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WK-4

WK-4

WK-4

WK-4

1

Lubrication troubles of rotation slowdown plane vertical axis in WK-4 excavator

WK-4 型挖掘机回转减速机立轴润滑故障处理

2

On technical improvements of DC electric control system for WK-4 electric shovel

WK-4 型电铲直流电控系统技术改进

3

Improvement of electric drive system of WK-4 shovel used in open-pit mine

露天矿 WK-4 型电铲电气传动系统改造

4

Fault processing of WK-4 excavator bucket tooth abnormal abrasion

WK-4 型电铲斗齿非正常磨损故障处理

5

Site Repairing of the Bearing of Lifting Drum of WK-4 type Shovel

WK-4 型电铲提升卷筒轴承的现场维修

6

The Repairing of Bearing Cover and Chock of Hoisting Drum of WK-4 Type Shovel

WK-4 型电铲提升卷筒轴承座及轴承盖的修复

7

CaUSe and PreCaUtiOnS Of Crawler Stand Breaks Of Type WK-4 ElectricShowel

WK 一4 型电铲履形座断裂原因及防范措施

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