793D Off-Highway Truck Hydraulic System Caterpillar


Relief Valve (Front Brake Oil Cooler)

Usage:

793D FDB



图 1g00103174

测试信息:

测试扭矩 ... 160 ± 30 N·m (118 ± 22 lb ft)
压力设定值 ... 790 ± 20 kPa (115 ± 3 psi)
流量 ... 38 ± 4 L/min (10 ± 1 US gpm)

(1) 8B-4624 垫片

数量 ... 7
厚度 ... 0.81 mm (.032 in)

注: 请勿调整这里的垫片数量。

(2) 6J-3380 弹簧

在试验力下的长度 ... 60.5 mm (2.38 in)
试验力 ... 654 ± 52 N (147.0 ± 11.6 lb)
试验后的自由长度 ... 86.6 mm (3.41 in)
外径 ... 35.1 mm (1.38 in)

(3) 8B-4624 垫片

数量 ... 8
厚度 ... 0.81 mm (.032 in)

注: 在此调整垫片数量。

注: 请参阅空气系统和制动器测试与调整安全阀(制动器机油冷却, "器)"以便确定要使用的垫片数。

(4) 螺塞扭矩 ... 105 ± 20 N·m (77 ± 15 lb ft)

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