R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
R 24-21-00-991-302 **ON A/C 401-499,
R R 24-21-00-991-302-A **ON A/C ALL
3. Job Set-up__________
Fig. 302
Fig. 302A
Subtask 24-21-00-861-060
A. Energize the ground service network (Ref. TASK 24-42-00-861-001).
Subtask 24-21-00-941-067
B. Safety Precautions
(1)
On the center pedestal, on the ENG panel 115VU:
(a) Put a warning notice in position to tell persons not to start the engine.
(2)
Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3)
On the overhead maintenance panel 50VU:
(a)
Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b)
Put a warning notice in position to tell persons not to energize the FADEC 1(2).
Subtask 24-21-00-010-073
C. Open the fan cowl doors (Ref. TASK 71-13-00-010-040):
-
FOR 1000EM1
437AL, 438AR
-
FOR 1000EM2
447AL, 448AR
Subtask 24-21-00-481-058
D. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
4. Procedure
_________ R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
(Ref. Fig. 302/TASK 24-21-00-991-302) R **ON A/C 401-499,
R (Ref. Fig. 302A/TASK 24-21-00-991-302-A)
Servicing of IDG after Oil Chemical Contamination
Figure 302/TASK 24-21-00-991-302
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 24-21-00Page 321 1201-299, 301-399, 1Aug 01/05 1 1 1CES 1R Servicing of IDG after Oil Chemical Contamination R Figure 302A/TASK 24-21-00-991-302-A
R 1EFF : 401-499, 1 24-21-00Page 322 1 1 Aug 01/05 1 1 1CES 1R **ON A/C ALL
Subtask 24-21-00-864-054
A. Depressurization of the IDG Case WARNING : POINT THE OVERFLOW DRAIN HOSE INTO A CONTAINER WHEN YOU CONNECT
_______ THE HOSE TO THE OVERFLOW DRAIN VALVE. THIS WILL PREVENT BURNS FROM THE HOT OIL SPRAY. HOT OIL CAN CAUSE BURNS TO EYES AND SKIN.
CAUTION : DO NOT USE DEVICES OTHER THAN THE APPROVED OVERFLOW DRAIN-HOSE
_______ FITTING. HARD METAL OBJECTS SUCH AS SCREWDRIVERS CAN CAUSE DAMAGE TO THE OVERFLOW DRAIN-VALVE SEAT.
CAUTION : MAKE SURE YOU CONNECT THE HOSE OF THE OVERFLOW DRAIN-VALVE
_______ CORRECTLY. THIS HOSE LETS THE OIL IN THE IDG DRAIN TO THE CORRECT LEVEL. IF THERE IS TOO MUCH OIL IN THE IDG THE IDG WILL BECOME TOO HOT.
(1)
Put a container 5.7 l (1.5 USgal) (9) below the IDG (6).
(2)
Remove the dust cap (4) from the overflow drain valve (5).
(3)
Put the end of the overflow drain hose (10) of the TANK - ENGINE OIL FILLING UP (DH13PM) in the container (9).
(4)
Do this step to depressurize the IDG case:
(a) Connect the overflow drain hose (10) of the TANK - ENGINE OIL FILLING UP (DH13PM) to the overflow drain valve (5).
NOTE : Some oil can come out of the overflow drain hose (10) of
____ the TANK - ENGINE OIL FILLING UP (DH13PM) when you connect it.
Subtask 24-21-00-680-059
B. Draining of the Oil WARNING : WEAR GOGGLES WHEN YOU REMOVE OR INSTALL THE LOCKWIRE. CUT,
_______ REMOVE AND DISCARD THE LOCKWIRE AS YOU DO THE TASK. LOOSE LOCKWIRE CAN CUT OR BLIND YOU.
(1) Cut and remove the lockwire from the case drain plug (1).
NOTE : Approximately 3.8 l (1 USgal) of oil will flow into the____ container.
(2) Remove the case drain plug (1).
(3) Remove the O-ring (2) and discard it.
(4) Drain the oil.
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
Subtask 24-21-00-920-053
C. Replace the IDG oil filter (Ref. TASK 24-21-51-000-041) and (Ref. TASK 24-21-51-400-041).
R **ON A/C 401-499,
R Subtask 24-21-00-920-053-A
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