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


Check Valve - Auxiliary Circuit

Usage:

345D L BYC



图 1g01526788

(1) 123-2537 弹簧

在试验力下的长度 ... 33 mm (1.3 in)
试验力 ... 9.80 ± 0.49 N (2.2 ± 0.1 lb)
试验后的自由长度 ... 53 mm (2.1 in)
外径 ... 26.5 mm (1.04 in)

(2) 在密封的地方,用润滑剂将 O 形密封圈孔稍加润滑。

(3) 在要密封的 2 个支撑环孔上稍涂润滑剂。

注: 拧紧前,将 2P-9063 液压油 涂敷在接头 (4) 的螺纹上。

(4) 接头的扭矩 ... 400 ± 30 N·m (300 ± 22 lb ft)

(5) 239-9040 弹簧

在试验力下的长度 ... 30.100 mm (1.1850 in)
试验力 ... 11.423 ± 0.571 N (2.6 ± 0.1 lb)
试验后的自由长度 ... 39.000 mm (1.5354 in)
外径 ... 22.800 mm (0.8976 in)

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