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6) Position door handles to "CLOSED". 7) Screw adjustment screw (5) until screw head is flush with hook (4). CAUTION : EXERCISE CARE TO AVOID DAMAGING THE HOOKS LOCATED AT THE BOTTOM OF THE DOOR. 8) Install access door (22) [23] and install adjustment shims (18). 9) Install washers (20) and screws (21). NOTE : Washers (20) have three different shapes to achieve door adjustment. 10) Install shim (30) if installed, the fitting and nuts (12). Tighten - refer to 20-00-01. Install protective caps (11). 11) Make sure access door (22) [23] is flush with upper fuselage and check that the clearance between the upper fuselage and the door is at least 0.12 in (3 mm). Adjust if necessary - refer to Paragraph 3. 12) Open access door (22) [23], secure gas strut (8) with pin (10) and washer (9). Install the upholstery panel of access door (22) [23]. 13) Make sure all the tools and materials are removed and the work area is clean and free from debris. 14) Adjust the closing hooks - refer to Paragraph 3. 15) Touch up paint as required - refer to 20-00-03. 16) If the door has been replaced, a new upper fuselage panel seal must be installed. 17) Lubricate access door (22) [23] - refer to 12-20-01. 3. ADJUSTMENT / TEST - ACCESS DOOR (Figure 201) A. Tools and consumable materials - Loctite (TB 08-013C) B. Adjustment of access door 1) The adjustment of access door (22) [23] height is achieved by removing or adding adjustment shims (18). 2) The adjustment of access door (22) [23] clearance must be carried out by replacing washers (20). 3) The adjustment of access door (22) [23] tension must be carried out by means of screws (3) by adding or removing washers (1). 4) The adjustment of hook (4) is achieved via adjustment screw (5). NOTE : The hook centerline must be at equal distances from stop (26) and ring (24). a) The hook must be systematically re-adjusted each time the tension of access door (22) [23] is adjusted. b) If adjustment screw (5) is not self-locked (polyamide plastic deposit), safety it with Loctite (TB 08-013C) after each adjustment. 4. INSPECTION / CHECK - ACCESS DOOR (Figure 202) A. Tools and consumable materials None B. Inspection / check of stop adjustment 1) If the door bottom, when the door is locked, is not misaligned with the cabin spar, adjustment is correct. Do not modify. 2) If a deviation greater than 0.06 in (1.5 mm) (external deviation) or greater than 0.02 in (0.5 mm) (internal deviation) is found, proceed as follows : a) Loosen the screws securing the stop. b) Move the stop towards the aircraft centerline until full alignment is obtained. c) Tighten the screws. NOTE : The deviation value must be measured at points A, B, ...I. ABAB Validity : S / N 1 - 9999 Post-MOD. 151 中国通航网 www.ga.cn 通航翻译 www.aviation.cn 本文链接地址：TB20 MAINTENANCE MANUAL 52 门 TB20飞机维护手册(7) |
