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TB20 MAINTENANCE MANUAL 24 COMMUNICATIONS TB20飞机维护手册 电源(23)

时间:2011-10-31 12:26来源:蓝天飞行翻译 作者:航空
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4) Supply the voltage regulator with a stabilized power supply source adjustable within 24 and 36 V.
5) Vary the supply voltage, check that the voltage regulator triggers at 32 (+ 0.5 ; - 0) VDC and that the test wiring indicator light goes off.
NOTE : In case of incorrect operation, replace the regulator (no setting is possible).
6) Remove the test wiring and install the regulator if removed.
7) Connect the regulator.
3. CHECK OF LOW VOLTAGE DETECTION SYSTEM (Figure 603)
A. Tools and consumable materials
- 1 stabilized power supply source adjustable within 24 and 36 V
- Varnish (TB 07-901)
B. Procedure
1) Disconnect the battery - refer to 24-30-02.
2) Supply the aircraft mains with a stabilized power supply source adjustable within 24 and 36 V.
3) At a 24 V supply voltage, the generation warning light located on advisory panel (1) is on.
4) Vary the supply voltage and check that the generation warning light goes off between 25.8 and 26.2 VDC.
5) If necessary, adjust adjustable resistor (3) of low voltage detection printed circuit (2) to set the triggering
threshold. Once the setting completed, lock adjustable resistor (3) with varnish (TB 07-901).
NOTE : Low voltage detection printed circuit (2) is located on fuse panel assembly (4),
inspection door 212L - refer to 06-30-00.
6) Connect the battery - refer to 24-30-02.
ADAB
Validity : S / N 823 - 849, 888, 948 - 9999 24 30-00Page 603
(CG) OCT 02

 
Check of regulation system
Figure 601
 

 
Rouge
Red
Bleu
''',.,.•------"--410 Blue
Noir
 
Rouge
Red
Bleu
Blue
 
Black
Check of overvoltage system
Figure 602
ADAB
Validity : S / N 823 - 849, 888, 948 - 9999 24-30-00Page 604
(CG) OCT 02
 
  1 - Advisory panel
2 - Low voltage detection printed circuit
3 - Adjustable resistor
4 - Fuse panel assembly

 
 

 
Check of low voltage detection system
Figure 603
ADAB
Validity : S / N 823 - 849, 888, 948 - 9999 24-30-00 Page 605 (CG) OCT 02
 
PAGE INTENTIONALLY LEFT BLANK
 
DC GENERATION
INSPECTION / CHECK
1. CHECK OF REGULATION SYSTEM (Figures 601 and 601A)
A. Tools and consumable materials
NOTE : The voltmeter included in the engine monitoring cluster must not be used as a calibration reference for maintenance, use a precision voltmeter.
- Voltmeter
B. Procedure
1) Remove inspection door 211 R - refer to 06-30-00.
2) Make sure the bonding of the voltage regulator grounding wire is correct - refer to 20-00-12. Check without a test set
 
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