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- Lintfree clean cloths - Sealant (TB 09-916) - Petrolatum (TB 04-012) - Red paint - Mastinox (TB 05-002A) - Siccative oil (TB 05-914) B. Procedure NOTE : In case of repair, painting or addition of an option to the elevator, check elevator balancing - refer to 51-60-00. 1) Clean the following parts with a lintfree clean cloth moistened with cleaning agent (TB 11-003), then check the condition of : - the elevator, - the hinges, - the levers, - the elevator balancing boom and weight, - the control rods, - the supports and ball joints, - the bonding strap, if installed. 2) If removed, install the balancing weight (4) : a) Apply mastinox (TB 05-002A) to the end of balancing boom tube and to the seating face of balancing weight (4). b) Install balancing weight (4) with bolts (5), washers (3) and new nuts (2). 3) If removed, install hinge fittings (11) and (13) : a) Apply a very thin layer of petrolatum (TB 04-012) to the seating face of hinge fittings (11) and (13). b) Apply sealant (TB 09-916) to the seating face of hinge fittings (11) and (13) and bolts (6) - refer to 20-00-09. c) Position hinge fittings (11) and (13) on the elevator and secure them with washers (7) and bolts (6). Torque according to "Specific cases" tightening procedure - refer to 20-00-01. d) Wipe off excess sealant with a lintfree clean cloth moistened with cleaning agent (TB 11-003). e) Mark bolts (6) with a mark of red paint. 4) If removed, install the elevator tab - refer to 55-20-02. AAAA Validity : S / N 1 - 9999 55-20-01(BA) Page 402 SEP 04 5) Lubricate the control and the elevator - refer to 12-21-02 and 12-21-03. 6) Protect the interior of the balancing boom tube with siccative oil (TB 05-914) - refer to 20-00-16. CAUTION : WHEN INSTALLING THE ELEVATOR, TAKE ALL NECESSARY PRECAUTIONS TO AVOID DAMAGING THE PITCH AND TAB CONTROLS, THEIR SUPPORTS AND FRAME C9 WITH BALANCING WEIGHT (4). 7) Position the elevator into support assemblies (1) and (21). 8) Hold the elevator, install bolts (12), recessed washers (10) and nuts (9). Torque - refer to 20-00-01. 9) Lock with new cotter pins (8). 10) If installed, secure the bonding strap. Perform electrical bonding procedure - refer to 20-00-12. 11) Install spacer (27) in its housing. 12) Secure tab rod (26) to lever (24) with bolt (25), washer (23) and nut (22). 13) Lock with a new cotter pin (20). 14) Secure input rod (19) to levers (15) with bolt (14), washer (16) and nut (17). 15) Lock with a new cotter pin (18). 16) Make sure all the tools and materials are removed and the work area is clean and free from debris. 17) Install tail cone 222 - refer to 53-20-04. 中国通航网 www.ga.cn 通航翻译 www.aviation.cn 本文链接地址：TB20 MAINTENANCE MANUAL 55 安定面 TB20飞机维护手册(5) |
