(6) TORQUE the nut (20) to between 20 and 25 lbf.in (0.22 and 0.28 m.daN).
(7) Torque the drain tube coupling nuts.
CAUTION : USE A SECOND WRENCH TO HOLD THE FITTINGS WHEN YOU
_______ LOOSEN/TIGHTEN THE TUBE COUPLING NUTS. THIS PREVENTS DAMAGE TO THE TUBES.
(a) TORQUE the drain tube (5) coupling nuts to between 200 and 250 lbf.in (2.26 and 2.82 m.daN).
R **ON A/C 062-099, 103-149, 151-199, 203-299, 301-399, 401-499,
Subtask 71-73-49-420-058-A
A. Installation of the Hydro Mechanical Unit (HMU) Drain Tube
(1) Remove the protective covers from the Hydro Mechanical Unit and the drain tubes.
(2) Connect the HMU drain tube (5) to the HMU. Do not torque the coupling nut at this time.
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(3) Connect the HMU drain tube (5) to the heat exchanger drain tube. Do not torque the coupling nut at this time.
(4) Attach the drain tube (5) to the CFMI support tube bracket with the bolt (25), the washers (30) and (35), the nut (40) and the clamp (45).
(5) Attach the drain tube (5) to the bracket with the clamp (10), the bolt (15) and the nut (20).
(6) Make sure that the HMU drain tube (5) is aligned correctly on the engine.
R (7) TORQUE the nuts (20) and (40) to between 20 and 25 lbf.in (0.22 and
0.28 m.daN).
(8) Torque the drain tube coupling nuts.
CAUTION : USE A SECOND WRENCH TO HOLD THE FITTINGS WHEN YOU
_______ LOOSEN/TIGHTEN THE TUBE COUPLING NUTS. THIS PREVENTS DAMAGE TO THE TUBES.
(a) TORQUE the drain tube (5) coupling nuts to between 200 and 250 lbf.in (2.26 and 2.82 m.daN).
**ON A/C ALL
5. Close-up
________
Subtask 71-73-49-410-059
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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Removal of the Hydraulic Pump Drain Tube
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific container 1 l (0.25 USgal) No specific protective covers No specific warning notice
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
71-13-00-010-040 Opening of the Fan Cowl Doors 71-73-49-991-307 Fig. 408
3. Job Set-up
__________ Subtask 71-73-49-941-060
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.
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(b) Put a warning notice to tell persons not to energize the FADEC 1(2).
Subtask 71-73-49-010-060
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. 408/TASK 71-73-49-991-307)
Subtask 71-73-49-020-059
A. Removal of the Hydraulic Pump Drain Tube
(1) Put a container 1 l (0.25 USgal) below the drain reservoir module to catch any fluid remaining in the tube.
(2) Disconnect the hydraulic pump drain tube (20) from the drain reservoir module and let the fluid drain into the container.
(3) Remove the bolt (10), the nut (15) and the clamp (5) that attach the tube (20) to the bracket on the accessory gearbox.
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