410-053
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the fan cowl doors: (Ref. TASK 71-13-00-410-040) FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
(3) Remove the warning notice(s). R
R (4) Make an entry in the log book.
R Subtask 79-35-00-862-051
R B. De-energize the ground service network (Ref. TASK 24-42-00-862-001).
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SWITCH - OIL FILTER DIFFERENTIAL PRESSURE (4001EN) - REMOVAL/INSTALLATION
_________________________________________________________________________ TASK 79-35-15-000-003 Removal of the Oil Filter Differential Pressure Switch
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 plugs and caps No specific container 1l (0.25 USgal) No specific soft-nose connector pliers No specific warning notice
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
71-13-00-010-040 Opening of the Fan Cowl Doors 79-35-15-991-300 Fig. 401
3. Job Set-up
__________ Subtask 79-35-15-941-050
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 79-35-15-010-050
B. 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 79-35-15-991-300)
Subtask 79-35-15-020-050
A. Removal of the Differential Pressure Switch
(1) Disconnect the HJ7 harness connector (10) from the differential pressure switch (20). Use soft-nose connector pliers only if necessary.
(2) Remove the bolts (50) which attach the differential pressure switch
(20) to the lubrication unit.
(3) Put a container 1l (0.25 USgal) below the differential pressure switch.
(4) Remove the differential pressure switch (20) from the lubrication unit.
(5) Remove and discard the O-rings (30) and (40).
(6) Put blanking plugs and caps on the disconnected parts and orifice.
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Oil Filter Differential-Pressure-Switch
Figure 401/TASK 79-35-15-991-300
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TASK 79-35-15-400-003
Installation of the Oil Filter Differential Pressure Switch
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific soft-nose connector pliers
No specific warning notice
No specific Torque Wrench : range 35 to 45 lbf.in
(0.39 to 0.50 m.daN)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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