3500 Generator Sets with Dynamic Gas Blending Caterpillar


Air Shutoff - Test

Usage:

3512B 4AW
为了确保运转正常,必须测试并检查空气关断阀。

检查空气关断阀的下列部件是否产生可能阻碍运转的损坏:壳体, 手动释放旋钮, 供油管 和 开关。 为了确保关断阀正常起作用,在检查空气关断阀后,使用 Caterpillar 电子技师(ET)触发空气关断阀。

  1. 起动发动机并在低怠速下运转。

  1. 使用 Cat ET 超越空气关断参数,并触发空气关断阀。 Cat ET 是首选的方法。 如果没有 Cat ET,可以使用紧急停机按钮。

  1. 检查空气关断阀,以便确保空气关断阀已触发。 空气关断阀上的指示器应向下指向关闭位置。 如果关断阀未触发,参见故障诊断与排除指南。

    注: 不要与蝶形阀同时使用。

  1. 使用一把 1in 扳手顺时针方向转动启动轴 180 度来使空气关断阀复位。 确保箭头向上指向开启位置。

  1. 重复步骤 1 至 4,以便共取得两次成功的测试。

注: 只有在发动机成功地通过了上述全部步骤后,测试才算完成。 将空气关断阀复位到开启位置,并清洁可能出现的溢出的油液。

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