F 『 E C F M E E E E 56-5B E F 『 E C F M E E E E 56-5B E E E 5 Press the ENG 1(2) BLEED pushbutton switch to operate the

 Engine Cleaning (Washing with Pure Water) Figure 705/TASK 72-00-00-991-304
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_
 engine bleed system.

 6 Make sure that the OFF legend of the ENG1 (2) BLEED pushbutton
_ switch goes off when the engine bleed system operates.
 7 Press the ANTI-ICE/WING pushbutton switch to operate the wing
_
 anti-ice system.

 8 Make sure that the ON legend of the ANTI-ICE/WING pushbutton
_ switch comes on when the wing anti-ice system operates.
 (c) Let the engine run at the stabilized Fan (N1) speed for 5 minutes.

 (d) Pull throttle to stabilize engine thrust at idle for 5 minutes.

 (e) After 15 minutes from engine start, do the following:

 1 Press the ANTI ICE/ENG and ANTI ICE/WING pushbutton switches
_
 to turn off both anti-ice systems.

 2 Make sure that the ON legend of the ANTI-ICE/ENG and
_ ANTI-ICE/WING pushbutton switches goes off.
 3 Turn the cross bleed valve rotary selector to AUTO position.
_
 4 Press the PACK 1 and the PACK 2 pushbutton switches to operate
_
 the air conditioning packs.

 5 Make sure that the OFF legend of the pushbutton switches goes
_
 off.

 6 Check for evidence of anti-freeze mixture odor/smoke in the
_
 cabin.

 - If evidence is found, continue to operate the engine at idle until no odor/smoke remains in the cabin.

 - After 10 minutes engine running, if continuous odor/smoke remains in the cabin, shut down the engine (Ref. TASK 71-00-00-710-028) and decontaminate the Environmental Control System (ECS).

 - If no evidence is found, shutdown the engine (Ref. TASK 71-00-00-710-028).

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________ Subtask 72-00-00-869-065
 A. Make sure that the work area is clean and clear of tool(s) and other items.
 Subtask 72-00-00-942-053
 B. Remove the warning notice(s). Subtask 72-00-00-862-051
 C. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
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 TASK 72-00-00-100-028

 Washing of the Engine Gas Path with Cleaning Agent
 1. Reason for the Job
__________________
 Engine washing with cleaning agent is preferred when organic debris or oil deposits are present or remaining EGT margin is less than 5 deg. C.
 NOTE : If cleaning agent is used, proper Aircraft Maintenance Configuration,
____ engine rinsing and post engine wash test must be completed to prevent the possibility of fumes in the cabin when Aircraft resumes revenue flight operation.
 NOTE : The engine bleed system must be operative prior to proceeding with
____ engine washing with cleaning agent. Check that there is no failure message on the engine bleed system.
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notice
 No specific Torque Wrench : range 36.00 to 220.00 lbf.in

 (0.40 to 2.60 m.daN)
 No specific Torque Wrench : range 96.00 to 900.00 lbf.in

 (1.00 to 10.00 m.daN)
 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. CP5067 * lube system corrosion preventive oil (Ref. 70-30-00) Material No. CP5075 * corrosion preventive additive (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)
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