349F and 352F Excavators Machine System Specifications Caterpillar


Relief Valve (Negative Flow Control)

Usage:

352F-VG A9J



图 1g01572480

(1) 螺塞的扭矩 ... 195 ± 20 N·m (145 ± 15 lb ft)

(2) 根据需要,使用下面的垫片。 组装厚垫片,使其接触弹簧端部:

5M-9624 垫片
数量 ... 2
1 个垫片的厚度 ... 0.250 mm (0.0098 in)
4J-6806 垫片
数量 ... 1
垫片厚度 ... 1.22 mm (0.048 in)

(3) 122-7748 弹簧

在试验力下的长度 ... 54.45 mm (2.144 in)
试验力 ... 929.67 ± 46.50 N (209.0 ± 10.5 lb)
试验后的自由长度 ... 61.65 mm (2.427 in)
外径 ... 20.5 mm (0.81 in)

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