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Effectivity: ALL 12. 06. 2020
INSTRUMENT AND I. Airspeed indicator, altimeter Type of maintenance: Line Personnel qualification: Independent certifying staff qualified in accordance
with Part-66 or higher. Recommended tools, materials, persons and documentation: ITEM QUANTITY Philips screwdriver 1 pc Oetiker pliers - Crimping pliers 1 pc Persons 1 Tab. 39-9 Recommended tools, materials, persons and documentation (1) Airspeed indicator removal: (a) Remove the instrument panel cover (Chapter 39-10, 2.A.(1)). (b) Remove the clamps (4, Fig. 39-10). (c) Disconnect the hoses (5; 6) from the ports of the instrument. (d) Remove the mounting screws (3); hold the instrument (1). (e) Remove the instrument (1) from the panel. (f) Put the caps on the hoses and instrument ports. (2) Airspeed indicator installation: WARNING PAY ATTENTION TO THE CORRECT PLUGGING OF THE PORTS (a) Remove the caps from the instrument port and hoses. (b) Calibrate the instrument as required. (c) Put the instrument (1, Fig. 39-10) in position in the panel (7). (d) Install mounting screws (3). (e) Connect the hoses (5; 6) to the ports of the instrument (1) and secure them with clamps (4). (f) Carry out a pitot-static leak test (Chapter 34-10). (g) Install the instrument panel cover (Chapter 39-10, 2.A.(2)). (3) Altimeter removal: (a) Remove the instrument panel cover (Chapter 39-10, 2.A.(1)). (b) Remove the clamps (4, Fig. 39-10). (c) Disconnect the hose (5) from the port of the instrument. (d) Remove the mounting screws (3); hold the instrument (2). (e) Remove the instrument (2) from the panel. (f) Put the caps on the hose and instrument port.
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