986H Wheel Loader Machine Systems Caterpillar


Service Brake - Check

Usage:

986H 986

------ WARNING! ------

在机器移动时,测试工作制动器,会造成人员伤害。

测试过程中,如果机器开始移动,要立即把发动机速度降低,并把停泊制动器合上。



注意

如果机器在测试行车制动器时移动,检查行车制动器部件有无磨损或损坏。 机器在投入工作前,根据需要维修或更换磨损或损坏的停车制动器。


技术规格

表 1
行车制动器 - 检查    
日期     设备识别号    
测试条件     期望结果     实际结果    
变速箱方向和速度操纵杆     "第二档倒档"     机器不移动        
发动机转速     "高怠速 (2340 RPM)" (1)    
( 1 ) 高怠速运行发动机的时间不要超过 5 秒。

简介

应采用此程序来确定行车制动器是否正常工作。 本测试不是为了测定制动器的最大制动器夹持力。

检查准备工作

  1. 在干燥和平整的地面上测试行车制动器。

  1. 检查机器周边区域。 确保机器周围没有人员和障碍物。



    图 1g03346347

    转向机架锁处于存储位置

  1. 确保转向机架锁位于存储的位置。

检查程序

  1. 测试行车制动器前紧好座椅安全带。

  1. 起动发动机并稍微升起铲斗。

  1. 接合行车制动器。

  1. 将变速箱方向和速度操纵杆置于第二档倒档位置。

  1. 松开停车制动器。

  1. 逐渐增加发动机转速至高怠速 (2340 RPM)。

    机器不应移动。

    注: 高怠速运行发动机的时间不要超过 5 秒。

  1. 降低发动机转速到低怠速。

  1. 将变速箱方向和速度操纵杆置于 NEUTRAL(空档)位置。

  1. 接合停车制动器。

  1. 将铲斗降至地面。

  1. 停止发动机。


注意

如果机器在测试行车制动器时移动,检查行车制动器部件有无磨损或损坏。 机器在投入工作前,根据需要维修或更换磨损或损坏的停车制动器。


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