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area.
3. Install screws securing LED angle bracket and alt static source cover plate to console.
4. Locate hole in alt static source cover plate positioned over surface of console assembly.
5. Use 0.170 inch (0.432 cm) drill bit at existing hole in cover plate to drill through console assembly.
6. Deburr drilled hole and solvent clean with isopropyl alcohol. (Refer to AMM 20-30)
7. Apply alodine to drilled hole to prevent corrosion.
O. Install alternate static source valve. (See Figure 01)
1. At inboard side of console, position clamp (item 6) to console at drilled hole location.
2. Loosely install screw (item 7) and nut (item 8) securing clamp to cover plate and console.
3. Install male tube connector (item 9) to alternate static source valve (item 5).
Note: Note orientation of knob prior to removal from alternate static source valve to facilitate
re-installation.
4. From back-side of alternate static source valve knob, press insert out from knob to facilitate
access to screw. Remove screw securing knob to alternate static source valve.
5. Position replacement alternate static source valve to clamp with knob coupling oriented to passthrough
hole in static source valve bracket.
6. Position clamp over end of alternate static source valve. Tighten screw and nut securing clamp
to static source valve bracket and console.
7. Push knob onto knob coupling on alternate static source valve.
Note: Orientation of knob in vertical position indicates valve is in closed position, and
horizontal position indicates valve is in open position.
8. Verify vertical/horizontal orientation of alternate static source valve knob corresponds with valve
open/closed positions.
9. Install screw securing knob to alternate static source valve. Slide insert into knob.
P. Install and route alternate static source lines. (See Figure 01)
1. Remove connector from one of the side fittings of the union tee (item 11).
2. Slide backside of connector over static line (item 12).
3. Install nylon insert (item 14) into static line (item 12).
4. Install static line (item 12) connector to side fitting of union tee (item 11).
5. Remove connector from female fitting (item 13).
6. Slide backside of connector over opposing end of static line (item 12).
7. Install nylon insert (item 14) into static line (item 12).
8. Install static line (item 12) connector to female fitting (item 13).
9. Install plug (item 15) to female fitting (item 13).
10. Remove connector from upper fitting of the union tee (item 11).
SB 2X-34-21
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11. Slide backside of connector over static line (item 10).
12. Install nylon insert (item 14) into static line (item 10).
13. Install static line (item 10) connector to upper fitting of union tee (item 11).
14. Remove fitting from end of male tube connector (item 9).
15. Slide backside of fitting over opposing end of static line (item 10).
16. Install nylon insert (item 14) into static line (item 10).
17. To prevent chafing, install spiral wrap tubing (item 16) over static line (item 10).
18. Install static line (item 10) connector to alternate static source valve (item 5).
19. Remove remaining connector from side fitting of the union tee (item 11).
20. Slide backside of connector over existing static line.
21. Install nylon insert (item 14) into existing static line.
22. Install static line connector to side fitting of union tee (item 11).
23. Route static line terminated by plug downward.
24. Perform Functional Test - Pitot System Leak Test. (Refer to AMM 34-10)
25. Perform Functional Test - Static System Leak Test. (Refer to AMM 34-10)
26. Serials SR20-1307 & subs, Serials SR22-0002 thru 1643, 1645 & subs: Install screws securing
upper flange of panel guard to console flange.
Q. Modify circuit breaker trim. (See Figure 02)
1. At inboard circuit breaker trim, measure 4.21 inches (10.69 cm) aft parallel to upper edge of circuit
breaker panel cut-out and 1.0 inch (2.54 cm) up perpendicular to upper edge of circuit
breaker panel cut-out, then mark.
2. From previous mark, measure 2.88 inches (7.32 cm) aft parallel to upper edge of circuit breaker
panel cut-out, then mark.
3. From previous mark, measure 2.25 inches (5.72 cm) up perpendicular to upper edge of circuit
breaker panel cut-out, then mark.
4. From previous mark, measure 2.88 inches (7.32 cm) forward parallel to upper edge of circuit
breaker panel cut-out, then mark.
5. Using straight-edge, draw rectangle connecting previous marks.
6. Center compass 1.44 inches (3.66 cm) from side and upper edges of rectangle, then mark arc
intersecting upper edges of rectangle.
7. Center compass 0.38 inch (0.97 cm) from lower corner edges of rectangle, then mark arc intersecting
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Cirrus Design SR20西锐20飞行员操作手册和飞机飞行手册附录(134)
