330C Forest Machine Hydraulic System Caterpillar


Pump Control (Negative Flow) - Adjust

Usage:

330C FM B1K



图 1g00846172

泵室

(29) 调整螺钉

(30) 锁紧螺母

(31) 调整螺钉

(32) 锁紧螺母

注: 两台泵均使用相同的程序。 使用锁紧螺母 (30) 和调整螺钉 (29) 来调整引导轮泵。 使用锁紧螺母 (32) 和调整螺钉 (31) 来调整驱动泵。

  1. 松开锁紧螺母 (30) 。

  1. 旋转调整螺钉 (29) ,直到反向流速被调整到正确的技术参数。

    注: 顺时针转动调整螺钉 (29) 和调整螺钉 (31) ,减少流速。 逆时针调整可提高流速。

    注: 在泵的第一阶段,当系统压力为 0 至 1820 kPa (0 至 265 psi) 时,将调整螺钉 (29) 和调整螺钉 (31) 转动1/4 圈将改变流速约 6.7 L/min (1.8 US gpm)。

    注: 在泵的第二阶段,当系统压力为 1820 至 3630 kPa (265 至 525 psi) 时,将调整螺钉 (29) 和调整螺钉 (31) 转动1/4 圈将改变流速约 4.4 L/min (1.2 US gpm)。

  1. 拧紧锁紧螺母 (30) 至扭矩为 12 ± 3 N·m (9 ± 2 lb ft)。

  1. 调整驱动泵。 使用锁紧螺母 (32) 和调整螺钉 (31) 代替锁紧螺母 (30) 和调整螺钉 (29) 调整驱动泵。

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