Main data of the product. Percussion-rotary mechanical unit (hereinafter referred to as УМУВ) (Drawing 1) is used for cleaning of well bottom from mechanical impurities, small metal objects and wellbottom zone. 

Climatic version of the unit – Cold Temperate Climate, category of placement in case of operation I under GOST (State Standard) 15150-69. 

Main technical information.

Main technical characteristics of УМУВ are given in the table.