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3 - L.H. instrument panel 4 - R.H. upper cover 5 - Cup washer 6 - Screw 7 - R.H. instrument panel 8 - Hinge pin 9 - Spring flap Instrument panel - Removal / Installation Figure 401 AAAA Validity : S / N 1 - 9999 31 10-01Page 403 (BA) SEP 02 PAGE INTENTIONALLY LEFT BLANK CENTRAL CONSOLE REMOVAL / INSTALLATION 1. REMOVAL OF CENTRAL CONSOLE (Figures 401, 401A and 401B) A. Tools and consumable materials - Blanking caps B. Procedure 1) Make sure that the main switch-breaker is open. 2) Install the warning sign prohibiting main switch-breaker operation. WARNING DO NOT OPERATE MAINTENANCE WORK IN PROGRESS 3) Disconnect the battery - refer to 24-30-02. 4) Remove console upholstering (1) : a) Remove screws (8) and washers (9). b) At the console base, clear the upholstering from L.H. and R.H. strips and unclip the upholstering from pins (4), if installed. c) Clear the upholstering upwards and, in the case of raised consoles, disconnect compass (13). d) Disconnect console lighting wires and remove upholstering (1). 5) Remove compass (13). 6) Remove engine monitoring cluster (14) - refer to 31-10-03. 7) Remove upholstery panels (10) and (15) behind the instrument panels 8) Unlock and tilt L.H. instrument panel (11) - refer to 31-10-01. 9) Tilt R.H. instrument panel (16) - refer to 31-10-01. 10) If installed, disconnect central console and autopilot cooling hose(s) (7) ; blank off. 11) If installed, disconnect and blank off the autopilot static system hose. 12) Disconnect all the radio connectors and the coaxial cables (if installed) of the central console. 13) Cut off and discard the tie-wraps securing the wiring, hoses and other items necessary for the removal of the console. 14) Remove the different radio instruments by pulling them out of their racks from the rear - refer to each instrument handbook for attachment on racks. 15) Remove screws (3) and washers (2) ensuring lower attachment [4 screws if 2 pins (4) not installed]. 16) Remove the 2 pins (4) (if installed). AAAA Validity : Pre-MOD. 151 31 10-02Page 401 (BA) SEP 04 CAUTION : BEFORE CLEARING THE CONSOLE, MAKE SURE NO AIRCRAFT WIRING, HOSE OR OTHER ITEM CLOSE TO THE CONSOLE IS SECURED ON IT. 17) Clear the central console equipped with its racks from centering pin (5) while avoiding the windshield. 2. INSTALLATION OF CENTRAL CONSOLE (Figures 401, 401A and 401B) A. Tools and consumable materials - Cleaner (TB 05-920) - Cleaning agent (TB 11-003) - Tie-wraps - Clean, lint-free cloths B. Procedure 1) Check cooling hose(s) (7) for condition, replace if necessary. NOTE : If a new hose is installed, no traces of release grease (silicone) must remain inside the hose. Any traces must be removed with a dry cloth. 中国通航网 www.ga.cn 通航翻译 www.aviation.cn 本文链接地址：TB20 MAINTENANCE MANUAL 31 指示/记录系统 TB20飞机维护手册(8) |
