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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 30 seconds in motoring, inject the cleaning solution 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).
(3) After two minutes in motoring, release the ENG/MAN START/1 (2) pushbutton switch and stop injecting the cleaning solution.
(4) Let the engine soak for 5 minutes.
(5) Repeat steps (1) to (3) if extreme organic debris or oil deposits were present or if remaining EGT margin prior to the water wash was less than 10 deg. C.
Subtask 72-00-00-110-082
F. Engine Rinsing CAUTION : DO NOT RINSE THE ENGINE EXPOSED TO DRY CHEMICAL EXTINGUISHING
_______ AGENT. DO NOT RINSE THE ENGINE UNLESS THE EGT IS BELOW 150 DEG.F (66 DEG.C.). DO NOT RINSE THE 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 THAT THE N1 ROTOR TURNS FREELY THROUGHOUT RINSING TO
_______
PREVENT OIL SYSTEM CONTAMINATION.
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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).
(3) Let the engine soak for 5 minutes.
(4) Dry motor the engine again for two minutes (Ref. TASK 71-00-00-710-001).
(5) 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).
(6) Let the engine soak for 5 minutes.
R (7) Dry motor the engine again for two minutes (Ref. TASK 71-00-00-710-001).
(8) After 10 seconds in motoring with positive fan rotation, inject the water for 1 minute, 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 motoring.
Subtask 72-00-00-010-139
G. Open the fan cowl doors (Ref. TASK 71-13-00-010-040):
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
Subtask 72-00-00-420-064
H. 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.
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(2) Blow PS3 and P25 lines clear of water with 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 72-00-00-410-138
J. Close Access
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