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TB20 MAINTENANCE MANUAL 27 FLIGHT CONTROLS TB20飞机维护手册 飞行操纵(64)

时间:2011-11-01 13:12来源:蓝天飞行翻译 作者:航空
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1) Install potentiometer (5) on bracket (1), connect the lugs.
2) Position spacer (3) on potentiometer (5) pin.
3) Position the potentiometer slider to full L.H. position - see Figure 204, then move it slightly rearward.
4) Make sure the flaps are fully extended.
5) Connect link (4) to levers (6) and (2) [link adjusted to 3.03 in (77 mm) length].
6) Engage lever (2) of potentiometer on the pin resting on spacer (3).
7) Tighten the lever moderately in this position.
C. Inspection / check of flap indicator (Figure 205)
Flap indicator, P / N TB20 76035, valid for S / N 1 - 524 (Figure 205)
1) Select 300 Ohms and set to upper point through P2.
2) Select 190 Ohms and set to lower point through P1.
3) Repeat the steps and reset P1 and P2 if necessary.
4) Lock the potentiometers with varnish (TB 07-906).
Printed circuit, P / N TB20 61095, valid for S / N 1 - 822. 850 - 887, 889 - 947 (Figure 205A)
1) Supply contact 3 of P023 connector (1) at a voltage of 14 V.
2) Rx : adjustable resistor from 50 to 300 Ohms.
3) Indicator installed or materialized by a resistor : 5 KOhms 5 % - 1/2 W.
4) Measure voltage at test point 2, V = 2.57 V ± 0.03, adjust through P6.
5) R= 245 Ohms - Vs = 2.57 V ± 0.03 through P2.
6) Cancel D2 feed back line by adjusting the anode voltage to < 2 V through P5.
7) R = 300 Ohms - Vs = 1 V± 0.03 through P4.
8) R = 245 Ohms, adjust the anode voltage to 2.57 V ± diode threshold.
9) R = 75 Ohms, adjust Vs = 5 V through P3.
10) Check the adjustments and repeat the steps if necessary.
11) Lock the potentiometers with varnish (TB 07-906).
Printed circuit, P / N TB20 61231, valid for S / N 1 - 9999 (Figure 205B, Detail D)  Aircraft 14 V
1) Supply contact 3 of P023 connector (1) at a voltage of 14 V.
AEAA
Validity : "AVIAC" flap actuator 27-50-01Page 205
(DA) MAR 00
 
Aircraft 28 V
1) Supply contact 1 of P023 connector (1) at a voltage of 28 V.
All
2) Rx : adjustable resistor from 50 to 300 Ohms.
3) Indicator installed or materialized by a resistor : 5 KOhms ± 5 % - 1/2 W
4) Measure voltage at test point 2, V = 2.57 V ± 0.03, adjust through P6.
5) R= 245 Ohms - Vs = 2.57 V ± 0.03 through P2.
6) Cancel D2 feed back line by adjusting the anode voltage to < 2 V through P5.
7) R = 300 Ohms - Vs = 1 V -± 0.03 through P4.
8) R = 245 Ohms, adjust the anode voltage to 2.57 V ± diode threshold.
9) R = 75 Ohms, adjust Vs = 5 V through P3.
10) Check the adjustments and repeat the steps if necessary.
11) Lock the potentiometers with varnish (TB 07-906).
Printed circuit, P / N TB20 61264, valid for S / N 1 - 9999 (Figure 2058, Detail E)
 
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