Zhengzhou high tech Zone, China[email protected]
Dec 10, 20190183322 The fixed bolt of the adjusting seat is loose. 3 The adjusting seat has serious casting defects or welding defects. Solutions 1 Replace the adjustment seat with the original brackets and bracket pads produced by the main engine manufacturer. 2 Replace the adjusting seat and tighten the adjusting bolt. 3 Replace the adjusting seat.
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