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English to Russian translations [PRO] Tech/Engineering - Mechanics / Mech Engineering
English term or phrase:A check with a straight edge or string line
The pump and motor couplings must be aligned in accordance with good engineering practice and axial or radial run out must be less than 0.05 mm total indicated reading on a clock gauge. With Vee-belt pulleys, the faces of the couplings must be exactly in line, and the shafts must be parallel to each other. A check with a straight edge or string line across the pulley faces should have no visible gap.