737-300 400 500 AMM 飞机维护手册 电源 ELECTRICAL POWER(36)

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_______ TOO MUCH ENGINE SPEED CAN CAUSE DAMAGE IF THE CSD OR THE GENERATOR ARE INCORRECTLY INSTALLED.
 MAKE SURE THAT A VOLTAGE AND A FREQUENCY SHOW ON THE METERS. SHUTDOWN THE ENGINE, IF THE METERS DO NOT SHOW A VOLTAGE AND A FREQUENCY. IF YOU CONTINUE TO OPERATE THE ENGINE, YOU CAN CAUSE MORE DAMAGE TO THE CSD AND THE GENERATOR.
 (2)  Do this task: "Start the Engine" (AMM 71-00-00/201).
 (a)  
Make sure that the LOW OIL PRESSURE or DRIVE light, on the forward overhead panel, goes off when the engine reaches idle speed.

 (b)  
If the LOW OIL PRESSURE or DRIVE light does not go off when the engine is at or above idle speed, do the trouble-shooting on the CSD (AMM 24-11-00/101).

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 24-11-11
 ú CONFIG ú 01 Page 417 ú Nov 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 S 764-046-001

 (3)  If you are unsure that the phase sequence is correct, do this task:
 Generator Phase Sequence Test (AMM 24-21-00/501).
 S 214-032-001
 (4)  Make sure that the voltmeter shows 115 volts and the frequency meter
 shows 400 |5 Hz.
 (a) If the frequency is not 400 |5 Hz, adjust the CSD
 (AMM 24-11-11/501).
 S 864-033-001
 (5)  Push the generator control switch for GEN 1 or GEN 2 on the forward
 overhead panel to OFF and then release it.
 S 864-034-001
 (6)  Set the RESID VOLTS switch to ON.
 (a) Make sure that a residual voltage shows on the ac voltmeter.
 S 214-037-001
 (7)  Examine the generator output voltage.
 (a) Set the selector switch for the volt meter to GEN 1 or GEN 2.
 (b) Push and release the GEN 1 or GEN 2 switch on the pilots'
 forward overhead panel to ON.
 (c) Make sure that the AC voltmeter shows approximately 115 volts.
 S 414-038-001
 (8)  Close the load control center, panel P6-11 or P6-12.
 S 214-039-001
 (9)  Do this task: "Generator Constant Speed Drive Test"
 (AMM 24-11-11/501).
 NOTE: This is a test of the disconnect mechanism in the CSD.____

 S 864-040-001
 (10) Shutdown the engine.
 (a) Stop for 5 minutes.
 NOTE: The 5 minutes will let the oil level become stable.
____ When the oil level becomes stable, you can get an accurate indication of the oil level.
 You can examine the CSD for leaks while you stop for the five minutes for the oil level to become stable.
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 24-11-11
 ú CONFIG ú 01 Page 418 ú Nov 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 214-041-001
 (11) Examine the CSD oil system for leaks.
 (a)  Examine these locations carefully: 1) The oil supply and return line connections. 2) The connection points for the oil pressure switch. 3) The CSD case. 4) The connection surface between the QAD ring and the spline
 cavity. 5) The CSD drain lines. 6) The reset gland for the CSD disconnect. 7) The fill valve in the oil supply line. 8) The line oil filter. 9) The oil cooler and the oil cooler fittings.
 S 214-042-001
 (12)
 Look at the sight glass that shows the oil level on the CSD.

 (a)  
Make sure the oil level is in the range for a usual operation.

 (b)  
If necessary, do this task: "Fill the CSD with Oil" (AMM 12-13-21/301).

 

 H.
Put the Airplane in It's Usual Condition

 (1)  
Close the access panels.

 S 864-044-001

 (2)  
If it is not necessary, remove the power from the airplane
 (AMM 24-22-00/201).

 

 S 864-043-001
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH CONSTANT SPEED DRIVES ú
　
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