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8) Lock the potentiometers with varnish (TB 07-906).
NOTE : P6 potentiometer must in no case be adjusted on aircraft. Varnish-lock P6 potentiometer in the laboratory.
1 - P023 connector
2 - Printed circuit
Flap indicator - Inspection / Check
Figure 204
AGAB
Validity : "LPMI" flap actuator 27-50-01Page 206
(EA) MAR 00
WING FLAP CONTROL
REMOVAL / INSTALLATION
1. REMOVAL / INSTALLATION - WING FLAP CONTROL
A. Tools and consumable materials
- Oil (TB 03-900A)
- Petrolatum (TB 04-012)
- Varnish (TB 07-906)
- Loctite (TB 08-013)
- Adhesive tape (TB 08-919A)
S / N 1 - 547, 553 - 579 Pre-Kit OPT10 911600
B. Removal of wing flap control (Figure 201)
1) Disconnect the battery - refer to 24-30-02.
2) Remove side pedestal covers - refer to 25-14-00.
3) Remove the flap indicator.
4) Remove screws (1), protective device (2) and dust-proof plate (3).
5) Rotate lower assembly (19) by 90° to disengage it downwards.
6) Disconnect connector (12) and retain lower assembly (19).
7) If necessary, disassemble lower assembly (19).
a) Partially unscrew screws (15).
b) Remove and discard nut (4), remove washer (5) and attaching bolt (6) from the wiring.
c) Remove and discard nuts (17), remove washers (11), bolts (10) and pad (9).
d) While unscrewing nut (14), remove rotary switch (7) from its housing, retain washer (13).
e) Check grommet (18) condition. Replace if necessary.
f) If rotary switch (7) has to be replaced, retain the wire equipped with connector (12) and clamp.
C. Installation of wing flap control (Figure 201)
1) If disassembled, reassemble lower assembly (19).
a) Check condition of the components, especially condition of lower section of selector (16) and pad (9) notches. Replace if necessary.
b) If rotary switch (7) is replaced, perform the following operations :
- Shorten tabs (8) by 0.12 in (3 mm) to avoid contact with the side pedestal cover.
- Connect the wires (as identified during removal) of the wires equipped with connector (12) and clamp.
c) Slightly lubricate rotary switch (7) pin, selector (16) hinge pin hole and grommet (18) with oil (TB 03-900A).
d) Center selector (16), screw rotary switch (7) on its bracket using washer (13) and nut (14). Check grommet (18) correct positioning and tighten nut (14).
e) Position and attach pad (9) using bolts (10), washers (11) and new nuts (17).
f) Tighten screws (15) and safety with varnish (TB 07-906).
g) Attach the wiring using bolt (6), washer (5) and new nut (4).
2) Make sure rotary switch (7) contacts pad (9) on the three positions.
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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(69)
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