| 1. Remove the oil pump. |
| 2. Unscrew two bolts and uncover the oil pump with a maslopriyemny pipe. Remove laying of a cover. |
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| 3. Take the leader (the drawing at the left) and conducted gear wheels (the drawing on the right) the oil pump. |
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4. Unscrew the big carving stopper located sideways the oil pump and take a sealing ring, a spring and a ball of the safety valve.
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| 5. Clear all details of the oil pump in kerosene and dry up them. |
| 6. Check a condition of details of the oil pump for existence of wear or damages and in the presence of them replace the oil pump. |
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7. Using a probe edge, measure a gap between the conducted and conducting gear wheels of the oil pump. Using a metal ruler and the probe, check an axial gap between the case of the oil pump and gear wheels.
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| 8. If all details of the oil pump in good shape, collect the safety valve of pressure and establish gear wheels of the oil pump. Fill the pump with oil, establish a pump cover with new laying and fix it by bolts, having tightened them the required moment. |
