303C CR, 303.5C CR, 304C CR and 305C CR Mini Hydraulic Excavators Caterpillar


Work Tool Control

Usage:

303C CR BXT

主要辅助液压回路




图 1g01194386

连通斗杆有两个辅助管路。

位于斗杆右侧的管路 (1) 为进油管。位于斗杆右侧的管路 (2) 为回油管。

辅助管路配备连接器总成。在连接作业机具前,擦净所有连接器总成。

辅助管路必须释放压力,以便将连接器总成连接到作业机具上。通过下列步骤释放辅助液压管路的压力:

  1. 在蓄能器充压和液压锁定操纵杆降下时,将发动机起动钥匙转到接通(ON)位置。 不要起动发动机。

  1. 在两个方向上操作辅助控制装置。

  1. 将发动机起动开关钥匙转至 断开(OFF)位置。

液压管路仅提供单向液压油流。如果机器配备一个油流控制阀,双向液压油流是可能的。请参阅"作业机具油流模式控制装置"。

辅助控制装置




图 2g01214059

类型A




图 3g01194528

类型B

右操纵杆上的开关 (3) 为辅助控制装置。

为向连接到斗杆右侧的管路加压,向上推开关 (3) 。

为向连接到斗杆左侧的管路加压,向下推开关 (3) 。

次级辅助液压回路




图 4g01194387



图 5g01250399

位于斗杆右侧的管路 (4) 为进油管。位于斗杆右侧的管路 (5) 为回油管。

次级辅助液压开关 (6) 用来分配从回转回路到辅助管路的油流。该开关位于驾驶室内。向左拉红色按钮并推下开关的右侧,以启动次级辅助液压回路。按开关的左侧,可以断开次级辅助液压回路。

次级辅助控制装置

左操纵杆上的开关 (7) 为次级辅助控制装置。




图 6g01214060

类型A

为向连接到斗杆右侧的管路加压,向右推开关 (7) 。

为向连接到斗杆左侧的管路加压,向左推开关 (7) 。




图 7g01194531

类型B

为向连接到斗杆右侧的管路加压,向上推开关 (7) 。

为向连接到斗杆左侧的管路加压,向下推开关 (7) 。

作业机具油流模式控制装置




图 8g01194449

作业机具油流模式控制装置的阀位于机器右侧。打开右侧检视盖,以检视作业机具油流模式控制装置的阀。


单流向 (8) - 当需要单流向时,将操纵杆 (10) 移到这一位置。


双流向 (9) - 当需要双流向时,将操纵杆 (10) 移到这一位置。

液压锤控制




图 9g01214069

右操纵杆

类型A




图 10g01194525

右操纵杆

类型B

液压锤接通(ON) - 向上推开关以启动液压锤。

液压锤停止(OFF) - 松开开关使液压锤停止工作。

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