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C. Installation of stall warning device 1) If removed, install warning device (6) on bracket (7) using bolts (4), washers (3) and new nuts (5). 2) Through the leading edge notch, connect electrical wires (2) to warning device (6). 3) Insert the wire from the leading edge to install the warning device. 4) Screw in bracket (7) on the leading edge skin with screws (1). 5) Check and adjust if necessary - refer to Paragraph 3. 3. ADJUSTMENT / TEST - STALL WARNING DEVICE A. Tools and consumable materials - Stall warning device travel jig 8110 TB10 61017100 B. Adjustment of stall warning device Adjustment is done by bending the vane bracket blade located on L.H. wing leading edge : - upwards, to increase stall speed, - downwards, to decrease stall speed. C. Test of stall warning device 1) Ground test without travel jig a) Close the main switch-breaker. b) Lift the stall warning device vane. The warning signal should sound when the vane is lifted by 0.118 in to 0.197 in (3 to 5 mm) with regard to the aperture in the wing. 2) Ground test with travel jig a) Close the main switch-breaker. b) Position the travel jig on the wing in line with the stall warning device. AAAA Validity : S / N 1 - 9999 27 30-04Page 201 pN MAR 00 c) Lift the stall warning device vane. The warning signal should sound when the vane is aligned with the screen-printed marking. 3) Flight test a) In flight, the warning signal should sound at 5 to 10 kt above stall speed. b) Perform the tests at a sufficient altitude in the following configurations : - clean, - take-off, - landing. 1 - Screw 2 - Electrical wire 3 - Washer 4 - Bolt 5 - Nut 6 - Warning device 7 - Bracket 14273004AAAAYZ4000 Stall warning device - Removal / Installation |