345D, 349D and 349D2 Excavator Machine System Specifications Caterpillar


Fasteners

Usage:

345D L BYC



图 1g01435679

(1) 组装前,表面必须清洁,没有防护涂层。

注: 9S-3263 螺纹固定剂 涂抹在螺栓 (2) 螺纹上。

(2) 40 只螺栓的扭矩 ... 900 ± 100 N·m (660 ± 75 lb ft)




图 2g01435680

(3) 将 4C-5599 防粘合剂 涂抹到 4 个销上。

注: 4C-4030 螺纹锁固胶 涂抹在螺栓 (4) 的螺纹上。

(4) 20 只螺栓的扭矩 ... 900 ± 100 N·m (660 ± 75 lb ft)

(5) 2 个软管卡箍的扭矩 ... 4.5 ± 0.5 N·m (40 ± 4 lb in)




图 3g01435704

截面 D-D

(6) 组装前,表面必须清洁,且没有防护涂层。

(7) 组装到机架总成前,用 1U-8846 垫片密封胶 涂抹表面。

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