Hi-Target Surveying Instrument Co.Ltd

there are several procedures to do in summary.
1.take a picture of the current condition of the instrument in case of forgetting the position of each part.
2.Take out the cover and then see laser plummet.
3.Replace the laser plummet.
4.Fix the screws with glue to fasten them.Then assemble the instruments together.detailed operation procedures please refer to relevant file.