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A. Tools and consumable materials - Hoisting device - Padded support for frame C8 - Tie-wraps - Red paint - Loctite (TB 09-906) - Adhesive tape (TB 08-917) or protective tape (TB 05-938) B. Procedure 1) Prior to power plant installation, carry out the following operations : a) Check engine mount condition, surface condition, absence of cracks, elongation of attachment holes, weld condition. CAUTION : IF A SILENT-BLOCK IS DAMAGED, REPLACE THE 4 SILENT-BLOCKS AT THE SAME TIME. IT IS FORBIDDEN TO INSTALL DIFFERENT KINDS OF SILENT-BLOCKS TOGETHER. b) Check condition of silent-blocks and spacers (65), replace them if necessary. c) Check condition of the firewall, especially at the location of the engine mount fasteners. ABAA Validity : S / N 1 - 9999 71-00-00Page 403 (EA) JUN 02 d) Check condition of the hoses, replace them if necessary. NOTE 1 : If new hose(s) of the "Spiragaine" type is (are) installed, no traces of release grease (silicone) must remain inside the hose(s). Any traces must be removed with a dry cloth. NOTE 2 : When installing a new power plant or if a taper union has been replaced, it is necessary to install the new union(s) with Loctite (TB 09-906). CAUTION : AFTER INSTALLATION OF A NEW, REMANUFACTURED OR REPAIRED ENGINE, PERFORM A PARTICULAR INSPECTION AFTER 25 HOURS OF OPERATION. 2) Carefully position the engine, with a pulley block or a winch. CAUTION : OBSERVE THE SILENT-BLOCKS MOUNTING DIRECTION. UPPER REINFORCED SILENT-BLOCKS (63) MUST BE INSTALLED AT THE FRONT, LOWER REINFORCED SILENT-BLOCKS (63) MUST BE INSTALLED AT THE REAR. 3) Secure the engine to the engine mount with reinforced silent-blocks (63), spacers (65), silent-blocks (66), bolts (62), wide washers (67), washers (68) and nuts (69). 4) Torque according to "Specific cases" tightening procedure - refer to 20-00-01. 5) Install new cotter pins (70). 6) Remove the engine hoisting device and the padded support. 7) Connect the engine controls, in accordance with the initial routing : - throttle control (51) - refer to 76-10-01, - propeller governor control (41) - refer to 61-20-01, - mixture control (52) - refer to 76-10-03, - Alternate Air control (53) - refer to 76-10-02. S / N 1 - 822. 850 - 887. 889 - 947 8) Remove the blanking caps and connect mechanical tachometer control (28). S / N 1 - 9999 9) Remove the blanking caps and connect oil hoses (8) and (11), and, if installed, the hoses of the second oil cooler (option). 10) Remove the blanking caps and connect oil pressure hose (10) to union (9). 11) Remove the blanking caps and connect flow divider hose (2) to the engine bulkhead. If necessary, straighten mounting pad (4) (depending on version). 中国通航网 www.ga.cn 通航翻译 www.aviation.cn 本文链接地址：TB20 MAINTENANCE MANUAL 71 动力装置 TB20飞机维护手册(6) |
