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 (1) Operable Engine Preservation.
 (a) Service the oil tank with an approved mixture of engine oil (Material No. CP2442) and at least 5 percent of lube system corrosion preventive oil (Material No. CP5067) or, as an alternative, 7 percent corrosion preventive additive (Material No. CP5075) by volume.
 NOTE : In both cases, a minimum of 19 l (5 USgal) of oil mixture
____ is required for preservation motoring.
 (b) Start the engine (Ref. TASK 71-00-00-710-003) and let it become stable at ground idle for 15-20 minutes, followed by a thrust reverser cycle (Ref. TASK 78-31-00-710-042) and stop the engine (Ref. TASK 71-00-00-710-028).
 (2) Cover entrance to fan inlet cowl and exit openings.
 NOTE : For period of up to 90 days, the fuel system need not be
____
 preserved.

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 TASK 72-00-00-600-007
 Preservation for a Period of 30 to 365 Days.
 1. Reason for the Job
__________________
 The preservation procedures shall be applied at completion of engine operation, prior to an engine return to shop, and when the engine is not to be operated for a period of 30 to 365 days.
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific caps
 No specific circuit breaker(s) safety clip(s)
 No specific container 26.5 USgal (100 l)
 No specific container 4 US gal (16 l)
 No specific oil pressurizing cart
 No specific plugs
 No specific soft nose pliers
 No specific Torque Wrench : range 36.00 to 220.00 lbf.in

 (0.40 to 2.60 m.daN)
R  856A1480 1 FADEC-ENGINE PRESERVATION/FALSE METERING VALVE SIGNAL 856A2930 1 COVER - FITTED BARE QEC'D ENGINE SHIPPING
 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. CP2098 USA MIL-D-3464 desiccant bags (Ref. 70-30-00) Material No. CP2160 USA MIL-LP-378 vapor barrier film (Ref. 70-30-00) Material No. CP2442 * engine oil (Ref. 70-30-00) Material No. CP5066 * fuel system corrosion preventive oil (Ref. 70-30-00) Material No. CP5067 * lube system corrosion preventive oil (Ref. 70-30-00) Material No. CP5075 *
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corrosion preventive additive (Ref. 70-30-00)
 C. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-13-79-610-003 Oil Tank Draining 12-13-79-610-004 Draining of the Accessory Drive Section 70-21-00-918-002 Seals (Preformed Packings and O-rings) and Gaskets 71-00-00-710-001 Dry Motoring Check 71-00-00-710-002 Wet Motoring Check 73-11-10-000-003 Removal of the Fuel Pump and Filter Assembly 75-31-20-820-001 Set the Variable Bleed Valve Assembly to the Closed
 position 72-00-00-991-310 Fig. 301 72-00-00-991-311 Fig. 302 72-00-00-991-312 Fig. 303
 3. Job Set-up
__________
 Subtask 72-00-00-865-054
 A. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 1000EM1
 49VU FUEL/LP VALVE/MOT1/ENG1 1QG A08 121VU FUEL/LP VALVE/MOT2/ENG1 3QG M25 FOR 1000EM2 49VU FUEL/LP VALVE/MOT1/ENG2 2QG A09 121VU FUEL/LP VALVE/MOT2/ENG2 4QG M26
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 4. Procedure
_________ (Ref. Fig. 301/TASK 72-00-00-991-310, 302/TASK 72-00-00-991-311, 303/TASK 72-00-00-991-312) Subtask 72-00-00-620-059 R A. Preservation for a Period of 30 to 365 Days. CAUTION : IF ENGINE WAS FERRIED OR SUBJECTED TO AN IN FLIGHT SHUTDOWN
　
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