3. Job Set-up
__________
Subtask 79-32-15-860-050
A. Aircraft Maintenance Configuration
R (1) On the center pedestal, on the ENG panel 115VU, make sure that a
R warning notice is in position to tell persons not to start the engine.
(2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) is off. Make sure that a warning notice is in position to tell persons not to energize the FADEC 1(2).
(3) Make sure that the access platform is in position.
Subtask 79-32-15-010-052
B. Make sure that the fan cowl doors are open: (Ref. TASK 71-13-00-010-040) FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
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4. Procedure
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(Ref. Fig. 401/TASK 79-32-15-991-300)
Subtask 79-32-15-420-050
A. Installation of the Oil Temperature Sensor
(1) Remove the protective covers from the lube oil module.
(2) Clean the mating surfaces:
WARNING : TRICHLOROETHANE IS A HAZARDOUS MATERIAL THAT CAN CAUSE
_______ INJURY OR ILLNESS IF NOT CORRECTLY USED. BEFORE YOU USE THIS PRODUCT, READ THE APPLICABLE MANUFACTURER'S "MATERIAL DATA SAFETY SHEET" AND OBEY THE SAFETY AND HEALTH PRECAUTIONS.
(a) To be sure of a good electrical bond between the oil temperature sensor (10) and the lube oil module, clean the mating surfaces with trichloroethylene (Material No. CP1008) and a lint-free cloth.
(3) Lubricate the packing:
WARNING : ENGINE OIL IS A HAZARDOUS MATERIAL THAT CAN CAUSE INJURY OR
_______ ILLNESS IF NOT CORRECTLY USED. BEFORE YOU USE THIS PRODUCT, READ THE APPLICABLE MANUFACTURER'S "MATERIAL DATA SAFETY SHEET" AND OBEY THE SAFETY AND HEALTH PRECAUTIONS.
R (a) Lubricate packing (15) with engine oil (Material No. CP2442).
(4) Install the packing (15) on the sensor (10).
(5) Put the sensor (10) on the lube oil module and install the bolts (5).
(6) TORQUE the bolts (5) to between 75 and 85 lbf.in (0.84 and 0.96 m.daN). Then lock the bolts with lockwire 0.032 in. (0.8 mm) dia (Material No. CP8001) or lockwire 0.032 in. (0.8 mm) dia (Material No. CP8002).
(7) Remove the protective covers from the electrical connector 4004ENA and the temperature sensor.
(8) Connect the electrical connector 4004ENA to the sensor (10). Tighten the connector by hand plus one-eighth turn.
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(9) Do an electrical bond resistance check as follows: NOTE : Make sure you do an electrical bond resistance check at both
____
bolt locations.
(10) Put one lead of the ohmmeter on the flange of the sensor (10) near the bolt (5).
(11) Put the other lead of the ohmmeter on the surface of the lube oil module.
(12) The resistance measured between the ohmmeter leads must not be more than 0.0025 ohm. Do one more check.
(13) If the resistance is more than 0.0025 ohm, remove the sensor (10) and clean the mating surfaces again. Do this procedure until the resistance is less than 0.0025 ohm.
Subtask 79-32-15-860-052
B. Make sure that the work area is clean and clear of tool(s) and other items.
Subtask 79-32-15-010-051
C. Remove the warning notice(s).
Subtask 79-32-15-861-050
D. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002). Subtask 79-32-15-860-051
E. Do the EIS start procedure (lower ECAM DU only) (Ref. TASK 31-60-00-860-001).
Subtask 79-32-15-710-050
F. Do a minimum idle check (Ref. TASK 71-00-00-710-006) and do a check for leaks.
Subtask 79-32-15-869-050
G. Make sure that oil temperature indication is available on the lower ECAM DU.
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________ Subtask 79-32-15-860-053
A. Do the EIS stop procedure: (Ref. TASK 31-60-00-860-002). Subtask 79-32-15-862-050
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