R1600G Load Haul Dump Steering System Caterpillar


Steering Control Valve - Adjust

Usage:

R1600G 9PP
注: 转向控制阀的调整应仅在完成以下参考中的步骤后执行。

参考有关检查转向时间的正确步骤,参阅系统操作、测试和调整, "转向时间 - 检查"。




图 1g00919664

转向控制阀

(1) 转向控制阀

(2) 流量平衡垫片

(3) 油缸流量垫片

(4) 端盖

转向时间调整

  1. 将端盖 (4) 从转向控制阀 (1) 上拆下。

  1. 安装流量平衡垫片 (2) 以便缩短右转向时间(转向更快)和延长左转向时间(转向更慢)。 若拆下流量平衡垫片,结果相反。

  1. 流量平衡垫片 (2) 有两种厚度。 5J-4776 垫片 的厚度为 0.127 mm (0.0050 in)。 使用两个 5J-4776 垫片 可将高怠速的转向时间改变 0.5 秒。 4J-8224 垫片 的厚度为 0.254 mm (0.010 in)。 使用两个 4J-8224 垫片 可将高怠速时的转向时间改变 0.1 秒。

  1. 在转向控制阀上安装端盖。

示例:检查转向时间后发现右转向时间比左转向时间长 0.4 秒。 必须添加流量平衡垫片 (2) 减小左右转向的时间差异。

4J-8224 垫片 的厚度为 1.2 mm (0.0472 in)。 安装四片 4J-8224 垫片 可将右转向的时间缩短 0.2 秒并将左转向的时间延长 0.2 秒。 这将使左转向和右转向的时间基本一致。

油缸流量调节

(左和右)的转向时间均应为 3.2 ± 0.3 秒。 若不是,必须安装或拆卸油缸流量垫片 (3) 。

  1. 将端盖从转向控制阀 (1) 上拆下。

  1. 安装垫片 (3) 缩短双向转向时间。 若需延长转向时间,拆下垫片。

    使用两个 4J-6806 垫片 可将高怠速时的转向时间改变 0.1 秒。

  1. 在转向控制阀上安装端盖。

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