FIELD: machine building.
SUBSTANCE: proposed device comprises heating unit arranged in oil tank, oil pump with its inlet branch pipe connected via intake pipeline with oil tank, discharge pipeline with its outlet located above oil level in oil tank. Aforesaid heating unit is arranged in tight casing with its inner chamber communicated wit delivery pipeline connected with both oil pump discharge branch pipe and discharge pipeline.
EFFECT: higher efficiency, reduced labor input in maintenance and repair.
5 cl, 1 dwg
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