The stacker is intended for cock forming of tailings cocks and represents a chamber composed of the sidewalls, a bottom, a roof and a valve. For fuller use of the capacity of the chamber the stacker is equipped with a mechanism of straw compaction — straw precompressor and a mechanism of chaff compaction — chaff precompressor.

The cock disharge device, the hydro-automatic system of the valve closing and bottom rise, a safety-discharging device and an electric indicator are meant for a stacker operating on semiautomatic and automatic modes.

The bottom represents a rotating platform, one part of which is a finger rake. Under the bottom the springs are fitted, which serve for the retention of the bottom upright at cock descent.

The stacker can be mounted on both «Niva» and «Yenisey-1200» and its modifications.

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