349F and 352F Excavators Machine System Specifications Caterpillar


Travel Counterbalance Valve

Usage:

352F-VG A9J



图 1g01435184

(1) 两颗螺塞的扭矩 ... 190 ± 20 N·m (140 ± 15 lb ft)

(2) 173-3524 弹簧

数量 ... 2
自由长度 ... 60 mm (2.4 in)
外径 ... 25 mm (1.0 in)

(3) 两颗螺塞的扭矩 ... 17 ± 2 N·m (13 ± 1 lb ft)

(4) 两颗螺塞的扭矩 ... 53 ± 3 N·m (39 ± 2 lb ft)




图 2g01435191

剖面 A-A

(5) 螺塞的扭矩 ... 34 ± 3 N·m (25 ± 2 lb ft)

(6) 116-3503 弹簧

自由长度 ... 18.5 mm (0.73 in)
外径 ... 6.5 mm (0.26 in)



图 3g01435186

剖面 B-B

(7) 173-3523 弹簧

数量 ... 2
自由长度 ... 71.5 mm (2.81 in)
外径 ... 34 mm (1.3 in)

(8) 两个先导安全阀总成的扭矩 ... 295 ± 5 N·m (220 ± 4 lb ft)

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