定位螺钉又称为止头螺丝、定位螺丝。
喷油泵总成，应该把位置，如身体，如柱塞定位螺钉密封滚针，是否有遗漏。
Fuel injection pump assembly, should view the plunger positioning screw gasket roller pin, such as body positioning, such as whether the omission.
在内圈的一端，轴承通过偏心锁定环(图1.7)或者两个定位螺钉(图1.8)被固定在轴上。
At one end of the inner ring, the bearing is clamped to the shaft with an eccentric locking ring (Figure 1.7) or with two setscrews (Figure 1.8).
检查定位标是否对零线：将重锤放下观察定位标上刻线是否与零线重合，有偏差时可调整定位标两侧的螺钉。
Ensure that the height marker is on zero graduation: Fall down the cylinder to check, if any deviation, adjust the two screws of the height marker.
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