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Wing flaps (control) - Wing flap actuator
Figure 1
WING FLAPS (CONTROL)
ADJUSTMENT / TEST
1. ADJUSTMENT / TEST - WING FLAPS (CONTROL)
A. Tools and consumable materials
- Clinometer
- Loctite (TB 08-013C)
- Flap travel jig 8650 TB20 00000 NOTE : The travel jig is used only in Paragraph C.
B. Adjustment of wing flap travel without travel jig (Figure 501)
CAUTION : BEFORE EACH OPERATION, MAKE SURE THE FLAP AREA IS CLEAR.
1) Remove the cowling under hull 218.
2) Close main switch-breaker.
3) Using control switch (1), extend and retract the flaps.
4) Install the warning sign prohibiting main switch-breaker operation.
WARNING
DO NOT OPERATE
MAINTENANCE WORK IN PROGRESS
5) Check the alignment of the flaps in relation to the wing footstep area.
6) If the two flaps are not correctly aligned, adjust related input rod (5), on wing side - refer to 20-00-11.
7) Extend and retract the flaps and make sure flap actuator (3) stops when the flaps contact the footstep.
NOTE 1 : Check the protection tape bonded on footstep / flap interface for presence and condition ; replace if necessary - refer to 57-00-00.
NOTE 2 : To avoid damaging flap actuator (3), make sure the flap contacts the footstep without excessive stress.
8) If flap actuator (3) operates with excessive resistance or if the flaps do not contact the footsteps, extend the flaps, screw in or out the retracted limit-microswitch adjusting-screw, coated with loctite (TB 08-013C).
NOTE : The zero degree position is reached when the flap molds to the footstep contour.
9) Position clinometer (4) on the flap and set the zero degree position - refer to 20-00-13.
10) Extend the flaps.
11) Check flap position : 40° (+0°30' ; -1°).
12) If the value is not obtained, retract the flaps, screw in or out the extended limit-microswitch adjusting-screw, coated with loctite (TB 08-013C). Repeat steps 10) and 11).
ACAA
Validity : S / N 1 - 9999 27-50-00Page 501
(DA) SEP 02
13) Actuate control switch (1) to set the flaps to "take-off" position.
14) Using the clinometer, check flap position : 11° ± 1°. If necessary, set the retracted intermediate microswitch - refer to 27-50-01.
15) Set control switch (1) to "retracted" position then to "take-off" position.
16) Using the clinometer, check flap position : 10° ± 1°. If necessary, set the extended intermediate microswitch - refer to 27-50-01.
17) Check the position of the pointer on the flap indicator for the three positions : "retracted", "take-off" and "landing".
18) If necessary, adjust the position transmitter then the flap indicator - refer to 27-50-01.
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本文链接地址：TB20 MAINTENANCE MANUAL 27 FLIGHT CONTROLS TB20飞机维护手册 飞行操纵(60)
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