24H Motor Grader Caterpillar


Drawbar Ball and Socket End Play - Check/Adjust

Usage:

24H 7KK

检查

转动铲刀,使铲刀处在与机架成90度的位置。 将铲刀降至地面。 当球与支座的负载还很轻的时候,把机器慢慢向后移动。 把机器停下,并关上发动机。




图 1g00701353

牵引杆球头和球窝的位置

测量牵引杆球头 (3) 与牵引杆盖 (4) 之间轴向间隙。 间隙应为0.6 ± 0.2 mm (.02 ± .01 in)。 需要时,调整间隙。

调整

  1. 把牵引杆和转盘垫上支承。

  1. 把用于固定牵引杆和机架承梁的8只螺栓 (1) 卸下。把牵引杆往后移,或使机器往前动。



    图 2g00701356

  1. 从用于固定牵引杆和接头 (6) 在一起的盖 (4) 上拆下 2只带头螺钉 (2) 。 卸下接头。

  1. 需要时,取下垫片 (5) 或装上垫片 (5) 使间隙保持在 0.6 ± 0.2 mm (.02 ± .01 in)。

  1. 在盖 (4) 和接头 (6) 装上2只带头螺钉 (6) 。用手转动盖 (4) 。 支座应该在球头 (3) 上转动自如。



    图 3g00701357

  1. 检查用于使牵引杆球 (3) 固定在位的8只螺栓 (7) 的扭矩。 正确的扭矩应为900 ± 100 N·m (664 ± 74 lb ft)。

  1. 把牵引杆装在机架承梁上。 拧紧锁紧螺母 (1) 至扭矩为1800 ± 200 N·m (1328 ± 148 lb ft)。

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