(0.40 to 2.60 m.daN)
 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. CP2442 * engine oil (Ref. 70-30-00) Material No. CP8001 * lockwire 0.032 in. (0.8 mm) dia. (Ref. 70-30-00) Material No. CP8002 * lockwire 0.032 in. (0.8 mm) dia. (Ref. 70-30-00)
 C. Expendable Parts
 -------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
R 100 O-ring 79-00-00 02 -210 R 100 O-ring 79-00-00 02 -210A R
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 D. Referenced Information

 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
71-00-00-710-006 Minimum Idle Check
 71-13-00-010-040 Opening of the Fan Cowl Doors
 71-13-00-410-040 Closing of the Fan Cowl Doors
 79-00-00-210-003 Visual Inspection of the Oil System

R 79-00-00-991-303 Fig. 610
 3. Job Set-up
__________
 Subtask 79-00-00-941-057
 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.

 (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 79-00-00-010-057
 B. Open the fan cowls doors: (Ref. TASK 71-13-00-010-040)
 FOR 1000EM1
 437AL, 438AR
 FOR 1000EM2
 447AL, 448AR.

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 4. Procedure
_________
R (Ref. Fig. 610/TASK 79-00-00-991-303)
 Subtask 79-00-00-280-051
 A. Check of the Antisiphon Device
 CAUTION : USE 2 WRENCHES TO REMOVE/INSTALL THE TUBE UNION NUT: ONE TO
_______ HOLD THE FITTING, THE OTHER TO LOOSE/TORQUE THE NUT. OTHERWISE, DAMAGE TO THE HARDWARE CAN OCCUR.
 (1) Disconnect the coupling nut (60) of the antisiphon hose (70) from the forward sump oil supply line.

 (2) Disconnect the coupling nut (80) of the antisiphon hose (70) from the nipple (90) of the antisiphon device. Keep the antisiphon hose.

 (3) Blow, with compressed air, into the antisiphon hose (70) to make sure that there is no blockage.

 (4) Loosen the 4 attachment bolts (110) of the lubrication unit supply line (from antisiphon assembly) sufficiently to allow air passage.

 (5) Blow, with compressed air, through the nipple (90) to make sure that the restrictor is free of blockage.

 (6) If the restrictor is blocked, remove the lockwire and remove the nipple (90). Remove and discard the O-ring (100).

 (7) Clean the restrictor of the antisiphon device.

 (8) Install the nipple on the antisiphon assembly as follows.

R (a) Lubricate a new O-ring (100) with engine oil (Material No. CP2442). Install the O-ring on the nipple (90).
 (b) Install the nipple (90) on the antisiphon assembly. TORQUE to between 135 and 150 lbf.in (1.52 and 1.69 m.daN). Safety with a lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8001) or with a lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8002).
 (9) Attach the lubrification unit supply line to the forward flange connection of the antisiphon assembly with the 4 bolts (110). TORQUE the bolts to between 45 and 50 lbf.in (0.50 and 0.56 m.daN).
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R R  Check of the Antisiphon Device Figure 610/TASK 79-00-00-991-303
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 (10) Connect the antisiphon hose (70) to the nipple (90) of the antisiphon assembly and to the forward sump oil supply line. TORQUE the union nuts (60 and 80) to between 135 and 150 lbf.in (1.52 and 1.69 m.daN).
　
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