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


Relief Valve (Crossover)

Usage:

345D L BYC



图 1g01526376

(1) 11 个管塞的扭矩 ... 34 ± 2 N·m (25 ± 1 lb ft)

(2) 三个管塞的扭矩 ... 77 ± 5 N·m (55 ± 4 lb ft)




图 2g01526381

剖面 A-A

(3) 096-1598 弹簧

在试验力下的长度 ... 15.5 mm (0.61 in)
试验力 ... 2.12 ± 0.12 N (0.5 ± 0.1 lb)
试验后的自由长度 ... 17 mm (0.7 in)
外径 ... 6.2 mm (0.24 in)

(4) 螺塞的扭矩 ... 200 ± 25 N·m (150 ± 18 lb ft)

(5) 242-6890 弹簧

在试验力下的长度 ... 38.000 mm (1.4961 in)
试验力 ... 94.201 ± 4.710 N (21.2 ± 1.1 lb)
试验后的自由长度 ... 59.500 mm (2.3425 in)
外径 ... 22.000 mm (0.8661 in)
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