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B. Put the aircraft back to its initial configuration.
(1) Stop the pneumatic supply to the aircraft:
(a) Disconnect the HP ground power unit or stop the APU.
(2) Do the EIS stop procedure (Ref. TASK 31-60-00-860-002). Subtask 71-00-00-410-063
C. Close the thrust-reverser doors (Ref. TASK 78-36-00-410-040): FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
Subtask 71-00-00-440-054
D. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041). Subtask 71-00-00-410-067
E. Close the fan cowl doors (Ref. TASK 71-13-00-410-040):
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
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TASK 71-00-00-710-002
Wet Motoring Check
WARNING : MAKE SURE THAT ALL ENGINE OPERATING AREAS ARE AS CLEAN AS POSSIBLE.
_______ ALL RAMPS, TAXIWAYS, RUNWAYS AND OTHER OPERATING AREAS MUST BE VERY CLEAN TO PREVENT BAD DAMAGE TO THE ENGINE, AIRCRAFT AND PERSONS IN THE AREA.
WARNING : DO NOT TRY TO STOP FAN FROM TURNING BY HAND. THIS CAN CAUSE INJURY TO
_______
THE PERSONS AND DAMAGE TO THE EQUIPMENT.
WARNING : MAKE SURE THAT THE LANDING GEAR GROUND SAFETIES AND THE WHEEL CHOCKS
_______
ARE IN POSITION.
WARNING : DO NOT PERFORM WET MOTORING IN A HANGAR OR IN A CLOSED AREA.
_______ A LARGE QUANTITY OF HIGHLY FLAMMABLE FUEL VAPORS COME OUT FROM THE ENGINE DURING THIS PROCEDURE AND THERE IS A RISK OF FIRE.
R WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES ARE
_______ R CLEAR BEFORE YOU MOTOR THE ENGINE. MOVEMENT OF THE FLIGHT CONTROL R SURFACES CAN BE DANGEROUS AND/OR CAUSE DAMAGE.
CAUTION : - SEE THE APPLICABLE FIGURE FOR WIND LIMIT RESTRICTIONS WHEN THE
_______
ENGINE OPERATES.
- NATURAL WINDS AND IRREGULAR FORCES FROM SUDDEN GUSTS INCREASE THE DANGEROUS AREA.
- DO NOT GO ABOVE OPEN COWLING LIMITATIONS WHEN YOU DO THE TESTS.
- THE OPERATOR MUST FULLY KNOW ALL THE OPERATING LIMITS AND PROCEDURES BEFORE ENGINE OPERATES.
CAUTION : DO NOT REPLACE AN IDLE LEAK CHECK BY A MOTORING TEST. YOU CAN NOT
_______ DETECT POTENTIAL OIL LEAKS WITH A MOTORING TEST. IF YOU DO A MOTORING TEST INSTEAD OF AN IDLE LEAK CHECK, AN ENGINE SHUTDOWN COULD RESULT.
CAUTION : MAKE SURE THAT THERE IS NO HYDRAULIC GROUND POWER SUPPLY CONNECTED TO
_______ THE AIRCRAFT WHEN YOU DO THIS PROCEDURE. IF A GROUND POWER SUPPLY IS CONNECTED, THERE IS A RISK OF DAMAGE TO THE ENGINE PUMPS.
1. Reason for the Job
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Wet motoring is necessary for maintenance checks where you must turn the engine and have fuel flow without ignition:
- leak check of the fuel system,
- when engine is removed from storage
- to prime the engine fuel system after maintenance The dry motoring check can be necessary during or after inspection or maintenance. The dry motoring check makes sure that the engine will turn freely and that the instruments operate correctly, and that the operation of the starter meets the speed requirements for successful starts. It can be used to dry the remaining fuel that can collect in the combustion chamber or the lower section of the turbine casing.
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2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-13-79-610-002 Check oil level and replenish Check Pop Out Indicator
of EMCD (Electrical Master Chip Detector) 12-13-79-610-002 Check oil level and replenish (Pressure Filling) 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the
External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
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