770G and 772G Off-Highway Truck Steering System Caterpillar


Pump Control Valve (Pressure, Flow Compensator)

Usage:

770G ECM



图 1g02836258

表 1
368-1339 泵控制阀总成 的技术规格    
项目     数量     零件     技术规格说明    
A     2     拧紧至
12 N·m (106 lb in)。    
B     2     拧紧至
21 N·m (186 lb in)。    
C     1     边际压力调整螺钉每圈
1600 kPa (232 psi)。
顺时针转动增大。
逆时针转动减小。    
D     1     切断压力调整螺钉每圈
5000 kPa725 (psi)。
顺时针转动增大。
逆时针转动减小。    
-     -     切断压力
21200 ± 350 kPa (30750 ± 51 psi)
边际压力
3000 ± 100 kPa (435 ± 15 psi)    

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