CAUTION : DO NOT WASH ENGINE AT TEMPERATURE BELOW 14 DEG.F (-10 DEG.C).
_______
CAUTION : THE FUEL PUMP AND HMU ARE FUEL LUBRICATED. DO NOT MOTOR, START,
_______ OR OPERATE ENGINE UNLESS A POSITIVE FUEL INLET PRESSURE IS INDICATED. DAMAGE TO COMPONENTS MAY RESULT.
CAUTION : DO NOT EXCEED STARTER DUTY CYCLE. STARTER DAMAGE MAY RESULT.
_______
CAUTION : MAKE SURE THE N1 ROTOR TURNS FREELY THROUGHOUT WASHING TO
_______
PREVENT OIL SYSTEM CONTAMINATION.
CAUTION : DO NOT APPLY WATER AT MORE THAN 6 US GAL (23 LITERS) PER
_______
MINUTE. ENGINE DAMAGE CAN OCCUR.
(1) Dry motor the engine for two minutes (Ref. TASK 71-00-00-710-001).
(2) After 10 seconds in motoring with positive fan rotation, inject the water at 1 o'clock position on the Low Pressure Compressor (LPC) inlet through the fan blades (or at the LP compressor inlet if a specific rig is used), then let the engine continue in motoring.
(3) Let the engine soak for 5 minutes.
(4) Repeat steps (1) through (3).
(5) Dry motor the engine again for two minutes (Ref. TASK 71-00-00-710-001).
F 『 EEFF : ALL E Page 72472-00-00
E E May 01/05 ERE
ECES E Subtask 72-00-00-010-073
F 『
E C F M E
E E
E 56-5B E
E E
F. Open the fan cowl doors (Ref. TASK 71-13-00-010-040):
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
Subtask 72-00-00-420-055
G. Installation of PS3 Line and P25 Line
CAUTION : DO NOT BLOW COMPRESSED AIR OR NITROGEN INTO THE ECU. DAMAGE TO
_______
THE ECU CAN OCCUR.
(1) Remove the plugs from the PS3 and P25 lines and from the ECU.
(2) Blow PS3 and P25 lines clear of water using compressed air or nitrogen.
(3) Connect PS3 line to ECU, TORQUE to between 270 and 300 lbf.in (3.05 and 3.39 m.daN) and safety with lockwire 0.032 in. (0.8 mm) DIA (Material No. CP8001) or lockwire 0.032 in. (0.8 mm) DIA (Material No. CP8002).
(4) Connect P25 line to ECU, TORQUE to between 180 and 200 lbf.in (2.03 and 2.26 m.daN) and safety with lockwire 0.032 in. (0.8 mm) DIA (Material No. CP8001) or lockwire 0.032 in. (0.8 mm) DIA (Material No. CP8002).
Subtask 72-00-00-410-085
H. 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
F 『 EEFF : ALL E Page 72572-00-00
E E May 01/05 ERE
ECES E
F 『
E C F M E
E E
E 56-5B E
E E
Subtask 72-00-00-620-063
J. Post Engine Wash Test
(Ref. Fig. 705/TASK 72-00-00-991-304)
(1) On the AIR COND panel 30VU, make sure that:
- The ON legend of the APU BLEED pushbutton switch is off.
- The OFF legend of the PACK 1 and the PACK 2 pushbutton switches are on prior to start the procedure.
- The cross bleed valve rotary selector is on CLOSE position.
(2) Start the engine within 2 hours (or 30 minutes if icing condition) of the last wash cycle to purge the lube/sump system of any water ingestion (Ref. TASK 71-00-00-710-003).
NOTE : This engine run is done to ensure that the bleed system is
____ free from contaminant. Smoke/Smell in cabin can result if contaminant enters in the bleed system.
NOTE : Corrosion preventive products should be used if not already
____ done. If none of the corrosion preventive products specified above is available, engine must resume Revenue Service operation within 24 hours following this Post Wash Test.
(a) Let the engine run at idle for 5 minutes.
(b) After 5 minutes from engine start, do the following:
1 Press the ANTI-ICE/ENG 1(2) pushbutton switch to operate the
_
engine anti-ice system.
2 Make sure that the ON legend of the ANTI-ICE/ENG 1(2)
_ pushbutton switch goes on when the engine anti-ice system operates.
CAUTION : AFTER 30 MINUTES FROM ENGINES START, ANTI-ICE/ENG
_______ 1(2) PUSHBUTTON SWITCH SHOULD BE PRESSED OFF TO DEACTIVATE THE ENGINE ANTI-ICE SYSTEM. IF NOT, DAMAGE TO THE ENGINE COULD OCCUR.
3 Increase and stabilize engine thrust to at least 60 percent
_ Fan (N1) Speed until HPV is closed while PRV is open on ECAM BLEED page.
4 Make sure that HPV is closed and PRV opened on ECAM BLEED page
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：A320飛機維護手冊 AMM ENGINE 發動機 1(74)
