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16) If necessary, remove union (42). Discard the lockwasher. 17) Cut and discard the lockwire and disconnect springs (21) and extensions (20). 18) Remove all nuts (19), washers (13) and (18) and bolts (14) securing the bulkheads together. Discard nuts (19). 19) On R.H. rear bulkhead (9), cut the lockwire and remove screw (12), lockwasher (11), washer (10) (if installed) and spacer (16). Discard the lockwire and lockwasher (11). NOTE : Post-MOD. 105 or Kit OPT10 923200, washers (10), (28) and (51) are no longer installed. 20) On L.H. front bulkhead (54), remove screw (53), lockwasher (52) and washer (51) (if installed). Discard lockwasher (52). 21) Remove all screws (30), lockwashers (29), washers (28) (if installed) and spacers (26) securing the bublkheads to the power plant. Discard lockwashers (29). 22) Remove R.H. front bulkead (32), L.H. front bulkhead (54), R.H. side bulkhead (27), L.H. side bulkhead (50), R.H. rear bulkhead (9), L.H. rear bulkhead (47) and central rear bulkhead (17). Leave bracket (55) or (55A) in place. Post-MOD. 105 or Kit OPT10 923200 23) If necessary, remove and discard nut (37), remove washer (38), spacer (39), bolt (40) and spring (21) or extension (20). All 24) If necessary, remove strut (5). Strut with silent-block a) Remove nut (1), washer (2), strut (5), silent-block (4), washers (3) and (6) and nut (7). Discard nuts (1) and (7). Strut without silent-block a) Remove nut (7), washer (6), strut (5), washer (2) and bolt (8). Discard nut (7). 2. INSTALLATION OF ENGINE BULKHEADS (Figures 401 and 401A) A. Tools and consumable materials - Loctite (TB 08-043) - Loctite (TB 08-013C) - "CLIC" pliers Z00.N7675230202 - Torque wrench 0 to 88.5 lbf.in (0 to 10 N.m) - Stainless steel lockwire, dia. 0.032 in (0.8 mm) - Red paint ACM Validity : S / N 1 - 9999 71-10-02Page 402 (EA) JUN 02 B. Procedure 1) Check the engine bulkheads for : - absence of cracks, - elongation of attachment holes, - cooler support condition, - condition of seals and clamping springs (if installed), - condition of springs. - presence and condition of seals (36). 2) Install and secure the engine bulkheads to the power plant with spacers (26), screws (30), new lockwashers (29), and washers (28) (if installed). Torque - refer to 20-00-01. NOTE : Pre-MOD. 105, it is recommended to apply Kit OPT10 923200 "Engine bulkheads" 3) Coat screw (53) with Loctite (TB 08-013C) and install it with a new lockwasher (52) and, if installed, washer (51). 4) On R.H. rear bulkhead (9), install spacer (16), screw (12), new lockwasher (11) and washer (10) (if installed). Lockwire screw (12). 5) Secure the bulkheads together using bolts (14), washers (13) and (18) and new nuts (19). Post-MOD. 105 or Kit OPT10 923200 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(12) |
