VIEWS: 56 PAGES: 1 CATEGORY: Engineering & Energy POSTED ON: 6/3/2010
The DHR 6's design has been improved for maintenance and serviceability, allowing air inlet seals to be more easily replaced and providing inspection holes and hatch- es for checking possible oil leakage.
New Rotation Unit for Atlas Copco DTH/ITH Drill Rigs Anonymous Engineering and Mining Journal; Nov 2008; 209, 9; Docstoc pg. 135 Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.
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