A320飞机维护手册 AMM 动力装置 POWER PLANT 1(42)_航空信息_民用航空_通用航空

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(1) Supply the aircraft pneumatic system from a HP ground power unit or the APU (Ref. TASK 36-12-00-860-001) or (Ref. TASK 36-12-00-860-002).

(2) Make sure that fire-fighting personnel is there.

(3) On the lower ECAM display unit:

(a) Get the HYDRAULIC page.

(b) Make sure that the pressure of the Green reservoir for the engine 1 (Yellow reservoir for the engine 2) is correct.

(4) Make sure that the engine 1(2) pump is serviceable (on the HYD/FUEL panel 40VU, the OFF legend of the ENG 1(2) PUMP pushbutton switch must be off).

(5) Do the EIS start procedure (Ref. TASK 31-60-00-860-001). Subtask 71-00-00-710-072
J. Do the operational test of the engine fire and overheat detection
(loop/squib) (Ref. TASK 26-12-00-710-001).

4. Procedure
_________ Subtask 71-00-00-710-073
A. Do this test: CAUTION : MAKE SURE THAT THE ENG/MASTER 1(2) CONTROL SWITCH (ON THE PANEL
_______ 115VU) IS SET TO OFF BEFORE YOU START THE FUEL PUMPS.
CAUTION : DURING THE WET MOTORING PROCEDURE THE ECAM WARNING MESSAGE
_______
ENGINE FAIL CAN COME INTO VIEW, IGNORE IT.

CAUTION : DO NOT OPERATE THE ENGINE IF THE FUEL INLET PRESSURE IS NOT
_______ POSITIVE (THE FUEL IS NECESSARY TO LUBRICATE THE ENGINE FUEL PUMP AND THE HMU AND THUS PREVENT DAMAGE).
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2. Make sure that the throttle control lever of the engine 1(2) is in the idle stop position (zero on the graduated sector).

3. On the ENG panel 115VU:

- Set the ENG/MODE/CRANK/NORM/IGN/START selector switch to CRANK.
4. On the overhead CTL & PNL panel 22VU:
- Push the ENG/MAN START/1(2) pushbutton switch.
- The OFF legends of these pushbuttonswitches go off.
On the lower ECAM display unit:
- The ENGINE page comes into view.

- Make sure that the available air pressure is between 25 psi (1.7 bar) and 55 psi (3.8 bar).

- Make sure that the quantity of oil in the oil tank of the engine 1(2) is at least 2.6 USgal (10 l).

- If necessary, fill the oil tank (Ref. TASK 12-13-79-610-002) (Ref. TASK 12-13-79-610-002).

- The ON legend of this pushbuttonswitch comes on.

On the lower ECAM display unit, on the ENGINE page:

- The symbol for the starter valve is in the open position.

NOTE : Make sure that you do not go over the starter limits that follow:
____
- no engagement of the starter when the core speed is above 20 percent.

- the acceptable duty cycles can be performed by using one the three following procedures:

- 4 consecutive cycles, each of 2 minutes duration with a 20 second rest between 2 consecutive attempts. After 4 cycles, wait 15 minutes to allow starter to cool before you try a new start or motoring.

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-------------------------------------------------------------------------------ACTION RESULT
-------------------------------------------------------------------------------- one 5 minute cycle followed by a cooling period of 2 minutes after the first motoring and a 10 minutes interval between the following ones. - one 15 minute cycle followed by a 15 minute cooling period before you try a new start or motoring. It is recommended to use the 15 minute cycle only for cooling the engine to do a borescope inspection.
NOTE : While the engine is motored, do a visual check for leaks at the fuel
____
and oil system tubes and manifolds.

5. When the N2 speed is between 15 and 20 percent, on the ENG panel 115VU:
- Set the ENG/MASTER 1(2) control switch to ON.
On the upper ECAM display unit:
- The fuel flow indication FF increases.

On the lower ECAM display unit:

- Make sure that the oil pressure indication is positive.

NOTE : Do not turn the engine for more than 15 seconds with the ENG/MASTER
　
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