油泵中可变形膜片的泵膜通过膜片回位弹簧和膜片拉杆与摇臂相连。

Inside the pump, a flexible diaphragm connects to the rocker arm though a diaphragm spring, pull rod and link.

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本工装用电动油泵工作，结构轻便，可以1人操作，只需要点一下按钮，10分钟就可以装拆1个弹簧了。

This tool uses electric pump and has light structure. Only one personnel can operate by pressing a button to assemble and disassemble one spring within 10 minutes.

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通过修改调速特性曲线、改进喷油泵柱塞的结构和调整怠速弹簧长度消除了故障。

By modifying governor characteristic curve and the edges of helix and vertical groove in plunger, as well as adjusting the length of idling spring, the fault is eliminated.

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