- Country of manufactureUkraine
Pump Assembly-C12-B3 SAT on the d-65 engine tractors is manufactured in two versions: with odnoruchejnym pulley and with dvuhruchejnym. On the purpose and principle of action data pumps are absolutely identical. Pump Assembly-C12-B3 SAT should be replaced or repair when it encounters on its case. Replacement may be worn roller bearings and seals, as well as the cuffs. If axial displacement in the roller bearings is more than 0.6 mm, the roller must be replaced. Ball bearings, it is necessary to lubricate the pump every 60 hours of work, with the bearing cavity is filled with grease up to its appearance from the control hole. Mechanical seal impeller must be checked on its technical condition. Tekstolitovaja washer seals could be traces of wear and tear and doughnut risks depth does not exceed 0.5 mm thickness of the washers should not be less than 2.5 mm. The cuff should be no across-the-Board breakouts. When assembling the cuff pumps post-repair establishes direction cuffs with springs in side bearings. Hub nut tightening torque should be 16-19 H-m. Assembled roller pump must freely, without jamming the impeller turned hand. In the cavity of the pump housing on the roller napressovana and additionally fastened screw impeller, fixed anti-twist flattened surfaces. The platen rotates in two ball bearings, the working cavity which is populated through the Lubricator grease. The impellor is set mechanical seal that prevents the working fluid in the bearings. Part of the liquid that percolates through the seal, stands out from the inner part of the pump through the drain hole. The seal consists of tekstolitovoj washers, springs and cuffs. Advanced cuff sealed ammunition. Possible wear of the mechanical seal is determined by regular leaks water from the drain hole. The fault eliminated by replacing the seals. In addition, the casing of the pump during operation, you may experience chips and cracks. If they are small, can be repaired by welding or epoxy resins; If the defects are large enough, the pump housing must be replaced with a new one.
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Water pump UMZ engine d-65 (from D-C12-B3 sat)
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