LIEBHERR-AEROSPACE TOULOUSE SAS COMPONENT MAINTENANCE MANUAL(18)

曝光台 注意防骗 网曝天猫店富美金盛家居专营店坑蒙拐骗欺诈消费者

C.
19 Measure, with the ratiometers, the voltage ratio DE/DF between pin D and pin E and between pin D and pin
F.
20 Carefully set the auto-transformer to have a very low displacement speed (lower than 1 mm/s (0.039 in/s)).
21 Set the actuator to the MECHANICAL STOP EXTENDED position (door fully opened).
22 Measure the distance F between the measurement point X and the measurement point Y.
Make sure that E – DRF = 72 ± 2,5 mm (2.8346 ± 0.0984 in)
Record E – DRF.
Make sure that the voltage ratio AB/AC = 0,673 ± 0,020.
Record AB/AC.
Make sure that the voltage ratio DE/DF = 0,673 ± 0,020.
Record DE/DF.
Make sure that D – DRF = 3 ± 2 mm (0.1181 ± 0.0787 in).
Record D – DRF.
Make sure that the voltage ratio AB/AC = 0.0888 ± 0.0100.
Record AB/AC.
Make sure that the voltage ratio DE/DF = 0.0888 ± 0.0100.
Record DE/DF.
Make sure that F – DRF = 102 ± 0,3 mm (4.0157 ± 0.0118 in).
Record F – DRF.
Page 1017
21-53-12 JUN 15/10
ACTION RESULT

23 Carefully set the auto-transformer to have a displacement speed between 3 mm/s and 5 mm/s (between 0.118 in/s and 0.197 in/s).
24 Set the actuator to the ELECTRICAL EXTENDED position (door flight opened).
Page 1018
Mechanical Stop Retracted Position

pin E

VERSIONS DE - STROKES, MICROSWITCHES AND POTENTIOMETER TEST
Figure 1006/GRAPHIC 21-53-12-991-007-A01

Page 1019
21-53-12 JUN 15/10
Subtask 21-53-12-750-004-A01
(2) Potentiometer Spike Test
(a) For Versions ABC
ACTION  RESULT

1  Replace the ratiometers of the Electrical Test Set-Up by the recorders and a 10 VDC power supply (Ref. to Fig. 1001).
2  Carefully set the auto-transformer to have a very low displacement speed (lower than 1 mm/s (0.039 in/s)).
3  Start the potentiometer spike signal recorders (for both channels).
4  Set the actuator to the ELECTRICAL EXTENDED position (door flight closed) (Ref. to Fig. 1002).
5  Set the actuator to the ELECTRICAL RETRACTED position (door flight opened).
6  Set the actuator to the ELECTRICAL EXTENDED position (door flight closed).
7  Set the actuator to the ELECTRICAL RETRACTED position (door flight opened).
Make sure that the recorded potentiometer spike signals (for both channels) agree with the limits of the potentiometer spike specified signal (Ref. to Fig. 1007).
Page 1020

100 %

ACTUATOR - LIMITS OF THE POTENTIOMETER SPIKE SPECIFIED SIGNAL
Figure 1007/GRAPHIC 21-53-12-991-008-A01

Page 1021
21-53-12 JUN 15/10
(b) For Versions DE
ACTION  RESULT

1  Replace the ratiometers of the
Electrical Test Set-Up by the recorders
and a 10 VDC power supply
(Ref. to Fig. 1002).

2  Carefully set the auto-transformer to
have a very low displacement speed
(lower than 1 mm/s (0.039 in/s)).

3  Start the potentiometer spike signal
recorders (for both channels).

4  Set the actuator to the ELECTRICAL
EXTENDED position (door flight
opened) (Ref. to Fig. 1003).

5  Set the actuator to the ELECTRICAL
RETRACTED position (door flight
closed).

6  Set the actuator to the ELECTRICAL Make sure that the potentiometer spike EXTENDED position (door flight signals (for both channels) agree with the opened). specified signal (for both channels)
(Ref. to Fig. 1007).
Subtask 21-53-12-700-007-A01
(3) Actuator Installation
(a) For Versions ABCDE
ACTION  RESULT

1  Install the actuator (Ref. to Fig. 1008). 
2  (The nut of the rod-end of the ball-screw is hold with a torque from 6 to 8 N.m (from 53.12 to 54.89 lbf.in)).  Make sure that the washer at the nut of the rod-end of the ball-screw is not folded. (In this position, the male rod-end and the screw must be blocked in rotation for all 
　
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：LIEBHERR-AEROSPACE TOULOUSE SAS COMPONENT MAINTENANCE MANUAL(18)