(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.
(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 72-00-00-010-148
B. Open the fan cowl doors (Ref. TASK 71-13-00-010-040):
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
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4. Procedure
_________
(Ref. Fig. 204/TASK 72-00-00-991-317)
Subtask 72-00-00-280-070
A. Forward Sump Air Flow Check WARNING : USE PROTECTIVE GLOVES AND BE CAREFUL WITH OIL SPLASHES WHEN YOU
_______ DISCONNECT OIL TUBES. HOT OIL CAN CAUSE DEEP BURNS.
(1) Put a container of 0.5 USgal (2 l.) under the junction of the oil supply tube (10) and oil supply hose (20).
(2) Cut and remove the lockwire which safeties the union nut of the oil supply hose (20) to the oil supply tube (10).
(3) Disconnect the oil supply hose. CAUTION : USE 2 WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS.
_______ ONE WRENCH TO HOLD THE UNION AND ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT. THIS WILL PREVENT DAMAGE TO THE HARDWARE.
(a) Disconnect the oil supply hose (20) from the oil supply tube (10).
(4) Connect the test rig equipped with ADAPTER, TEST RIG - AIR FLOW CHECK (856A3267G02), to the oil supply tube (10).
(5) TORQUE the union nut to between 225 and 275 lbf.in (2.54 and 3.10 m.daN).
R (6) Do the check of the forward sump oil supply circuit (Ref. TASK 71-00-R 00-820-002).
(7) If the measured flow rate is not within the limits, replace the power plant (Ref. TASK 71-00-00-000-040) and (Ref. TASK 71-00-00-400-040).
(8) Disconnect the test rig from the oil supply tube (10).
(9) Connect the oil supply hose (20) to the oil supply tube (10).
(10) TORQUE the union nut to between 450 and 550 lbf.in (5.08 and 6.21 m.daN).
(11) Safety the union nut with lockwire 0.032 in. (0.8 mm) dia (Material No. CP8001) or lockwire 0.032 in. (0.8 mm) dia (Material No. CP8002).
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Air Flow Check of the Forward Sump Oil Supply Circuit
Figure 204/TASK 72-00-00-991-317
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Subtask 72-00-00-710-059
B. Do an idle check (Ref. TASK 71-00-00-710-006) and check for leaks.
Subtask 72-00-00-610-053
R C. Do a check of the oil level (Ref. TASK 12-13-79-610-002).
5. Close-up
________
Subtask 72-00-00-410-147
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).
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Air Flow Check of the AGB/TGB Oil Supply Circuit
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
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