_
or (856A2930G02) from the engine.
7 Motor engine at max motoring speed for 4 minutes and shut
_
down.
NOTE : Engine can be motored on stand by connecting a start
____ cart hose to the starter shut off valve, with a locally manufactured adapter (Ref. TASK 80-11-00-040-045).
8 Ensure VBV doors are closed (Ref. TASK 75-31-20-820-001).
_
9 Cover VBV grills with vapor barrier film (Material No.
_
CP2160).
10 Cap or cover all strut, piping, accessory openings and
__
electrical connections.
11 Seal front and back openings/exposed areas with vapor barrier
__ film (Material No. CP2160). It is recommended that desiccant bags (Material No. CP2098) be placed on either side of the engine, but not in contact with the engine hardware.
12 Cover entire engine with COVER - FITTED BARE QEC'D ENGINE
__ SHIPPING (856A2930G01) and secure tightly in place.
13 Raise stand base with a forklift.
__
14 Deploy, lower and pin caster wheels of stand base.
__
15 Lower stand base, clear forklift.
__
16 Tow stand base
__ CAUTION : MAXIMUM TOWING SPEED IS 3MPH (5KM/H).
_______
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E 56-5B E E E a Tow stand base (dolly) with engine to storage area.
_
(2) Preservation - Non-operable Engines
(a) Dry out and relubricate engine (Ref. TASK 72-00-00-100-007) if engine was ferried or subjected to an IFSD.
(b) If engine is non-operable, consider engine preserved for 30 days from time of last operation.
(3) Ensure VBV doors are closed (Ref. TASK 75-31-20-820-001).
(4) Cover VBV grills with vapor barrier film (Material No. CP2160).
(5) Cap or cover all strut, piping and accessory openings and electrical connections.
(6) Seal front and back openings/exposed areas with vapor barrier film (Material No. CP2160). It is recommended that desiccant bags (Material No. CP2098) be placed on either side of the engine, but not in contact with the engine hardware.
(7) Cover entire engine with COVER - FITTED BARE QEC'D ENGINE SHIPPING (856A2782G01/G02), and secure tightly in place if in a trailer or stand. If on wing, cover entrance of fan cowling and exit opening of tailpipe.
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TASK 72-00-00-600-025
Preservation for a Period up to 90 Days.
1. Reason for the Job
__________________
The preservation procedure 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 up to 90 days.
This procedure is only applicable to on-wing installed engine.
2. Job Set-up Information
______________________
A. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. CP2442 *
engine oil (Ref. 70-30-00) R Material No. CP5067 * R lube system corrosion preventive oil (Ref. 70-30-00) R Material No. CP5075 * R corrosion preventive additive (Ref. 70-30-00)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
71-00-00-710-003 Engine Automatic Start
71-00-00-710-028 Engine Shutdown
78-31-00-710-042 Operational Test of the Thrust Reverser System
3. Job Set-up
__________
Subtask 72-00-00-869-067
A. Not Applicable
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4. Procedure
_________
Subtask 72-00-00-620-058
R A. Preservation for a Period up to 90 days.
CAUTION : IF ENGINE WAS FERRIED OR SUBJECTED TO AN IN FLIGHT SHUTDOWN
_______ (IFSD), ENGINE MUST BE "DRIED OUT" AND RELUBRICATED WITHIN 24 HOURS PER DRY OUT PROCEDURE OF THIS SECTION.
CAUTION : UNDER NO CIRCUMSTANCES SHALL PRESERVATIVE OIL OR EQUIVALENT BE
_______ SPRAYED INTO THE ENGINE INLET, CORE COMPRESSOR OR TURBINE, OR ENGINE EXHAUST. DIRT PARTICLES DEPOSITED ON THE WETTED BLADES AND VANES MAY ADVERSELY AFFECT ENGINE PERFORMANCE DURING SUBSEQUENT OPERATION.
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