DW/TXS Construction Equipment(Beijing) Co.,Ltd.


	Drilling rig maintenance:	2009-6-9
	Faults of no water or less water coming out of the pump or weak power and their troubleshooting:	2009-6-9
	Pump failure and its troubleshooting:	2009-6-9
	Faults of no fast gear function of rotation and pull-back and their troubleshooting:	2009-6-9
	Week or low speed pullback faults and their troubleshooting	2009-6-3
	Faults of weakness, stop or low speed of the power head and their troubleshooting:	2009-6-3
	Start-up fault of the diesel engine and its troubleshooting:	2009-6-3
	Attentions in the use of hydraulic oil	2009-6-9
	Use and maintenance of the caterpillar chassis:	2009-6-9
	Precautions for drilling operations	2009-6-9

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